Alert archive / Montana / Winter Storm Warnings in 2008
Winter Storm Warning 17, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Dec 20, 2008, 1:35 PM PST for Clearwater County, Idaho County, Idaho; Granite County, Missoula County, Ravalli County, Montana. It took effect at Dec 21, 2008, 7:00 AM PST. It was in force for 27 hr. 4 reports 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
- Dec 20, 2008, 1:35 PM PST (21:35 UTC)
- In effect from
- Dec 21, 2008, 7:00 AM PST
- Expired
- Dec 22, 2008, 10:00 AM PST
- In force
- 27 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Granite County, MT, Missoula County, MT, Ravalli County, MT
The radar
The Missoula radar (KMSX), 81 km from the middle of the area, began a volume at 21:41 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 |
|---|---|---|---|
| Dec 22, 6:15 AM PST | HEAVY SNOW 10 | 5 Nnw Orofino, ID | 6 TO 7 INCHES OCCURRED OVERNIGHT WITH SUBSTANTIAL DRIFTING |
| Dec 22, 7:00 AM PST | HEAVY SNOW 8.6 | Pierce, ID | |
| Dec 22, 7:00 AM PST | HEAVY SNOW 12 | Orofino, ID | |
| Dec 22, 8:30 AM PST | HEAVY SNOW 11 | Cottonwood, ID | 9 INCHES OCCURRED OVERNINGHT INTO EARLY MORNING HOURS |
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, 9.6 hours before the alert went out and 202 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
- 819 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 128 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 202135 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 235 PM MST SAT DEC 20 2008 IDZ005-006-MTZ006-210600- /O.UPG.KMSO.WS.A.0021.081221T1200Z-081222T1800Z/ /O.NEW.KMSO.WS.W.0017.081221T1800Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 235 PM MST SAT DEC 20 2008 /135 PM PST SAT DEC 20 2008/ ...WINTER STORM WARNING IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR ACCUMULATING SNOW...WHICH IS IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW WILL DEVELOP ACROSS NORTH CENTRAL IDAHO AND WESTERN MONTANA DURING SUNDAY MORNING...BECOMING HEAVY AT TIMES DURING THE AFTERNOON AND EVENING. BY MONDAY MORNING...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED...WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ004-210600- /O.UPG.KMSO.WS.A.0021.081221T1200Z-081222T1800Z/ /O.NEW.KMSO.WW.Y.0019.081221T1800Z-081222T1800Z/ LOWER CLARK FORK REGION- 235 PM MST SAT DEC 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR ACCUMULATING SNOW...WHICH IS IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW WILL DEVELOP ACROSS WESTERN MONTANA ON SUNDAY MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED THROUGH MIDDAY MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ007-008-210600- /O.NEW.KMSO.WW.Y.0019.081221T1800Z-081222T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 135 PM PST SAT DEC 20 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 10 AM PST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR ACCUMULATING SNOW...WHICH IS IN EFFECT FROM 10 AM SUNDAY TO 10 AM PST MONDAY. SNOW WILL DEVELOP ACROSS NORTH CENTRAL IDAHO ON SUNDAY MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED THROUGH MIDDAY MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
9 follow-up statements
000 WWUS45 KMSO 210403 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 903 PM MST SAT DEC 20 2008 IDZ005-006-MTZ006-211215- /O.CON.KMSO.WS.W.0017.081221T1800Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 903 PM MST SAT DEC 20 2008 /803 PM PST SAT DEC 20 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY. SNOW WILL DEVELOP ACROSS NORTH CENTRAL IDAHO AND WESTERN MONTANA DURING SUNDAY MORNING...BECOMING HEAVY AT TIMES DURING THE AFTERNOON AND EVENING. BY MONDAY MORNING...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED...WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ007-008-MTZ004-211215- /O.CON.KMSO.WW.Y.0019.081221T1800Z-081222T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- LOWER CLARK FORK REGION- 903 PM MST SAT DEC 20 2008 /803 PM PST SAT DEC 20 2008/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY. SNOW WILL DEVELOP ACROSS NORTH CENTRAL IDAHO ON SUNDAY MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE ANTICIPATED THROUGH MIDDAY MONDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 211023 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 323 AM MST SUN DEC 21 2008 IDZ005-006-MTZ006-211900- /O.EXT.KMSO.WS.W.0017.081221T1500Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 323 AM MST SUN DEC 21 2008 /223 AM PST SUN DEC 21 2008/ ...WINTER STORM WARNING NOW IN EFFECT FROM 8 AM MST /7 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 8 AM MST /7 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY. SNOW WILL DEVELOP ACROSS NORTH CENTRAL IDAHO AND INTO BITTERROOT MOUNTAINS OF WEST-CENTRAL WESTERN MONTANA THIS MORNING. SNOW WILL BECOME MODERATE AT TIMES THIS AFTERNOON AND OVERNIGHT TONIGHT. BY MONDAY MORNING...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED...WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS BY LATER MONDAY MORNING. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-211900- /O.EXA.KMSO.WW.Y.0019.081221T1800Z-081222T1800Z/ KOOTENAI/CABINET REGION- 323 AM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY. SNOW WILL DEVELOP ACROSS NORTHWEST MONTANA THIS MORNING. SINCE TEMPERATURES WILL REMAIN QUITE COLD TOTAL ACCUMULATIONS OF 2 TO 5 INCHES OF FLUFFY SNOW CAN BE EXPECTED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-043-211900- /O.EXA.KMSO.WW.Y.0019.081221T1800Z-081222T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 323 AM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY. SNOW WILL DEVELOP ACROSS NORTHWEST MONTANA LATER THIS MORNING. SINCE TEMPERATURES WILL REMAIN QUITE COLD TOTAL ACCUMULATIONS OF 2 TO 5 INCHES OF FLUFFY SNOW CAN BE EXPECTED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ007-008-211900- /O.EXT.KMSO.WW.Y.0019.081221T1300Z-081222T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 223 AM PST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 5 AM EARLY THIS MORNING TO 10 AM PST MONDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 5 AM EARLY THIS MORNING TO 10 AM PST MONDAY. SNOW WILL DEVELOP ACROSS NORTH-CENTRAL IDAHO THIS MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. SOME HIGHER BENCH LOCATION COULD SEE UP TO 7 INCHES OF NEW SNOWFALL. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ004-211900- /O.EXT.KMSO.WW.Y.0019.081221T1500Z-081222T1800Z/ LOWER CLARK FORK REGION- 323 AM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 11 AM MST MONDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 8 AM THIS MORNING TO 11 AM MST MONDAY. SNOW WILL DEVELOP THIS MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 211853 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1153 AM MST SUN DEC 21 2008 IDZ005-006-MTZ006-220600- /O.CON.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1153 AM MST SUN DEC 21 2008 /1053 AM PST SUN DEC 21 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY. SNOW WILL CONTINUE ACROSS NORTH CENTRAL IDAHO AND INTO BITTERROOT MOUNTAINS OF WEST-CENTRAL WESTERN MONTANA THIS MORNING. SNOW WILL BECOME MODERATE AT TIMES THIS AFTERNOON AND OVERNIGHT TONIGHT. BY MONDAY MORNING...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED...WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS BY LATER MONDAY MORNING. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ009-010-220600- /O.EXA.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 1153 AM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR ACCUMULATING SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS CENTRAL IDAHO THIS MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ007-008-220600- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 1053 AM PST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY. SNOW WILL CONTINUE ACROSS NORTH-CENTRAL IDAHO THIS MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. SOME HIGHER BENCH LOCATION COULD SEE UP TO 7 INCHES OF NEW SNOWFALL. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ004-220600- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER CLARK FORK REGION- 1153 AM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE THIS MORNING AND INTENSIFY DURING THE AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-220600- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ KOOTENAI/CABINET REGION- 1153 AM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA THIS MORNING. SINCE TEMPERATURES WILL REMAIN QUITE COLD TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF FLUFFY SNOW CAN BE EXPECTED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-043-220600- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1153 AM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA LATER THIS MORNING. SINCE TEMPERATURES WILL REMAIN QUITE COLD TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF FLUFFY SNOW CAN BE EXPECTED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 220205 WSWMSO URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE MISSOULA MT 705 PM MST SUN DEC 21 2008 IDZ007-221200- /O.UPG.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ /O.EXA.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ OROFINO/GRANGEVILLE REGION- 605 PM PST SUN DEC 21 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 10 AM PST MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. SNOW WILL CONTINUE ACROSS NORTH-CENTRAL IDAHO TONIGHT AND INTENSIFY THROUGH MONDAY MORNING. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING...ALTHOUGH HIGHER AMOUNTS OF 6 TO 9 INCHES ARE EXPECTED MAINLY NORTH OF KOOSKIA. SOME HIGHER BENCH LOCATIONS COULD SEE UP TO 12 INCHES OF NEW SNOWFALL. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-221200- /O.CON.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 705 PM MST SUN DEC 21 2008 /605 PM PST SUN DEC 21 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY. SNOW WILL CONTINUE ACROSS NORTH CENTRAL IDAHO AND INTO THE BITTERROOT MOUNTAINS OF WEST-CENTRAL WESTERN MONTANA TONIGHT. SNOW WILL BECOME MODERATE AT TIMES THROUGHOUT THE NIGHT. BY MONDAY MORNING...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED...WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS BY LATER MONDAY MORNING. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ008-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 605 PM PST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY. SNOW WILL CONTINUE ACROSS NORTH-CENTRAL IDAHO TONIGHT AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. SOME HIGHER BENCH LOCATION COULD SEE UP TO 7 INCHES OF NEW SNOWFALL. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ004-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER CLARK FORK REGION- 705 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE TONIGHT AND INTENSIFY DURING OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ KOOTENAI/CABINET REGION- 705 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA TONIGHT. SINCE TEMPERATURES WILL REMAIN QUITE COLD...TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF FLUFFY SNOW CAN BE EXPECTED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-043-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 705 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA TONIGHT. SINCE TEMPERATURES WILL REMAIN QUITE COLD...TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF FLUFFY SNOW CAN BE EXPECTED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 705 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS CENTRAL IDAHO TONIGHT AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 220359 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 859 PM MST SUN DEC 21 2008 IDZ005>007-MTZ006-221200- /O.CON.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 859 PM MST SUN DEC 21 2008 /759 PM PST SUN DEC 21 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY. SNOW WILL CONTINUE ACROSS NORTH CENTRAL IDAHO AND INTO THE BITTERROOT MOUNTAINS OF WEST-CENTRAL WESTERN MONTANA TONIGHT. SNOW WILL BECOME MODERATE AT TIMES THROUGHOUT THE NIGHT. BY MONDAY MORNING...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED...WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS BY LATER MONDAY MORNING. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ007-221200- /O.EXA.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ BUTTE/BLACKFOOT REGION- 859 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS CENTRAL IDAHO AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-005-221200- /O.EXA.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 859 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS CENTRAL IDAHO TONIGHT AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. MOTORISTS SHOULD USE CAUTION DURING THE MORNING COMMUTE AS TRAVEL MAY BE DIFFICULT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ008-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 759 PM PST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY. SNOW WILL CONTINUE ACROSS NORTH-CENTRAL IDAHO TONIGHT AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. SOME HIGHER BENCH LOCATION COULD SEE UP TO 7 INCHES OF NEW SNOWFALL. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ004-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER CLARK FORK REGION- 859 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE TONIGHT AND INTENSIFY DURING OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOOKOUT PASS DURING THIS TIME. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ KOOTENAI/CABINET REGION- 859 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA OVERNIGHT. TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF SNOW CAN BE EXPECTED BY LATE MONDAY MORNING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-043-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 859 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA OVERNIGHT. TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF SNOW CAN BE EXPECTED BY LATE MONDAY MORNING...WITH LOCALLY HEAVIER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-221200- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 859 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS CENTRAL IDAHO AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING...WITH LOCALLY HEAVIER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 220501 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 957 PM MST SUN DEC 21 2008 IDZ005>007-MTZ006-221315- /O.COR.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 957 PM MST SUN DEC 21 2008 /857 PM PST SUN DEC 21 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY. SNOW WILL CONTINUE ACROSS NORTH CENTRAL IDAHO AND THE BITTERROOT MOUNTAINS OF WESTERN MONTANA TONIGHT. SNOW WILL BECOME MODERATE AT TIMES THROUGHOUT THE NIGHT. BY MONDAY MORNING...SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED...WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS BY LATER MONDAY MORNING. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ007-221315- /O.COR.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ BUTTE/BLACKFOOT REGION- 957 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS SOUTHWEST MONTANA AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-005-221315- /O.COR.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 957 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS WESTERN MONTANA AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. MOTORISTS SHOULD USE CAUTION DURING THE MORNING COMMUTE AS TRAVEL MAY BE DIFFICULT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ008-221315- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 857 PM PST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY. SNOW WILL CONTINUE ACROSS NORTH-CENTRAL IDAHO TONIGHT AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. SOME HIGHER BENCH LOCATION COULD SEE UP TO 7 INCHES OF NEW SNOWFALL. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ004-221315- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER CLARK FORK REGION- 957 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE TONIGHT AND INTENSIFY DURING OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOOKOUT PASS DURING THIS TIME. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-221315- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ KOOTENAI/CABINET REGION- 957 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA OVERNIGHT. TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF SNOW CAN BE EXPECTED BY LATE MONDAY MORNING...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-043-221315- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 957 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA OVERNIGHT. TOTAL ACCUMULATIONS OF 3 TO 6 INCHES OF SNOW CAN BE EXPECTED BY LATE MONDAY MORNING...WITH LOCALLY HEAVIER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-221315- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 957 PM MST SUN DEC 21 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. SNOW WILL CONTINUE ACROSS CENTRAL IDAHO AND INTENSIFY OVERNIGHT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE ANTICIPATED BY LATE MONDAY MORNING...WITH LOCALLY HEAVIER AMOUNTS POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 221045 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 345 AM MST MON DEC 22 2008 IDZ005>007-MTZ006-221800- /O.CON.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 345 AM MST MON DEC 22 2008 /245 AM PST MON DEC 22 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING. SNOW...MODERATE AT TIMES...WILL CONTINUE ACROSS NORTH CENTRAL IDAHO AND THE BITTERROOT MOUNTAINS OF WESTERN MONTANA THIS MORNING. SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED BY LATE MORNING WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ008-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 245 AM PST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. SNOW WILL CONTINUE ACROSS NORTH-CENTRAL IDAHO THIS MORNING WITH ACCUMULATIONS OF 2 TO 5 INCHES ANTICIPATED BY LATE MORNING. SOME HIGHER BENCH LOCATION COULD SEE UP TO 7 INCHES OF NEW SNOWFALL. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ004-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER CLARK FORK REGION- 345 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE TO FALL THROUGHOUT THE REGION THIS MORNING. STORM TOTAL ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER AMOUNTS ARE ANTICIPATED. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOOKOUT PASS DURING THIS TIME. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ KOOTENAI/CABINET REGION- 345 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE TO FALL ACROSS NORTHWEST MONTANA THIS MORNING WITH TOTAL ACCUMULATIONS OF 3 TO 6 INCHES EXPECTED BY LATE MORNING LOCALLY HIGHER AMOUNTS ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-043-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 345 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA THIS MORNING WITH TOTAL ACCUMULATIONS OF 3 TO 6 INCHES EXPECTED BY LATE MORNING. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 345 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE ACROSS EAST CENTRAL IDAHO THIS MORNING WITH TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ANTICIPATED BY LATE MORNING. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ007-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ BUTTE/BLACKFOOT REGION- 345 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE ACROSS SOUTHWEST MONTANA THIS MORNING WITH TOTAL ACCUMULATIONS OF 3 TO 6 INCHES ANTICIPATED BY LATE MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE IN UPSLOPE FAVORED LOCATIONS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-005-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 345 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE ACROSS WESTERN MONTANA THIS MORNING WITH TOTAL ACCUMULATIONS OF 3 TO 6 INCHES ANTICIPATED BY LATE MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE...ESPECIALLY ON THE FOOTHILLS AND BENCHES OF THE VALLEYS. MOTORISTS SHOULD USE CAUTION DURING THE MORNING COMMUTE AS TRAVEL WILL BE DIFFICULT ON SNOW COVERED ROADWAYS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 221646 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 946 AM MST MON DEC 22 2008 IDZ005>007-MTZ006-221800- /O.CON.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 946 AM MST MON DEC 22 2008 /846 AM PST MON DEC 22 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING. SNOW...MODERATE AT TIMES...WILL CONTINUE ACROSS NORTH CENTRAL IDAHO AND THE BITTERROOT MOUNTAINS OF WESTERN MONTANA THIS MORNING. SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED BY LATE MORNING WITH LOCALLY HIGHER AMOUNTS OVER AREA PEAKS. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOLO PASS DURING THIS TIME. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ010-MTZ007-043-230000- /O.EXT.KMSO.WW.Y.0019.000000T0000Z-081223T0000Z/ EASTERN LEMHI COUNTY-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 946 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. SNOW WILL CONTINUE ACROSS SOUTHWEST MONTANA TODAY WITH TOTAL ACCUMULATIONS OF 3 TO 7 INCHES ANTICIPATED BY LATE AFTERNOON. LOCALLY HIGHER AMOUNTS ARE POSSIBLE IN UPSLOPE FAVORED LOCATIONS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ008-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 846 AM PST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. SNOW WILL CONTINUE ACROSS NORTH-CENTRAL IDAHO THIS MORNING WITH ACCUMULATIONS OF 2 TO 5 INCHES ANTICIPATED BY LATE MORNING. SOME HIGHER BENCH LOCATION COULD SEE UP TO 7 INCHES OF NEW SNOWFALL. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ004-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER CLARK FORK REGION- 946 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE TO FALL THROUGHOUT THE REGION THIS MORNING. STORM TOTAL ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER AMOUNTS ARE ANTICIPATED. TRAVEL WILL BECOME PARTICULARLY HAZARDOUS OVER LOOKOUT PASS DURING THIS TIME. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ KOOTENAI/CABINET REGION- 946 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE TO FALL ACROSS NORTHWEST MONTANA THIS MORNING WITH TOTAL ACCUMULATIONS OF 3 TO 6 INCHES EXPECTED BY LATE MORNING LOCALLY HIGHER AMOUNTS ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WEST GLACIER REGION- 946 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE ACROSS NORTHWEST MONTANA THIS MORNING WITH TOTAL ACCUMULATIONS OF 3 TO 6 INCHES EXPECTED BY LATE MORNING. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WESTERN LEMHI COUNTY- 946 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE ACROSS EAST CENTRAL IDAHO THIS MORNING WITH TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ANTICIPATED BY LATE MORNING. LOCALLY HEAVIER AMOUNTS ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ003-005-221800- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 946 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW WILL CONTINUE ACROSS WESTERN MONTANA THIS MORNING WITH TOTAL ACCUMULATIONS OF 3 TO 6 INCHES ANTICIPATED BY LATE MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE...ESPECIALLY ON THE FOOTHILLS AND BENCHES OF THE VALLEYS. MOTORISTS SHOULD USE CAUTION DURING THE MORNING COMMUTE AS TRAVEL WILL BE DIFFICULT ON SNOW COVERED ROADWAYS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 221752 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1052 AM MST MON DEC 22 2008 IDZ005>007-MTZ006-221900- /O.EXP.KMSO.WS.W.0017.000000T0000Z-081222T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 1052 AM MST MON DEC 22 2008 /952 AM PST MON DEC 22 2008/ ...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST /10 AM PST/ THIS MORNING... THE WINTER STORM WARNING WILL EXPIRE AT 11 AM MST /10 AM PST/ THIS MORNING. SNOWFALL HAS TAPERED OFF THROUGHOUT THE WARNED AREA THIS MORNING. ADDITIONAL SNOWFALL IS POSSIBLE THROUGH THIS AFTERNOON AND EVENING...HOWEVER ACCUMULATIONS WILL BE LESS THAN A FEW INCHES DURING THIS TIME. $$ IDZ008-221900- /O.EXP.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 952 AM PST MON DEC 22 2008 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING. SNOWFALL HAS TAPERED OFF THROUGHOUT THE ADVISORY AREA THIS MORNING. ADDITIONAL SNOWFALL IS POSSIBLE THROUGH THIS AFTERNOON AND EVENING...HOWEVER ACCUMULATIONS WILL BE LESS THAN A FEW INCHES DURING THIS TIME. $$ MTZ004-221900- /O.EXP.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ LOWER CLARK FORK REGION- 1052 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. SNOWFALL HAS TAPERED OFF THROUGHOUT THE ADVISORY AREA THIS MORNING. ADDITIONAL SNOWFALL IS POSSIBLE THROUGH THIS AFTERNOON AND EVENING...HOWEVER ACCUMULATIONS WILL BE LESS THAN A FEW INCHES DURING THIS TIME. $$ MTZ001-221900- /O.EXP.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ KOOTENAI/CABINET REGION- 1052 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. SNOWFALL HAS TAPERED OFF THROUGHOUT THE ADVISORY AREA THIS MORNING. ADDITIONAL SNOWFALL IS POSSIBLE THROUGH THIS AFTERNOON AND EVENING...HOWEVER ACCUMULATIONS WILL BE LESS THAN A FEW INCHES DURING THIS TIME. $$ MTZ002-221900- /O.EXP.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WEST GLACIER REGION- 1052 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. SNOWFALL HAS TAPERED OFF THROUGHOUT THE ADVISORY AREA THIS MORNING. ADDITIONAL SNOWFALL IS POSSIBLE THROUGH THIS AFTERNOON AND EVENING...HOWEVER ACCUMULATIONS WILL BE LESS THAN A FEW INCHES DURING THIS TIME. $$ IDZ009-221900- /O.EXP.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ WESTERN LEMHI COUNTY- 1052 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. SNOWFALL HAS TAPERED OFF THROUGHOUT THE ADVISORY AREA THIS MORNING. ADDITIONAL SNOWFALL IS POSSIBLE THROUGH THIS AFTERNOON AND EVENING...HOWEVER ACCUMULATIONS WILL BE LESS THAN A FEW INCHES DURING THIS TIME. $$ MTZ003-005-221900- /O.EXP.KMSO.WW.Y.0019.000000T0000Z-081222T1800Z/ FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- 1052 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. SNOWFALL HAS TAPERED OFF THROUGHOUT THE ADVISORY AREA THIS MORNING. ADDITIONAL SNOWFALL IS POSSIBLE THROUGH THIS AFTERNOON AND EVENING...HOWEVER ACCUMULATIONS WILL BE LESS THAN A FEW INCHES DURING THIS TIME. $$ IDZ010-MTZ007-043-230000- /O.CON.KMSO.WW.Y.0019.000000T0000Z-081223T0000Z/ EASTERN LEMHI COUNTY-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 1052 AM MST MON DEC 22 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. SNOW WILL CONTINUE ACROSS SOUTHWEST MONTANA TODAY WITH TOTAL ACCUMULATIONS OF 3 TO 7 INCHES ANTICIPATED BY LATE AFTERNOON. LOCALLY HIGHER AMOUNTS ARE POSSIBLE IN UPSLOPE FAVORED LOCATIONS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY 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 Dec 20, 10:21 AM PST, 3 hours 14 minutes earlier.
Area forecast discussion, Dec 20, 10:21 AM PST, 3 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
1121 AM MST SAT DEC 20 2008
.DISCUSSION...CLOUD COVER IS GRADUALLY DISSIPATING FROM NORTH TO
SOUTH ACROSS THE NORTHERN ROCKIES THIS MORNING AS DRIER AIR
BRIEFLY MOVES INTO THE REGION. EXPECT THIS TREND TO CONTINUE...HOWEVER
SOME CLOUD COVER SHOULD LINGER FROM MISSOULA SOUTH ACROSS
SOUTHWEST MONTANA AND NORTH CENTRAL IDAHO. DESPITE THE CLEAR SKIES
ACROSS NORTHWEST MONTANA...VERY COLD TEMPERATURES WILL LINGER
THROUGH THE DAY AS DENSE...COLD ARCTIC AIR REMAINS TRAPPED IN THE
VALLEY LOCATIONS. IN FACT...MOST LOCATIONS ACROSS THE NORTHERN
ROCKIES WILL LIKELY STRUGGLE TO WARM INTO THE LOW TEENS.
&&
.AVIATION...CONDITIONS WILL CONTINUE TO IMPROVE THIS AFTERNOON AS
LOW CLOUDS AND SNOW SHOWERS DIMINISH. HOWEVER... MOISTURE WILL BE
SPREADING OVER IDAHO AND ADJACENT MONTANA MOUNTAINS AFTER MIDNIGHT
TONIGHT IN ADVANCE OF THE NEXT STORM SYSTEM. EXPECT HIGHER TERRAIN
TO BECOME OBSCURED ONCE AGAIN IN CLOUDS AND LIGHT PRECIPITATION BY
EARLY MORNING.
&&
.PREV DISCUSSION... /ISSUED 229 AM MST SAT DEC 20 2008/
DISCUSSION...NORTHWESTERLY FLOW ALOFT WITH A STRONG JET WILL
HELP MAINTAIN A RATHER COLD ATMOSPHERE OVER THE NORTHERN ROCKIES
TODAY. HIGH TEMPERATURES WILL ONLY MAKE IT INTO THE SINGLE DIGITS
ACROSS WESTERN MONTANA...WHILE NORTH-CENTRAL IDAHO WILL WARM INTO
THE TEENS AND LOW 20S. THERE IS JUST ENOUGH MOISTURE AVAILABLE IN
THE LOWER ATMOSPHERE FOR LIGHT SNOW SHOWERS...MOSTLY CONFINED TO
THE HIGHER TERRAIN OF WESTERN MONTANA.
TONIGHT...A WEAK AND TRANSITORY RIDGE OF HIGH PRESSURE MIGRATE
ACROSS THE REGION. INITIALLY...CONDITIONS WILL BE DRY AND STILL
QUITE COLD. HOWEVER...THE NEXT POTENT PACIFIC WEATHER SYSTEM WILL
BE QUICKLY APPROACHING FROM THE WEST. CLOUDS WILL BE INCREASING
WITH WEAK ISENTROPIC LIFT DEVELOPING OVER IDAHO AFTER MIDNIGHT.
THERE IS A POSSIBILITY FOR VERY LIGHT SNOW TO DEVELOP.
SUNDAY AND SUNDAY NIGHT...CONSIDERABLY MORE MOISTURE WILL SPREAD
INTO THE IDAHO PANHANDLE AND THE ADJACENT MONTANA MOUNTAINS AS THE
PACIFIC WEATHER SYSTEM NEARS THE INTER-MOUNTAIN REGION. ISENTROPIC
LIFT WILL ENHANCE THIS INFLUX OF MOISTURE PROVIDING MODERATE TO
HEAVY SNOWFALL TO THE HIGHER TERRAIN. A WINTER STORM WATCH HAS BEEN
ISSUED FOCUSING ON EXPECTED ACCUMULATING SNOWFALL. TEMPERATURES
WILL BE MODERATING DURING THIS PERIOD AS WARMER AIR IS PUMPED INTO
THE REGION AHEAD OF THE DEEP UPPER TROUGH TO THE WEST.
ON MONDAY THE UPPER LEVEL LOW WILL MOVE OVER IDAHO AND MONTANA
CONTINUING HEAVY SNOWFALL ACROSS THE REGION THROUGH AT LEAST
MIDDAY. MONDAY NIGHT THE STORM SYSTEM WILL MOVE INTO CENTRAL
MONTANA LEAVING WESTERN MONTANA UNDER THE INFLUENCE OF NORTHERLY
FLOW ALOFT ON THE BACKSIDE OF THE LOW. THE SIGNIFICANCE OF SUCH
POSITIONING WILL BE FELT BY YET ANOTHER...ALBEIT WEAKER...BLAST OF
COLD CANADIAN ARCTIC AIR. THIS INTRUSION OF BITTERLY COLD
TEMPERATURES APPEARS TO BE NOT NEARLY AS DEEP AND AS SUCH MUCH OF
THE COLDEST AIR WILL REMAIN EAST OF THE DIVIDE.
THE INTER-MOUNTAIN WEST WILL REMAIN UNDER NORTHWESTERLY FLOW ALOFT
FROM TUESDAY INTO EARLY WEDNESDAY. NUMERICAL MODELS TRADITIONALLY
UNDER PREFORM ON THE PRECIPITATION FORECAST UNDER SUCH A REGIME
AND HAVE THUS LEFT POPS REASONABLY HIGH. THE ATMOSPHERE WILL
REMAIN QUITE COLD WITH ONLY A FEW DEGREES MODERATION EXPECTED
BETWEEN TUESDAY AND WEDNESDAY...LARGELY FELT IN THE HIGHER
TERRAIN.
PROSPECTS ARE LOOKING QUITE GOOD FOR MANY LOCATIONS ACROSS CENTRAL
IDAHO AND WESTERN MONTANA TO BE GREETED BY A WHITE CHRISTMAS AS THE
NEXT STORM STILL APPEARS TO ENTER THE REGION CHRISTMAS MORNING.
FORECAST MODELS ARE GROWING MORE CONFIDENT IN THE PROSPECTS OF A SPLIT
FLOW ALOFT...WHICH WOULD DRAG MUCH OF THE MOISTURE AND DYNAMICS
WELL TO OUR SOUTH (THROUGH THE GREAT BASIN AND INTO THE DESERT
SOUTHWEST). HOWEVER WITH THIS BEING SAID...IT DOES APPEAR AS
THOUGH AT THE VERY LEAST THE NORTHERN ROCKIES WILL BE SUBJECT TO
CONVECTIVE SNOW SHOWERS FROM CHRISTMAS DAY THROUGH FRIDAY AS THE
COLDEST PART OF THE UPPER TROUGH MOVES OVERHEAD.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WATCH FROM LATE TONIGHT THROUGH MONDAY MORNING FOR
BITTERROOT/SAPPHIRE MOUNTAINS-LOWER CLARK FORK REGION.
ID...WINTER STORM WATCH FROM LATE TONIGHT THROUGH MONDAY MORNING FOR
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS.
&&
SHORT TERM...VIA
LONG TERM....MSJ
AVIATION...VIAHazardous weather outlook, Dec 20, 1:29 PM PST, 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 229 PM MST SAT DEC 20 2008 IDZ009-010-MTZ001>003-005-007-043-211200- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION- WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- POTOMAC/SEELEY LAKE REGION- 229 PM MST SAT DEC 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER EXPECTED DURING THIS PERIOD. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A MOIST PACIFIC SYSTEM WILL APPROACH THE AREA SUNDAY. ACCUMULATING SNOW IS POSSIBLE OVER NORTH CENTRAL IDAHO AND PORTIONS OF WESTERN MONTANA SUNDAY THROUGH MONDAY MORNING. ALSO...THE COLD AIR MASS WILL REMAIN IN PLACE...AND THUS ICE WILL CONTINUE TO BUILD UP IN AREA RIVERS AND STREAMS...RESULTING IN AN INCREASED THREAT OF ICE JAMS. FLOODING IS POSSIBLE WHEN ICE JAMS BREAK OR CAUSE WATER TO SPREAD OUT OF RIVER BANKS. .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 |
|---|---|---|---|---|
| Dec 20, 1:37 AM PST | Winter Storm Watch | MSO | Clearwater, Idaho | 12 hr |
| Dec 20, 1:35 PM PST | Winter Weather Advisory | MSO | Clearwater, Idaho, Lemhi | 50 hr |
Nearby
Winter Storm Warnings in Montana, 2008Winter Storm Warnings in Idaho, 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.