Alert archive / Montana / Winter Storm Warnings in 2008
Winter Storm Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Jan 18, 2008, 2:19 PM MST for 10 counties in Montana. It took effect at Jan 19, 2008, 11:00 AM MST. It was in force for 18 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 18, 2008, 2:19 PM MST (21:19 UTC)
- In effect from
- Jan 19, 2008, 11:00 AM MST
- Expired
- Jan 20, 2008, 4:58 AM MST
- In force
- 18 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 13 km from the middle of the area, began a volume at 21:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 20, 2:00 AM MST | BLIZZARD | 2 E Missoula, MT | INTERSTATE 90 EAST OF MISSOULA WAS CLOSED DOWN TO EMERGENCY TRAVEL ONLY DUE TO BLOWING SNOW/WHITE OUT CONDITIONS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 9.3 hours before the alert went out and 193 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 829 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KMSO 182119 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 219 PM MST FRI JAN 18 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM THE GULF OF ALASKA WILL SPREAD INCREASED MOISTURE AND ACCUMULATING SNOW TO AREAS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO SATURDAY INTO SUNDAY. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE SATURDAY NIGHT INTO SUNDAY CREATING AREAS OF WHITEOUT CONDITIONS WITH STRONG GUSTY WINDS. STRONG EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY INTO SUNDAY. MTZ002-190530- /O.UPG.KMSO.WS.A.0004.080119T1800Z-080120T1200Z/ /O.NEW.KMSO.WS.W.0003.080119T1800Z-080120T1200Z/ WEST GLACIER REGION- 219 PM MST FRI JAN 18 2008 ...WINTER STORM WARNING IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST SUNDAY... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOWFALL WILL BECOME MODERATE MIDDAY SATURDAY ACROSS THE WEST GLACIER REGION AND INTENSIFY SATURDAY EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL DEVELOP OVERNIGHT SATURDAY...CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 10 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-004-190530- /O.NEW.KMSO.SB.Y.0004.080119T1200Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 219 PM MST FRI JAN 18 2008 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 5 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 5 AM SATURDAY TO 5 AM MST SUNDAY. LIGHT SNOWFALL TONIGHT WILL BECOME MODERATE SATURDAY AND SATURDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT SATURDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-190530- /O.NEW.KMSO.SN.Y.0006.080119T1200Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 219 PM MST FRI JAN 18 2008 /119 PM PST FRI JAN 18 2008/ ...SNOW ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/ SATURDAY TO 5 AM MST /4 AM PST/ SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 5 AM MST /4 AM PST/ SATURDAY TO 5 AM MST /4 AM PST/ SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY. LIGHT SNOWFALL SATURDAY MORNING WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS BY AFTERNOON. WIDESPREAD MODERATE SNOW WILL CONTINUE OVER THE ENTIRE AREA THROUGH EARLY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ007-043-190530- /O.NEW.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 219 PM MST FRI JAN 18 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY. LIGHT SNOWFALL SATURDAY AFTERNOON WILL BECOME MODERATE SATURDAY EVENING INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND LOCAL WHITEOUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES OVER THE MOUNTAINS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...WIND...AND DANGEROUS WIND CHILL VALUES CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-190530- /O.NEW.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 219 PM MST FRI JAN 18 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY FOR THE NORTHERN BITTERROOT AND MISSOULA VALLEYS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY FOR THE NORTHERN BITTERROOT AND MISSOULA VALLEYS. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS ON THE BENCHES. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. HELLGATE CANYON COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. LIGHT SNOWFALL SATURDAY AFTERNOON WILL BECOME MODERATE SATURDAY EVENING INTO SUNDAY MORNING FROM NEAR LOLO THROUGH THE MISSOULA VALLEY AS AN ARCTIC FRONT APPROACHES AND MOVES THROUGH THE AREA. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...WIND...AND DANGEROUS WIND CHILL VALUES WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-190530- /O.NEW.KMSO.WS.A.0005.080119T1800Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 219 PM MST FRI JAN 18 2008 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH LATE SATURDAY NIGHT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH LATE SATURDAY NIGHT. THE COMBINATION OF MODERATE SNOWFALL AND STRONG GUSTY WINDS WILL CREATE THE POTENTIAL FOR DANGEROUS WINTER WEATHER CONDITIONS SATURDAY AND SATURDAY NIGHT. LIGHT SNOWFALL SATURDAY MORNING WILL BECOME MODERATE BY AFTERNOON...LASTING THROUGH SATURDAY NIGHT. STRONG GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH ARE EXPECTED TO DEVELOP SATURDAY EVENING. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY. THE POTENTIAL OF LOCAL WHITEOUT CONDITIONS WILL EXIST SATURDAY NIGHT. IN ADDITION...WIND CHILL VALUES ARE EXPECTED TO LOWER TO ZERO TO 10 DEGREES BELOW ZERO LATE SATURDAY NIGHT. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
11 follow-up statements
000 WWUS45 KMSO 190416 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 916 PM MST FRI JAN 18 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM THE GULF OF ALASKA WILL SPREAD INCREASED MOISTURE AND ACCUMULATING SNOW TO AREAS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO SATURDAY INTO SUNDAY. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE SATURDAY NIGHT INTO SUNDAY CREATING AREAS OF WHITEOUT CONDITIONS DUE TO STRONG GUSTY WINDS. THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY LASTING INTO SUNDAY. MTZ002-191200- /O.CON.KMSO.WS.W.0003.080119T1800Z-080120T1200Z/ WEST GLACIER REGION- 916 PM MST FRI JAN 18 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST SUNDAY. SNOWFALL WILL BECOME MODERATE MIDDAY SATURDAY ACROSS THE WEST GLACIER REGION AND INTENSIFY SATURDAY EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL DEVELOP OVERNIGHT SATURDAY...CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 10 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-004-191200- /O.CON.KMSO.SB.Y.0004.080119T1200Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 916 PM MST FRI JAN 18 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO 5 AM MST SUNDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO 5 AM MST SUNDAY. LIGHT SNOWFALL TONIGHT WILL BECOME MODERATE SATURDAY AND SATURDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT SATURDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-191200- /O.CON.KMSO.SN.Y.0006.080119T1200Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 916 PM MST FRI JAN 18 2008 /816 PM PST FRI JAN 18 2008/ ...SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ SATURDAY TO 5 AM MST /4 AM PST/ SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ SATURDAY TO 5 AM MST /4 AM PST/ SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY. LIGHT SNOWFALL SATURDAY MORNING WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS BY AFTERNOON. WIDESPREAD MODERATE SNOW WILL CONTINUE OVER THE ENTIRE AREA THROUGH EARLY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ007-043-191200- /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 916 PM MST FRI JAN 18 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY. LIGHT SNOWFALL SATURDAY AFTERNOON WILL BECOME MODERATE SATURDAY EVENING INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND LOCAL WHITEOUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES OVER THE MOUNTAINS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...WIND...AND DANGEROUS WIND CHILL VALUES CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-191200- /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 916 PM MST FRI JAN 18 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS ON THE BENCHES. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. HELLGATE CANYON COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. LIGHT SNOWFALL SATURDAY AFTERNOON WILL BECOME MODERATE SATURDAY EVENING INTO SUNDAY MORNING FROM NEAR LOLO THROUGH THE MISSOULA VALLEY AS AN ARCTIC FRONT APPROACHES AND MOVES THROUGH THE AREA. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...WIND...AND DANGEROUS WIND CHILL VALUES WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-191200- /O.EXT.KMSO.WS.A.0005.080120T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 916 PM MST FRI JAN 18 2008 ...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... THE WINTER STORM WATCH IS NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT. THE COMBINATION OF MODERATE SNOWFALL AND STRONG GUSTY WINDS WILL CREATE THE POTENTIAL FOR DANGEROUS WINTER WEATHER CONDITIONS DEVELOPING THROUGHOUT THE DAY SATURDAY AND PERSISTING OVERNIGHT INTO SUNDAY MORNING. LIGHT SNOWFALL SATURDAY MORNING WILL BECOME MODERATE BY AFTERNOON...LASTING THROUGH SATURDAY NIGHT. STRONG GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH ARE EXPECTED TO DEVELOP SATURDAY EVENING. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY. THE POTENTIAL OF LOCAL WHITEOUT CONDITIONS WILL EXIST SATURDAY NIGHT. IN ADDITION...WIND CHILL VALUES ARE EXPECTED TO LOWER TO ZERO TO 10 DEGREES BELOW ZERO LATE SATURDAY NIGHT. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 190701 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1201 AM MST SAT JAN 19 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM THE GULF OF ALASKA WILL SPREAD INCREASED MOISTURE AND ACCUMULATING SNOW TO AREAS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO SATURDAY INTO SUNDAY. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE SATURDAY NIGHT INTO SUNDAY CREATING AREAS OF WHITEOUT CONDITIONS DUE TO STRONG GUSTY WINDS. THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY LASTING INTO SUNDAY. MTZ002-191315- /O.CON.KMSO.WS.W.0003.080119T1800Z-080120T1200Z/ WEST GLACIER REGION- 1201 AM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SATURDAY TO 5 AM MST SUNDAY. SNOWFALL WILL BECOME MODERATE MIDDAY SATURDAY ACROSS THE WEST GLACIER REGION AND INTENSIFY SATURDAY EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL DEVELOP OVERNIGHT SATURDAY...CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 10 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ007-043-191315- /O.EXB.KMSO.SN.Y.0006.080119T0701Z-080120T0000Z/ /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 1201 AM MST SAT JAN 19 2008 ...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST SATURDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST SATURDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY. LIGHT TO OCCASIONALLY MODERATE SNOWFALL WILL CONTINUE OVERNIGHT WITH 2 TO 4 INCHES OF ACCUMULATION EXPECTED BY SATURDAY AFTERNOON. SNOWFALL WILL BECOME MORE INTENSE SATURDAY EVENING INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND LOCAL WHITEOUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES OVER THE MOUNTAINS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-191315- /O.EXB.KMSO.SN.Y.0006.080119T0701Z-080120T0000Z/ /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 1201 AM MST SAT JAN 19 2008 ...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST SATURDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST SATURDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST SUNDAY. LIGHT TO OCCASIONALLY MODERATE SNOWFALL WILL CONTINUE OVERNIGHT WITH 2 TO 4 INCHES OF ACCUMULATION EXPECTED BY SATURDAY AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS ON THE VALLEY BENCHES. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. HELLGATE CANYON COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-191315- /O.EXB.KMSO.SN.Y.0006.080119T0701Z-080120T0000Z/ /O.CON.KMSO.WS.A.0005.080120T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 1201 AM MST SAT JAN 19 2008 ...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST SATURDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST SATURDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT. LIGHT TO OCCASIONALLY MODERATE SNOWFALL WILL CONTINUE OVERNIGHT WITH 2 TO 4 INCHES ACCUMULATION EXPECTED BY SATURDAY AFTERNOON. THEN SATURDAY EVENING THE COMBINATION OF INTENSIFYING SNOWFALL AND STRONG GUSTY WINDS WILL CREATE THE POTENTIAL FOR DANGEROUS WINTER WEATHER CONDITIONS DEVELOPING AND PERSISTING OVERNIGHT INTO SUNDAY MORNING. LIGHT SNOWFALL SATURDAY MORNING WILL BECOME MODERATE BY AFTERNOON...LASTING THROUGH SATURDAY NIGHT. STRONG GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH ARE EXPECTED TO DEVELOP SATURDAY EVENING. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY. THE POTENTIAL OF LOCAL WHITEOUT CONDITIONS WILL EXIST SATURDAY NIGHT. IN ADDITION...WIND CHILL VALUES ARE EXPECTED TO LOWER TO ZERO TO 10 DEGREES BELOW ZERO LATE SATURDAY NIGHT. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ001-004-191315- /O.CON.KMSO.SB.Y.0004.080119T1200Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 1201 AM MST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO 5 AM MST SUNDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO 5 AM MST SUNDAY. LIGHT SNOWFALL TONIGHT WILL BECOME MODERATE SATURDAY AND SATURDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT SATURDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-191315- /O.CON.KMSO.SN.Y.0006.080119T1200Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1201 AM MST SAT JAN 19 2008 /1101 PM PST FRI JAN 18 2008/ ...SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ SATURDAY TO 5 AM MST /4 AM PST/ SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ SATURDAY TO 5 AM MST /4 AM PST/ SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY. LIGHT SNOWFALL SATURDAY MORNING WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS BY AFTERNOON. WIDESPREAD MODERATE SNOW WILL CONTINUE OVER THE ENTIRE AREA THROUGH EARLY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 191158 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 458 AM MST SAT JAN 19 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM THE GULF OF ALASKA WILL SPREAD MOISTURE AND ACCUMULATING SNOW TO AREAS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO THIS SATURDAY AFTERNOON INTO SUNDAY. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE SATURDAY EVENING INTO SUNDAY CREATING AREAS OF WHITEOUT CONDITIONS DUE TO STRONG GUSTY WINDS. THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY LASTING INTO SUNDAY. MTZ003-192000- /O.CAN.KMSO.SN.Y.0006.000000T0000Z-080120T0000Z/ /O.UPG.KMSO.WS.A.0005.080120T0000Z-080120T1200Z/ /O.EXB.KMSO.WW.Y.0001.080120T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 458 AM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... ...SNOW ADVISORY IS CANCELLED... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY. THE SNOW ADVISORY HAS BEEN CANCELLED. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED LATE SATURDAY AFTERNOON THROUGH MIDDAY SUNDAY. NORTH TO EAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP LATE SATURDAY AFTERNOON AND SATURDAY EVENING. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY. THE POTENTIAL OF LOCAL WHITEOUT CONDITIONS WILL EXIST... ESPECIALLY FROM WEST GLACIER TO KALISPELL IN NORTHERN FLATHEAD VALLEY. IN ADDITION...WIND CHILL VALUES ARE EXPECTED TO LOWER TO ZERO TO 10 DEGREES BELOW ZERO LATE SATURDAY NIGHT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-192000- /O.CAN.KMSO.SN.Y.0006.000000T0000Z-080120T0000Z/ /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 458 AM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES CAN BE EXPECTED SATURDAY EVENING THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS ON THE VALLEY BENCHES. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS EVENING INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. HELLGATE CANYON COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-192000- /O.CON.KMSO.WS.W.0003.080119T1800Z-080120T1200Z/ WEST GLACIER REGION- 458 AM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SUNDAY... SNOWFALL WILL BECOME MODERATE SATURDAY AFTERNOON ACROSS THE WEST GLACIER REGION AND INTENSIFY SATURDAY EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL DEVELOP LATE SATURDAY AFTERNOON AND EVENING SATURDAY THROUGH SUNDAY MORNING...CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS AND US 2 FROM ESSEX TO WEST GLACIER. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 13 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ007-008-192000- /O.EXB.KMSO.SB.Y.0004.080120T0000Z-080120T1500Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 358 AM PST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED LATE SATURDAY AFTERNOON THROUGH MIDDAY SUNDAY. NORTH TO EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL DEVELOP LATE THIS EVENING AND OVERNIGHT INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. AREAS MOST EFFECTED WILL BE HIGHWAY 12 ACROSS WHITEBIRD GRADE. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ MTZ007-043-192000- /O.EXT.KMSO.SN.Y.0006.000000T0000Z-080119T1800Z/ /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 458 AM MST SAT JAN 19 2008 ...SNOW ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... LIGHT TO OCCASIONALLY MODERATE SNOWFALL WILL CONTINUE THIS MORNING WITH 2 TO 4 INCHES OF ACCUMULATION EXPECTED. SNOWFALL WILL BECOME MORE INTENSE SATURDAY EVENING INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH LOCAL WHITEOUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES OVER THE MOUNTAINS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-004-192000- /O.CON.KMSO.SB.Y.0004.080119T1200Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 458 AM MST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... LIGHT SNOWFALL TONIGHT WILL BECOME MODERATE TODAY AND SATURDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT SATURDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-192000- /O.CON.KMSO.SN.Y.0006.080119T1200Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 458 AM MST SAT JAN 19 2008 /358 AM PST SAT JAN 19 2008/ ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ SUNDAY... TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED LATE SATURDAY AFTERNOON THROUGH EARLY SUNDAY. LIGHT SNOWFALL THIS MORNING WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS BY LATE AFTERNOON. WIDESPREAD MODERATE SNOW WILL CONTINUE OVER THE ENTIRE AREA THROUGH EARLY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 191232 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 529 AM MST SAT JAN 19 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM THE GULF OF ALASKA WILL SPREAD MOISTURE AND ACCUMULATING SNOW TO AREAS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO SATURDAY AFTERNOON INTO SUNDAY. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE SATURDAY EVENING INTO SUNDAY CREATING AREAS OF WHITEOUT CONDITIONS DUE TO STRONG GUSTY WINDS. THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY LASTING INTO SUNDAY. MTZ003-192045- /O.CAN.KMSO.SN.Y.0006.000000T0000Z-080120T0000Z/ /O.UPG.KMSO.WS.A.0005.080120T0000Z-080120T1200Z/ /O.COR.KMSO.WW.Y.0001.080120T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 529 AM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... ...SNOW ADVISORY IS CANCELLED... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 5 PM SATURDAY AFTERNOON TO 5 AM MST SUNDAY. THE SNOW ADVISORY HAS BEEN CANCELLED. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED LATE SATURDAY AFTERNOON THROUGH MIDDAY SUNDAY. NORTH TO EAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP LATE SATURDAY AFTERNOON AND SATURDAY EVENING. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY. THE POTENTIAL OF LOCAL WHITEOUT CONDITIONS WILL EXIST... ESPECIALLY FROM WEST GLACIER TO KALISPELL IN NORTHERN FLATHEAD VALLEY. IN ADDITION...WIND CHILL VALUES ARE EXPECTED TO LOWER TO ZERO TO 10 DEGREES BELOW ZERO LATE SATURDAY NIGHT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-192045- /O.CAN.KMSO.SN.Y.0006.000000T0000Z-080120T0000Z/ /O.COR.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 529 AM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY AFTERNOON TO 11 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES CAN BE EXPECTED SATURDAY EVENING THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS ON THE VALLEY BENCHES. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS EVENING INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. HELLGATE CANYON COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-192045- /O.CON.KMSO.WS.W.0003.080119T1800Z-080120T1200Z/ WEST GLACIER REGION- 529 AM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SUNDAY... SNOWFALL WILL BECOME MODERATE SATURDAY AFTERNOON ACROSS THE WEST GLACIER REGION AND INTENSIFY SATURDAY EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL DEVELOP LATE SATURDAY AFTERNOON AND EVENING SATURDAY THROUGH SUNDAY MORNING...CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS AND US 2 FROM ESSEX TO WEST GLACIER. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 13 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ007-008-192045- /O.COR.KMSO.SB.Y.0004.080120T0000Z-080120T1500Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 429 AM PST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 4 PM SATURDAY AFTERNOON TO 7 AM PST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED LATE SATURDAY AFTERNOON THROUGH MIDDAY SUNDAY. NORTH TO EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL DEVELOP LATE THIS EVENING AND OVERNIGHT INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. AREAS MOST EFFECTED WILL BE HIGHWAY 12 ACROSS WHITEBIRD GRADE. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ MTZ007-043-192045- /O.COR.KMSO.SN.Y.0006.000000T0000Z-080119T1800Z/ /O.COR.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 529 AM MST SAT JAN 19 2008 ...SNOW ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... LIGHT TO OCCASIONALLY MODERATE SNOWFALL WILL CONTINUE SATURDAY MORNING WITH 2 TO 4 INCHES OF ACCUMULATION EXPECTED. SNOWFALL WILL BECOME MORE INTENSE SATURDAY EVENING INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP OVERNIGHT SATURDAY INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH LOCAL WHITEOUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES OVER THE MOUNTAINS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-004-192045- /O.COR.KMSO.SB.Y.0004.000000T0000Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 529 AM MST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... LIGHT SNOWFALL TONIGHT WILL BECOME MODERATE SATURDAY AFTERNOON AND SATURDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT SATURDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-192045- /O.CON.KMSO.SN.Y.0006.000000T0000Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 529 AM MST SAT JAN 19 2008 /429 AM PST SAT JAN 19 2008/ ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ SUNDAY... TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED LATE SATURDAY AFTERNOON THROUGH EARLY SUNDAY. LIGHT SNOWFALL THIS MORNING WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS BY LATE AFTERNOON. WIDESPREAD MODERATE SNOW WILL CONTINUE OVER THE ENTIRE AREA THROUGH EARLY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 191522 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 822 AM MST SAT JAN 19 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM THE GULF OF ALASKA WILL SPREAD MOISTURE AND ACCUMULATING SNOW TO AREAS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO SATURDAY AFTERNOON INTO SUNDAY. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE SATURDAY EVENING INTO SUNDAY CREATING AREAS OF WHITEOUT CONDITIONS DUE TO STRONG GUSTY WINDS. THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY LASTING INTO SUNDAY. MTZ007-043-200000- /O.CAN.KMSO.SN.Y.0006.000000T0000Z-080119T1800Z/ /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 822 AM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY. SNOWFALL WILL BECOME MORE INTENSE THIS EVENING INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP OVERNIGHT TONIGHT INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH LOCAL WHITEOUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES OVER THE MOUNTAINS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-200000- /O.CON.KMSO.WS.W.0003.080119T1800Z-080120T1200Z/ WEST GLACIER REGION- 822 AM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SUNDAY. SNOWFALL WILL BECOME MODERATE THIS AFTERNOON ACROSS THE WEST GLACIER REGION AND INTENSIFY THIS EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL DEVELOP LATE THIS AFTERNOON AND EVENING AND CONTINUE OVERNIGHT...CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS AND US 2 FROM ESSEX TO WEST GLACIER. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 13 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-004-200000- /O.EXT.KMSO.SB.Y.0004.000000T0000Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 822 AM MST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST SUNDAY... THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST SUNDAY. MODERATE SNOWFALL THIS AFTERNOON AND TONIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT TONIGHT. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-200000- /O.EXT.KMSO.SN.Y.0006.000000T0000Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 822 AM MST SAT JAN 19 2008 /722 AM PST SAT JAN 19 2008/ ...SNOW ADVISORY NOW IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 5 AM MST /4 AM PST/ SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 5 AM MST /4 AM PST/ SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED LATE THIS AFTERNOON THROUGH EARLY SUNDAY. LIGHT SNOWFALL THIS MORNING WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS BY LATE AFTERNOON. WIDESPREAD MODERATE SNOW WILL CONTINUE OVER THE ENTIRE AREA THROUGH EARLY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ007-008-200000- /O.CON.KMSO.SB.Y.0004.080120T0000Z-080120T1500Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 722 AM PST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST SUNDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED LATE THIS AFTERNOON THROUGH MIDDAY SUNDAY. NORTH TO EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL DEVELOP LATE THIS EVENING AND OVERNIGHT INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. AREAS MOST EFFECTED WILL BE HIGHWAY 12 ACROSS WHITEBIRD GRADE. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ MTZ003-200000- /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 822 AM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED LATE THIS AFTERNOON THROUGH MIDDAY SUNDAY. NORTH TO EAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP LATE THIS AFTERNOON AND EVENING. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY. THE POTENTIAL OF LOCAL WHITEOUT CONDITIONS WILL EXIST... ESPECIALLY FROM WEST GLACIER TO KALISPELL IN NORTHERN FLATHEAD VALLEY. IN ADDITION...WIND CHILL VALUES ARE EXPECTED TO LOWER TO ZERO TO 10 DEGREES BELOW ZERO LATE TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-200000- /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 822 AM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES CAN BE EXPECTED THIS EVENING THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS ON THE VALLEY BENCHES. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS EVENING INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. HELLGATE CANYON COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 192129 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 229 PM MST SAT JAN 19 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM THE GULF OF ALASKA WILL SPREAD MOISTURE AND ACCUMULATING SNOW TO AREAS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO SATURDAY EVENING INTO SUNDAY. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE SATURDAY NIGHT INTO SUNDAY CREATING AREAS OF WHITE OUT CONDITIONS. THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY LASTING INTO SUNDAY. MTZ002-201200- /O.NEW.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/ /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ WEST GLACIER REGION- 229 PM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... ...WIND CHILL ADVISORY IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. MODERATE SNOWFALL IS EXPECTED ACROSS THE WEST GLACIER REGION TODAY AND INTENSIFY THIS EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL DEVELOP LATE THIS AFTERNOON AND EVENING AND CONTINUE OVERNIGHT. THIS WILL CREATE LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS AND US 2 FROM ESSEX TO WEST GLACIER. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 13 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. WIND CHILL VALUES OF 10 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ007-043-201200- /O.NEW.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 229 PM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... ...WIND CHILL ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 5 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 11 AM SUNDAY TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY. SNOWFALL WILL BECOME MORE INTENSE THIS EVENING INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP OVERNIGHT TONIGHT INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH LOCAL WHITE OUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES OVER THE MOUNTAINS. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. WIND CHILL VALUES OF 10 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ IDZ007-008-201200- /O.EXT.KMSO.SB.Y.0004.080120T0000Z-080120T1200Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 129 PM PST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY... THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED THROUGH SATURDAY NIGHT. NORTH TO EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. AREAS MOST EFFECTED WILL BE HIGHWAY 12 ACROSS WHITEBIRD GRADE. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ MTZ001-004-201200- /O.EXT.KMSO.SB.Y.0004.000000T0000Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 229 PM MST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 5 AM MST SUNDAY... THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST SUNDAY. MODERATE SNOWFALL THIS AFTERNOON AND TONIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT TONIGHT. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-201200- /O.EXT.KMSO.SN.Y.0006.000000T0000Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 229 PM MST SAT JAN 19 2008 /129 PM PST SAT JAN 19 2008/ ...SNOW ADVISORY NOW IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 5 AM MST /4 AM PST/ SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 5 AM MST /4 AM PST/ SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY. LIGHT SNOWFALL WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS BY LATE AFTERNOON. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-201200- /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 229 PM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED LATE THIS AFTERNOON THROUGH MIDDAY SUNDAY. NORTH TO EAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP LATE THIS EVENING. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITY. THE POTENTIAL OF LOCAL WHITE OUT CONDITIONS ARE POSSIBLE...ESPECIALLY FROM COLUMBIA FALLS TO KALISPELL IN NORTHERN FLATHEAD VALLEY. IN ADDITION...WIND CHILL VALUES ARE EXPECTED TO LOWER TO ZERO TO 10 DEGREES BELOW ZERO LATE TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-201200- /O.CON.KMSO.WW.Y.0001.080120T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 229 PM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED THIS EVENING THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS OVER THE VALLEY BENCHES. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS EVENING INTO SUNDAY...MAINLY THROUGH THE MISSOULA VALLEY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. WINDS ARE EXPECTED TO BE THE STRONGEST THROUGH HELLGATE CANYON...WHICH COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 200347 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 847 PM MST SAT JAN 19 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM CANADA IS DRAGGING AN ARCTIC COLD FRONT ACROSS WESTERN MONTANA AND CENTRAL IDAHO THIS EVENING LEADING TO CONTINUED SNOWFALL TONIGHT THROUGH SUNDAY MORNING. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE TONIGHT AND SUNDAY MORNING CREATING AREAS OF WHITE OUT CONDITIONS. IN ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING NOT ONLY AREAS OF BLOWING AND DRIFTING SNOW WITH POOR VISIBILITY LASTING DANGEROUSLY COLD WIND CHILL VALUES SUNDAY THROUGH MONDAY. MTZ003-201200- /O.UPG.KMSO.WW.Y.0001.000000T0000Z-080120T1200Z/ /O.EXA.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 847 PM MST SAT JAN 19 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST SUNDAY... ...WINTER WEATHER ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL 5 AM MST SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED THROUGH MIDDAY SUNDAY. IN ADDITION...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW ALONG WITH POOR VISIBILITY DURING THE OVERNIGHT HOURS. LOCAL WHITE OUT CONDITIONS HAVE BEEN REPORTED AND REMAIN LIKELY OVERNIGHT AS THE ARCTIC COLD FRONT MOVES SOUTH. LOCATIONS FROM COLUMBIA FALLS TO KALISPELL IN NORTHERN FLATHEAD VALLEY WILL BE ESPECIALLY SUSCEPTIBLE TO LOWERED VISIBILITY IN BLOWING SNOWFALL. THE COMBINATION OF GUSTY WINDS AND THE ARCTIC AIRMASS WILL LEAD TO WIND CHILL VALUES OF ZERO TO 10 DEGREES BELOW ZERO DEVELOPING OVERNIGHT AND PERSISTING THROUGH SUNDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-201200- /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ /O.CON.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/ WEST GLACIER REGION- 847 PM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY. MODERATE TO HEAVY SNOWFALL WILL CONTINUE ACROSS THE WEST GLACIER REGION THIS EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL ALSO CONTINUE OVERNIGHT CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS AND US 2 FROM ESSEX TO WEST GLACIER. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 13 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. WIND CHILL VALUES OF 10 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ007-043-201200- /O.CON.KMSO.WW.Y.0001.000000T0000Z-080120T1800Z/ /O.CON.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 847 PM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 5 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 5 PM MST MONDAY. SNOWFALL WILL BEGIN ONCE AGAIN BY MIDNIGHT TONIGHT BECOMING MORE INTENSE OVERNIGHT INTO SUNDAY MORNING AS AN ARCTIC FRONT MOVES OVER THE CONTINENTAL DIVIDE. NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL DEVELOP DURING THE OVERNIGHT HOURS PERSISTING THROUGH SUNDAY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH LOCAL WHITE OUT CONDITIONS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH MIDDAY SUNDAY WILL RANGE FROM 4 TO 7 INCHES OVER VALLEYS AND PASSES WITH UP TO 12 INCHES ACROSS THE MOUNTAIN RANGES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ IDZ007-008-201200- /O.CON.KMSO.SB.Y.0004.000000T0000Z-080120T1200Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 747 PM PST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. SNOW WILL INTENSIFY THIS EVENING AS A LOW PRESSURE MOVES SOUTH THROUGH IDAHO. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY SUNDAY MORNING...ESPECIALLY FROM OROFINO SOUTHWARD TO GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE HIGHWAY 12 OVER WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD BECOME HAZARDOUS. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ MTZ001-004-201200- /O.CON.KMSO.SB.Y.0004.000000T0000Z-080120T1200Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 847 PM MST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. MODERATE SNOWFALL WILL CONTINUE OVERNIGHT WITH TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES EXPECTED THROUGH EARLY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO EAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER MIDNIGHT TONIGHT CREATING AREAS OF BLOWING AND DRIFTING SNOW. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-201200- /O.CON.KMSO.SN.Y.0006.000000T0000Z-080120T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 847 PM MST SAT JAN 19 2008 /747 PM PST SAT JAN 19 2008/ ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ SUNDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY. LIGHT SNOWFALL WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS OVERNIGHT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-201200- /O.CON.KMSO.WW.Y.0001.000000T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 847 PM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED THIS EVENING THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS OVER THE VALLEY BENCHES...FRENCHTOWN...HUSON...ALBERTON AND THE SOUTH HILLS OF MISSOULA. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS EVENING INTO SUNDAY...MAINLY THROUGH THE MISSOULA VALLEY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. WINDS ARE EXPECTED TO BE THE STRONGEST THROUGH HELLGATE CANYON...WHICH COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 200642 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1142 PM MST SAT JAN 19 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM CANADA IS DRAGGING AN ARCTIC COLD FRONT ACROSS WESTERN MONTANA AND CENTRAL IDAHO THIS EVENING LEADING TO CONTINUED SNOWFALL TONIGHT THROUGH SUNDAY MORNING. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE TONIGHT AND SUNDAY MORNING CREATING AREAS OF WHITE OUT CONDITIONS. IN ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA... CREATING NOT ONLY AREAS OF BLOWING AND DRIFTING SNOW WITH POOR VISIBILITY LASTING DANGEROUSLY COLD WIND CHILL VALUES SUNDAY THROUGH MONDAY. MTZ007-043-201445- /O.UPG.KMSO.WW.Y.0001.000000T0000Z-080120T1800Z/ /O.EXB.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ /O.CON.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 1142 PM MST SAT JAN 19 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 5 PM MST MONDAY... ...WINTER WEATHER ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 5 PM MST MONDAY. MODERATE TO HEAVY SNOWFALL WILL CONTINUE OVERNIGHT INTO MONDAY MORNING AS AN ARCTIC AIRMASS MOVES INTO THE REGION. TOTAL ACCUMULATIONS OF 6 TO 8 INCHES BY MIDDAY MONDAY CAN BE EXPECTED WITH UP TO 12 INCHES IN THE MOUNTAINS. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND FIELDS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY MORNING. ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ001-004-201445- /O.UPG.KMSO.SB.Y.0004.000000T0000Z-080120T1200Z/ /O.EXB.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 1142 PM MST SAT JAN 19 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST SUNDAY... ...SNOW AND BLOWING SNOW ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST SUNDAY. THE SNOW AND BLOWING SNOW ADVISORY IS NO LONGER IN EFFECT. MODERATE TO OCCASIONALLY HEAVY SNOWFALL WILL CONTINUE OVERNIGHT WITH TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 9 INCHES EXPECTED THROUGH MIDDAY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER OVERNIGHT CREATING AREAS OF BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-201445- /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ /O.CON.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/ WEST GLACIER REGION- 1142 PM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY. MODERATE TO HEAVY SNOWFALL WILL CONTINUE ACROSS THE WEST GLACIER REGION THIS EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL ALSO CONTINUE OVERNIGHT CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS AND US 2 FROM ESSEX TO WEST GLACIER. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 13 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. WIND CHILL VALUES OF 10 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ003-201200- /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 1142 PM MST SAT JAN 19 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED THROUGH MIDDAY SUNDAY. IN ADDITION...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW ALONG WITH POOR VISIBILITY DURING THE OVERNIGHT HOURS. LOCAL WHITE OUT CONDITIONS HAVE BEEN REPORTED AND REMAIN LIKELY OVERNIGHT AS THE ARCTIC COLD FRONT MOVES SOUTH. LOCATIONS FROM COLUMBIA FALLS TO KALISPELL IN NORTHERN FLATHEAD VALLEY WILL BE ESPECIALLY SUSCEPTIBLE TO LOWERED VISIBILITY IN BLOWING SNOWFALL. THE COMBINATION OF GUSTY WINDS AND THE ARCTIC AIRMASS WILL LEAD TO WIND CHILL VALUES OF ZERO TO 10 DEGREES BELOW ZERO DEVELOPING OVERNIGHT AND PERSISTING THROUGH SUNDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ007-008-201445- /O.EXT.KMSO.SB.Y.0004.000000T0000Z-080120T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 1042 PM PST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 10 AM PST SUNDAY... THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 10 AM PST SUNDAY. SNOW WILL INTENSIFY THIS EVENING AS A LOW PRESSURE MOVES SOUTH THROUGH IDAHO. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY SUNDAY MORNING...ESPECIALLY FROM OROFINO SOUTHWARD TO GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE HIGHWAY 12 OVER WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD BECOME HAZARDOUS. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-201445- /O.EXT.KMSO.SN.Y.0006.000000T0000Z-080120T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1142 PM MST SAT JAN 19 2008 /1042 PM PST SAT JAN 19 2008/ ...SNOW ADVISORY NOW IN EFFECT UNTIL 11 AM MST /10 AM PST/ SUNDAY... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 11 AM MST /10 AM PST/ SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY. LIGHT SNOWFALL WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS OVERNIGHT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-201445- /O.CON.KMSO.WW.Y.0001.000000T0000Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 1142 PM MST SAT JAN 19 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED THIS EVENING THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS OVER THE VALLEY BENCHES...FRENCHTOWN...HUSON...ALBERTON AND THE SOUTH HILLS OF MISSOULA. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS EVENING INTO SUNDAY...MAINLY THROUGH THE MISSOULA VALLEY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. WINDS ARE EXPECTED TO BE THE STRONGEST THROUGH HELLGATE CANYON...WHICH COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 200745 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1245 AM MST SUN JAN 20 2008 .A LOW PRESSURE SYSTEM DROPPING SOUTH FROM CANADA IS DRAGGING AN ARCTIC COLD FRONT ACROSS WESTERN MONTANA AND CENTRAL IDAHO THIS EVENING LEADING TO CONTINUED SNOWFALL TONIGHT THROUGH SUNDAY MORNING. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL REVOLVE AROUND ARCTIC AIR SURGING ACROSS THE CONTINENTAL DIVIDE TONIGHT AND SUNDAY MORNING CREATING AREAS OF WHITE OUT CONDITIONS. IN ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA... CREATING NOT ONLY AREAS OF BLOWING AND DRIFTING SNOW WITH POOR VISIBILITY LASTING DANGEROUSLY COLD WIND CHILL VALUES SUNDAY THROUGH MONDAY. MTZ043-201300- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.BZ.W.0001.080120T0745Z-080120T1800Z/ /O.CON.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ POTOMAC/SEELEY LAKE REGION- 1245 AM MST SUN JAN 20 2008 ...BLIZZARD WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING ALONG I-90 FROM MISSOULA TO BONNER AND ALONG HIGHWAY 200 FROM BONNER TO CLEARWATER JUNCTION... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST THIS MORNING ALONG I-90 FROM MISSOULA TO BONNER AND ALONG HIGHWAY 200 FROM BONNER TO CLEARWATER JUNCTION. THE WINTER STORM WARNING HAS BEEN CANCELLED. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST MONDAY. MODERATE TO HEAVY SNOW AND STRONG EAST TO NORTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL PRODUCE BLIZZARD CONDITIONS ALONG THE I-90 CORRIDOR FROM MISSOULA TO BONNER AND ALONG HIGHWAY 200 FROM BONNER TO CLEARWATER JUNCTION. THIS COMBINATION OF SNOW AND WIND WILL PRODUCE BLIZZARD CONDITIONS TONIGHT. MODERATE TO HEAVY SNOWFALL WILL CONTINUE THROUGH SUNDAY MORNING ACROSS THE REMAINDER OF THE REGION AS AN ARCTIC AIRMASS MOVES INTO THE REGION. TOTAL ACCUMULATIONS OF 6 TO 8 INCHES BY MIDDAY SUNDAY CAN BE EXPECTED WITH UP TO 12 INCHES IN THE MOUNTAINS. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND FIELDS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY MORNING. ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ005-201300- /O.UPG.KMSO.WW.Y.0001.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.BZ.W.0001.080120T0745Z-080120T1800Z/ MISSOULA/BITTERROOT VALLEYS- 1245 AM MST SUN JAN 20 2008 ...BLIZZARD WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING FOR THE EASTERN HALF OF MISSOULA... ...WINTER WEATHER ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST THIS MORNING IN EAST MISSOULA AND ALONG HELLGATE CANYON. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOW AND STRONG EAST TO NORTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL PRODUCE BLIZZARD CONDITIONS ALONG THE I-90 CORRIDOR THROUGH THE EASTERN HALF OF MISSOULA. THIS COMBINATION OF SNOW AND WIND WILL PRODUCE BLIZZARD CONDITIONS TONIGHT. FOR THE REMAINDER OF THE MISSOULA AND BITTERROOT VALLEY TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED THROUGH MIDDAY SUNDAY...WITH THE HIGHEST AMOUNTS OVER THE VALLEY BENCHES...FRENCHTOWN...HUSON...ALBERTON AND THE SOUTH HILLS OF MISSOULA. GUSTY NORTH TO EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS EVENING INTO SUNDAY...MAINLY THROUGH THE MISSOULA VALLEY. THE COMBINATION OF SNOW AND WIND WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. WINDS ARE EXPECTED TO BE THE STRONGEST THROUGH HELLGATE CANYON...WHICH COULD EXPERIENCE LOCAL WHITEOUT CONDITIONS BY SUNDAY MORNING. IN ADDITION...WIND CHILL VALUES WILL LOWER TO ZERO TO NEAR 10 DEGREES BELOW ZERO SUNDAY. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ MTZ002-201300- /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ /O.CON.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/ WEST GLACIER REGION- 1245 AM MST SUN JAN 20 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 5 PM MST MONDAY. MODERATE TO HEAVY SNOWFALL WILL CONTINUE ACROSS THE WEST GLACIER REGION THIS EVENING. STRONG EAST TO NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS 40 MPH WILL ALSO CONTINUE OVERNIGHT CREATING LOCAL BLIZZARD CONDITIONS THROUGH THE GAPS OF THE DIVIDE...INCLUDING MARIAS PASS AND US 2 FROM ESSEX TO WEST GLACIER. WIND CHILL VALUES OF 10 BELOW TO 20 DEGREES BELOW ZERO CAN BE EXPECTED OVERNIGHT INTO EARLY SUNDAY. TOTAL SNOWFALL ACCUMULATIONS THROUGH SUNDAY MORNING WILL RANGE FROM 6 TO 13 INCHES. ALTHOUGH SNOW WILL BE ENDING SUNDAY...VERY COLD WIND CHILL VALUES WILL REMAIN. WIND CHILL VALUES OF 10 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND WIND ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ007-201300- /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ /O.CON.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ BUTTE/BLACKFOOT REGION- 1245 AM MST SUN JAN 20 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST MONDAY. MODERATE TO HEAVY SNOWFALL WILL CONTINUE OVERNIGHT INTO MONDAY MORNING AS AN ARCTIC AIRMASS MOVES INTO THE REGION. TOTAL ACCUMULATIONS OF 6 TO 8 INCHES BY MIDDAY MONDAY CAN BE EXPECTED WITH UP TO 12 INCHES IN THE MOUNTAINS. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND FIELDS. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED BY SUNDAY MORNING. ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO OR LOWER WILL CONTINUE INTO MONDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ003-201200- /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ FLATHEAD/MISSION VALLEYS- 1245 AM MST SUN JAN 20 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED THROUGH MIDDAY SUNDAY. IN ADDITION...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW ALONG WITH POOR VISIBILITY DURING THE OVERNIGHT HOURS. LOCAL WHITE OUT CONDITIONS HAVE BEEN REPORTED AND REMAIN LIKELY OVERNIGHT AS THE ARCTIC COLD FRONT MOVES SOUTH. LOCATIONS FROM COLUMBIA FALLS TO KALISPELL IN NORTHERN FLATHEAD VALLEY WILL BE ESPECIALLY SUSCEPTIBLE TO LOWERED VISIBILITY IN BLOWING SNOWFALL. THE COMBINATION OF GUSTY WINDS AND THE ARCTIC AIRMASS WILL LEAD TO WIND CHILL VALUES OF ZERO TO 10 DEGREES BELOW ZERO DEVELOPING OVERNIGHT AND PERSISTING THROUGH SUNDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-004-201300- /O.CON.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 1245 AM MST SUN JAN 20 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. MODERATE TO OCCASIONALLY HEAVY SNOWFALL WILL CONTINUE OVERNIGHT WITH TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 9 INCHES EXPECTED THROUGH MIDDAY SUNDAY. IN ADDITION...LOCAL GUSTY NORTH TO NORTHEAST WINDS OF 15 TO 30 MPH ARE EXPECTED TO DEVELOP AFTER OVERNIGHT CREATING AREAS OF BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ007-008-201300- /O.CON.KMSO.SB.Y.0004.000000T0000Z-080120T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 1145 PM PST SAT JAN 19 2008 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY. SNOW WILL INTENSIFY THIS EVENING AS A LOW PRESSURE MOVES SOUTH THROUGH IDAHO. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY SUNDAY MORNING...ESPECIALLY FROM OROFINO SOUTHWARD TO GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE HIGHWAY 12 OVER WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD BECOME HAZARDOUS. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-201300- /O.CON.KMSO.SN.Y.0006.000000T0000Z-080120T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1245 AM MST SUN JAN 20 2008 /1145 PM PST SAT JAN 19 2008/ ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY. LIGHT SNOWFALL WILL BECOME MODERATE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS OVERNIGHT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 201148 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 448 AM MST SUN JAN 20 2008 .A STRONG ARCTIC PUSH OF AIR CLASHING WITH A LOW PRESSURE SYSTEM DROPPING SOUTH FROM CANADA WILL CONTINUE TO PRODUCE SNOWFALL AND STRONG AND GUSTY NORTHEAST TO EAST WINDS SUNDAY PRODUCING SNOW AND BLOWING SNOW. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL CONTINUE TO BE AREAS OF WHITE OUT CONDITIONS AT TIMES. IN ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING DANGEROUSLY COLD WIND CHILL VALUES SUNDAY AFTERNOON THROUGH MONDAY. MTZ043-201900- /O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/ /O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ /O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/ POTOMAC/SEELEY LAKE REGION- 448 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...BLIZZARD WARNING IS CANCELLED... ...WIND CHILL ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE BLIZZARD WARNING HAS BEEN CANCELED. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND FIELDS...ESPECIALLY ALONG HIGHWAY 200 FROM BONNER TO CLEARWATER JUNCTION AND I-90 FROM MISSOULA TO BONNER. ALTHOUGH SNOW WILL BE DIMINISHING THIS AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-201900- /O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/ /O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/ MISSOULA/BITTERROOT VALLEYS- 448 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. THE BLIZZARD WARNING HAS BEEN CANCELED. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND IN THE EAST HALF OF MISSOULA. ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ007-201900- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/ /O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ /O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/ BUTTE/BLACKFOOT REGION- 448 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... ...WIND CHILL ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-201900- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ /O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/ /O.UPG.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/ /O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/ WEST GLACIER REGION- 448 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... ...WIND CHILL ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED SUNDAY MORNING. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL PERSIST. ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-201900- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ /O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/ /O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/ FLATHEAD/MISSION VALLEYS- 448 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELED. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF AROUND 1 INCH ARE EXPECTED SUNDAY MORNING. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL PERSIST. ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ001-004-201900- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ /O.EXB.KMSO.SB.Y.0004.080120T1200Z-080121T0000Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 448 AM MST SUN JAN 20 2008 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. SNOW WILL CONTINUE SUNDAY MORNING THEN GRADUALLY DECREASES A LOW PRESSURE MOVES SOUTH THROUGH IDAHO. ADDITIONAL SNOW ACCUMULATIONS OF AROUND 1 INCH ARE EXPECTED SUNDAY MORNING. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW. DRIVING CONDITIONS OVER LOOKOUT PASS WILL BE MOST EFFECTED. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ009-010-201900- /O.EXB.KMSO.SN.Y.0006.080120T1200Z-080121T0000Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 448 AM MST SUN JAN 20 2008 ...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES IN THE VALLEYS AND PASSES WITH UP TO 10 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY EVENING. LIGHT SNOWFALL WILL BECOME MODERATE DURING THE MORNING HOURS. EXPECT DIFFICULT DRIVING CONDITIONS ACROSS LOST TRAIL PASS TODAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ007-008-201900- /O.EXT.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 348 AM PST SUN JAN 20 2008 ...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. SNOW WILL INTENSIFY DURING THE MORNING HOURS AS LOW PRESSURE MOVES SOUTH THROUGH IDAHO. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY SUNDAY AFTERNOON...ESPECIALLY FROM OROFINO SOUTHWARD TO GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED TODAY CREATING AREAS OF BLOWING AND DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE HIGHWAY 12 OVER WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD BECOME HAZARDOUS. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-201900- /O.EXT.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 448 AM MST SUN JAN 20 2008 /348 AM PST SUN JAN 20 2008/ ...SNOW ADVISORY NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED SUNDAY. LIGHT TO MODERATE WILL CONTINUE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS THROUGHOUT THE DAY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 201158 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 453 AM MST SUN JAN 20 2008 .A STRONG ARCTIC PUSH OF AIR CLASHING WITH A LOW PRESSURE SYSTEM DROPPING SOUTH FROM CANADA WILL CONTINUE TO PRODUCE SNOWFALL AND STRONG AND GUSTY NORTHEAST TO EAST WINDS SUNDAY PRODUCING SNOW AND BLOWING SNOW. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL CONTINUE TO BE AREAS OF WHITE OUT CONDITIONS AT TIMES. IN ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING DANGEROUSLY COLD WIND CHILL VALUES SUNDAY AFTERNOON THROUGH MONDAY. MTZ043-201915- /O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/ /O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ /O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/ POTOMAC/SEELEY LAKE REGION- 453 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...BLIZZARD WARNING IS CANCELLED... ...WIND CHILL ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE BLIZZARD WARNING HAS BEEN CANCELED. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND FIELDS...ESPECIALLY ALONG HIGHWAY 200 FROM BONNER TO CLEARWATER JUNCTION AND I-90 FROM MISSOULA TO BONNER. ALTHOUGH SNOW WILL BE DIMINISHING THIS AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ005-201915- /O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/ /O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/ MISSOULA/BITTERROOT VALLEYS- 453 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. THE BLIZZARD WARNING HAS BEEN CANCELED. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND IN THE EAST HALF OF MISSOULA. ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ007-201915- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ /O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/ /O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/ /O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/ BUTTE/BLACKFOOT REGION- 453 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... ...WIND CHILL ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-201915- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ /O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/ /O.UPG.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/ /O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/ WEST GLACIER REGION- 453 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... ...WIND CHILL ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED SUNDAY MORNING. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL PERSIST. ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-201915- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/ /O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/ /O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/ FLATHEAD/MISSION VALLEYS- 453 AM MST SUN JAN 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELED. MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL SNOWFALL ACCUMULATIONS OF AROUND 1 INCH ARE EXPECTED SUNDAY MORNING. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL PERSIST. ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ MTZ001-004-201915- /O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/ /O.COR.KMSO.SB.Y.0004.080120T1200Z-080121T0000Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 453 AM MST SUN JAN 20 2008 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. SNOW WILL CONTINUE SUNDAY MORNING THEN GRADUALLY DECREASES A LOW PRESSURE MOVES SOUTH THROUGH IDAHO. ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED SUNDAY MORNING. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY CREATING AREAS OF BLOWING AND DRIFTING SNOW. DRIVING CONDITIONS OVER LOOKOUT PASS WILL BE MOST EFFECTED. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ009-010-201915- /O.EXB.KMSO.SN.Y.0006.080120T1200Z-080121T0000Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 453 AM MST SUN JAN 20 2008 ...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES IN THE VALLEYS AND PASSES WITH UP TO 10 INCHES IN THE MOUNTAINS CAN BE EXPECTED THROUGH EARLY SUNDAY EVENING. LIGHT SNOWFALL WILL BECOME MODERATE DURING THE MORNING HOURS. EXPECT DIFFICULT DRIVING CONDITIONS ACROSS LOST TRAIL PASS TODAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ007-008-201915- /O.EXT.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 353 AM PST SUN JAN 20 2008 ...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. SNOW WILL INTENSIFY DURING THE MORNING HOURS AS LOW PRESSURE MOVES SOUTH THROUGH IDAHO. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY SUNDAY AFTERNOON...ESPECIALLY FROM OROFINO SOUTHWARD TO GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED TODAY CREATING AREAS OF BLOWING AND DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE HIGHWAY 12 OVER WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD BECOME HAZARDOUS. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ IDZ005-006-MTZ006-201915- /O.EXT.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 453 AM MST SUN JAN 20 2008 /353 AM PST SUN JAN 20 2008/ ...SNOW ADVISORY NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED SUNDAY. LIGHT TO MODERATE WILL CONTINUE OVER THE NORTHERN CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS THROUGHOUT THE DAY SUNDAY. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Missoula, MT wrote its last area forecast discussion before this winter storm warning went out at Jan 18, 8:30 AM MST, 5 hours 49 minutes earlier.
Area forecast discussion, Jan 18, 8:30 AM MST, 5 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
830 AM MST FRI JAN 18 2008
.DISCUSSION...LATEST MODELS SHOW STEADY ATMOSPHERIC LIFT CONTINUING
INTO THIS AFTERNOON. ALTHOUGH LOWER LEVELS OF THE ATMOSPHERE WILL
BE DRYING OUT...WE SHOULD SEE PERSISTENT LIGHT SNOW OVER IDAHOS
CLEARWATER MOUNTAINS AS WELL AS SOUTHWESTERN MONTANA. ADJUSTED THE
FORECAST FOR THIS TO RAISE POPS THIS MORNING AND AFTERNOON FOR
THIS. ALSO ADJUSTED MAX TEMPERATURES FOR TODAY BASED ON CURRENT
TRENDS.
&&
.AVIATION...SNOW WILL REDUCE VISIBILITIES OVER CENTRAL WESTERN AND
SOUTHWESTERN MONTANA INTO THIS AFTERNOON. LOW CEILINGS WILL OBSCURE
MOUNTAINS AND PASSES OVER THE NORTHERN ROCKIES THROUGH THE NEXT 24
HOURS.
&&
.PREV DISCUSSION... /ISSUED 628 AM MST FRI JAN 18 2008/
WIDESPREAD SNOW HAS DECREASED ACROSS MUCH OF NORTHWEST AND WEST
CENTRAL MONTANA. SOUTHWEST MONTANA WILL SEE WIDESPREAD SNOW WITH
LIGHT ACCUMULATIONS THROUGH MID MORNING.
PREV DISCUSSION... /ISSUED 438 AM MST FRI JAN 18 2008/
WIDESPREAD SNOW ACROSS SOUTHWEST AND WEST CENTRAL MONTANA WILL
PERSIST THROUGH THE MORNING HOURS. ABUNDANT LOW LEVEL MOISTURE
WITH ISENTROPIC LIFT AND A FAVORABLE DENDRITIC ZONE WILL PRODUCE
AN INCH OR TWO OF ADDITIONAL SNOWFALL WHICH COULD PRODUCE
DIFFICULT DRIVING CONDITIONS FOR THE MORNING COMMUTE. RELATIVELY
DRIER AIR WILL FILTER INTO THE NORTHERN ROCKIES THIS AFTERNOON
PUTTING A TEMPORARY HALT TO ACCUMULATING SNOW.
THIS EVENING THROUGH SATURDAY NIGHT. A STRONG SHORT WAVE WILL MOVE INTO
THE NORTHERN ROCKIES FROM BRITISH COLUMBIA. MOISTURE WILL INCREASE
AS THIS SHORT WAVE AND ASSOCIATED SURFACE LOW MOVE THROUGH.
INCREASING ISENTROPIC LIFT ASSOCIATED WITH THE STRONG SURFACE LOW
AND ABUNDANT MOISTURE WILL BRING ANOTHER ROUND OF ACCUMULATING
SNOWS TO THE REGION. TRAVEL IN THE VALLEYS OF WESTERN MONTANA WILL
BE DIFFICULT AT TIMES ON SATURDAY WITH ACCUMULATING SNOWS.
EXPECTED THROUGHOUT THE DAY. LOLO...LOOKOUT AND MARIAS PASSES WILL
ALSO BE DIFFICULT AT TIMES WITH MODERATE TO HEAVY ACCUMULATIONS
EXPECTED.
SATURDAY NIGHT AND SUNDAY...ACCUMULATING SNOWS WILL CONTINUE IN
WESTERN MONTANA AND SPREAD THROUGH CENTRAL IDAHO AS THIS BROAD
TROUGH CONTINUES TO MOVE SOUTH. AS THE TROUGH MOVES SOUTH STRONG
EAST TO NORTHEAST WINDS WILL USHER A SURGE OF ARCTIC AIR INTO
WESTERN MONTANA CREATING AREAS OF BLOWING SNOW AND PLUNGING WIND
CHILL VALUES. MUCH COLDER AIR AND STRONG NORTHEAST WINDS WILL
START OUT SATURDAY EVENING IN THE WEST GLACIER REGION INTO THE
FLATHEAD VALLEY. STRONG LOW LEVEL CONVERGENCE WILL ENHANCE
SNOWFALL IN THE WEST GLACIER REGION. THIS ENHANCED SNOWFALL WITH
STRONG GUSTY NORTHEAST WINDS COULD PRODUCE LOCAL BLIZZARD
CONDITIONS IN THE WEST GLACIER REGION SATURDAY EVENING AND NIGHT.
ARCTIC WILL CONTINUE TO SURGE ACROSS THE NORTH-CENTRAL IDAHO ON
SUNDAY FOR A SIGNIFICANT DECREASE IN TEMPERATURES. A WINTER STORM
WATCH HAS BEEN ISSUED FOR THE WEST GLACIER REGION.
SUNDAY NIGHT THROUGH MONDAY NIGHT...DRY ARCTIC AIR WITH A
CONTINUED NORTHEASTERLY FLOW WILL ESTABLISH ITSELF OVER THE
NORTHERN ROCKIES. DEEP ARCTIC AIR MASS ALONG WITH MAINLY CLEAR
SKIES FRESH SNOWFALL ARE THE INGREDIENTS FOR VERY COLD
TEMPERATURES EACH NIGHT. LOW TEMPERATURES IN BUTTE SUNDAY AND
MONDAY NIGHT OF 20 TO 30 BELOW ZERO ARE POSSIBLE. SUBZERO
TEMPERATURES ARE POSSIBLE ACROSS THE REST OF THE VALLEYS OF
WESTERN MONTANA AND PARTS OF NORTH CENTRAL IDAHO. EACH NIGHT.
TUESDAY THROUGH THURSDAY...TEMPERATURES WILL REMAIN COLD THROUGH
THE WEEK. A PERSISTENT SURFACE RIDGE WILL HELP RETAIN STABLE
CONDITIONS OVER THE NORTHERN ROCKIES THUS MAKING IT DIFFICULT TO
WARM TEMPERATURES SUBSTANTIALLY DURING THE DAYTIME HOURS. IN
TURN...THIS WILL ALSO ALLOW LOW TEMPERATURES TO PLUMMET INTO THE
BELOW ZERO TO SINGLE DIGIT READINGS ACROSS MOST OF WESTERN MONTANA
THROUGH THIS TIME.
TWO WEATHER FEATURES WILL PLAY A ROLE IN SNOWFALL POTENTIAL FOR
WEDNESDAY AND THURSDAY. ON WEDNESDAY A SHORTWAVE FEATURE WILL
ENHANCE SNOW SHOWERS ALONG THE CONTINENTAL DIVIDE THROUGH THE DAY.
ON THURSDAY...THE GFS AND ECMWF MODELS INDICATE THAT AN UPPER
LEVEL DISTURBANCE WILL CLIP NORTHWEST MONTANA AND BRING THE NEXT
CHANCE FOR SNOW SHOWERS. CONFIDENCE IS STILL LOW WITH
THE SYSTEM ON THURSDAY REGARDING TIMING AND PLACEMENT DUE TO THE
INCONSISTENCIES BETWEEN MODEL DATA.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WATCH FROM SATURDAY MORNING THROUGH LATE SATURDAY
NIGHT FOR WEST GLACIER REGION.
ID...NONE.
&&
UPDATE/AVIATION...STEGEMILLER
PREVIOUS...RPN/DEROSAHazardous weather outlook, Jan 18, 8:09 AM MST, 6 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 809 AM MST FRI JAN 18 2008 MTZ002-190400- WEST GLACIER REGION- 809 AM MST FRI JAN 18 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...TODAY AND TONIGHT LIGHT SNOWFALL WITH LIGHT ACCUMULATIONS...GENERALLY LESS THAN AN INCH...IS EXPECTED ACROSS MUCH OF WESTERN MONTANA AND IDAHO MOUNTAINS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY ARCTIC AIR SURGING ACROSS THE DIVIDE WILL BRING AREAS OF BLOWING SNOW AND BITTER WIND CHILLS SUNDAY. WINDS ARE EXPECTED TO DECREASE SUNDAY NIGHT AND MONDAY...BUT VERY COLD AIR WILL REMAIN OVER THE AREA THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ005>010-MTZ001-003>007-043-190400- NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION- FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION- MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 809 AM MST FRI JAN 18 2008 /709 AM PST FRI JAN 18 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT LIGHT SNOWFALL AND ACCUMULATIONS...GENERALLY LESS THAN AN INCH...IS EXPECTED ACROSS MUCH OF WESTERN MONTANA AND NORTH CENTRAL IDAHO. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AN IMPRESSIVE WEATHER SYSTEM DIGGING SOUTH ACROSS THE PACIFIC NORTHWEST SATURDAY WILL SPREAD ACCUMULATING SNOW TO THE MOUNTAINS AND SOME VALLEY LOCATIONS OF WESTERN MONTANA AND NORTH-CENTRAL IDAHO. THEN STRONG NORTHEAST WINDS WILL USHER ARCTIC AIR ACROSS THE CONTINENTAL DIVIDE SATURDAY NIGHT AND SUNDAY...CREATING AREAS OF BLOWING SNOW AND VERY COLD WIND CHILLS...ESPECIALLY IN WESTERN MONTANA. WINDS ARE EXPECTED DECREASE SUNDAY NIGHT AND MONDAY...BUT VERY COLD AIR WILL REMAIN OVER THE AREA THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 18, 2:19 PM MST | Snow and Blowing Snow Advisory | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 48 hr |
| Jan 18, 2:19 PM MST | Snow Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 51 hr |
| Jan 18, 2:19 PM MST | Winter Storm Watch | MSO | Flathead, Lake, Sanders | 15 hr |
| Jan 18, 2:19 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 34 hr |
Nearby
Winter Storm Warnings in Montana, 2008Every winter storm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.