Alert archive / Montana / Winter Storm Warnings in 2008
Winter Storm Warning 20, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Dec 28, 2008, 6:45 PM PST for Clearwater County, Idaho County, Lemhi County, Idaho; 11 counties in Montana. It took effect at Dec 29, 2008, 3:38 AM PST. It was in force for 16 hr. 10 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 28, 2008, 6:45 PM PST (02:45 UTC)
- In effect from
- Dec 29, 2008, 3:38 AM PST
- Expired
- Dec 29, 2008, 7:43 PM PST
- In force
- 16 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Lemhi County, ID, 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, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 32 km from the middle of the area, began a volume at 02:45 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 29, 9:30 AM PST | HEAVY SNOW 7.6 | 4 Ene Corvallis, MT | 6 HOUR TOTAL |
| Dec 29, 9:30 AM PST | HEAVY SNOW 9.5 | Hamilton, MT | 6 HOUR TOTAL |
| Dec 29, 10:00 AM PST | HEAVY SNOW 6 | 12 Sw Hamilton, MT | 6 HOUR TOTAL |
| Dec 29, 10:30 AM PST | HEAVY SNOW 6 | Stevensville, MT | 6 HOUR TOTAL |
| Dec 29, 12:00 PM PST | HEAVY SNOW 6 | 3 E Florence, MT | 8 HOUR TOTAL |
| Dec 29, 1:30 PM PST | HEAVY SNOW 8 | Alberton, MT | |
| Dec 29, 3:00 PM PST | HEAVY SNOW 8.5 | Libby, MT | SEVERE DRIVING CONDITIONS REPORTED BY DOT ACROSS NORTHWEST MONTANA DUE TO SNOW AND BLOWING SNOW. |
| Dec 29, 4:05 PM PST | HEAVY SNOW 7.5 | Troy, MT | 19 MEASURED TOTAL DEPTH. |
| Dec 29, 5:50 PM PST | HEAVY SNOW 4 | 32 Ne Mackay, ID | MOONSHINE...ELEVATION 7440 FEET...24 HOUR TOTAL |
| Dec 29, 5:50 PM PST | HEAVY SNOW 8 | 37 Ne Mackay, ID | MEADOW LAKE...ELEVATION 9150 FEET...24 HOUR TOTAL |
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 00:00Z, 2.8 hours before the alert went out and 194 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
- 1229 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 246 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 290245 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 745 PM MST SUN DEC 28 2008 ...HEAVY SNOW LIKELY OVER THE MOUNTAINS MONDAY AND MONDAY NIGHT... .ANOTHER VERY MOIST AND DYNAMIC WEATHER PATTERN WILL MOVE OVER THE MOUNTAINS ALONG THE MONTANA-IDAHO BORDER MONDAY AND MONDAY NIGHT. THIS SYSTEM WILL PRODUCE HEAVY SNOW WHICH WILL SPREAD EASTWARD BEGINNING EARLY MONDAY MORNING IN CENTRAL IDAHO AND CONTINUING THROUGH WESTERN MONTANA THROUGHOUT THE DAY MONDAY INTO MONDAY NIGHT. TRAVEL ACROSS LOOKOUT...LOLO...MARIAS AND LOST TRAIL PASSES WILL BECOME EXTREMELY DIFFICULT. IDZ005-006-MTZ001-004-006-291230- /O.NEW.KMSO.WS.W.0020.081229T1200Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 745 PM MST SUN DEC 28 2008 /645 PM PST SUN DEC 28 2008/ ...WINTER STORM WARNING IN EFFECT FROM 5 AM MST /4 AM PST/ MONDAY TO 5 AM MST /4 AM PST/ TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 AM MST /4 AM PST/ MONDAY TO 5 AM MST /4 AM PST/ TUESDAY. MOST AREAS WILL RECEIVE 8 TO 12 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 16 INCHES IN THE MOUNTAINS. TRAVEL OVER LOOKOUT...LOLO AND LOST TRAIL PASSES WILL BE DIFFICULT. 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. $$ MTZ002-291230- /O.NEW.KMSO.WS.W.0020.081229T1200Z-081230T1200Z/ WEST GLACIER REGION- 745 PM MST SUN DEC 28 2008 ...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 AM MST /4 AM PST/ MONDAY TO 5 AM MST /4 AM PST/ TUESDAY. MOST AREAS WILL RECEIVE 8 TO 12 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 16 INCHES IN THE MOUNTAINS. TRAVEL OVER MARIAS PASS WILL BE DIFFICULT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ043-291230- /O.NEW.KMSO.WW.Y.0023.081229T1200Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 745 PM MST SUN DEC 28 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM MONDAY TO 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 5 AM MONDAY TO 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. 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. $$
7 follow-up statements
000 WWUS45 KMSO 291138 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 438 AM MST MON DEC 29 2008 ...HEAVY SNOW LIKELY OVER THE MOUNTAINS TODAY AND TONIGHT... .ANOTHER VERY MOIST AND DYNAMIC WEATHER SYSTEM WILL MOVE OVER THE MOUNTAINS ALONG THE MONTANA-IDAHO BORDER TODAY AND TONIGHT. THIS SYSTEM WILL BRING ANOTHER BOUT OF WARM PACIFIC AIR TO NORTH CENTRAL IDAHO AND SOUTHWEST MONTANA TODAY. THIS WILL CAUSE THE PRECIPITATION TO BECOME A MIX OR CHANGE OVER TO RAIN IN MANY VALLEYS OF NORTH CENTRAL IDAHO AND CENTRAL AND SOUTHWEST MONTANA. THE SNOW CHANGING TO RAIN THEN BACK TO SNOW WILL CAUSE SOME TRAVEL IMPACTS TODAY INTO THIS EVENING. WITH HEAVY SNOW AT THE HIGHER ELEVATIONS...TRAVEL ACROSS LOOKOUT...LOLO...MARIAS AND LOST TRAIL PASSES WILL BECOME EXTREMELY DIFFICULT. IDZ010-292000- /O.EXA.KMSO.WS.W.0020.081229T1200Z-081230T1200Z/ EASTERN LEMHI COUNTY- 438 AM MST MON DEC 29 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST TUESDAY ABOVE 6500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW ABOVE 6500 FEET INCLUDING ALL PASSES IN EASTERN LEMHI COUNTY...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. LOCATIONS ABOVE 6500 FEET WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 12 INCHES IN THE MOUNTAINS...INCLUDING LOST TRAIL PASS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ IDZ005-006-MTZ001-004-006-292000- /O.CON.KMSO.WS.W.0020.081229T1200Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 438 AM MST MON DEC 29 2008 /338 AM PST MON DEC 29 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY. MOST AREAS WILL RECEIVE 8 TO 12 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 16 INCHES IN THE MOUNTAINS...INCLUDING LOOKOUT...LOLO AND LOST TRAIL PASSES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-292000- /O.CON.KMSO.WS.W.0020.081229T1200Z-081230T1200Z/ WEST GLACIER REGION- 438 AM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 14 INCHES IN THE MOUNTAINS...INCLUDING MARIAS PASS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-292000- /O.EXB.KMSO.WW.Y.0023.081229T1200Z-081230T0600Z/ FLATHEAD/MISSION VALLEYS- 438 AM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 9 INCHES AROUND FLATHEAD LAKE. IN ADDITION...THE SNOW IS EXPECTED TO MIX WITH OR CHANGE OVER TO RAIN IN THE MISSION VALLEY LATE THIS MORNING. THIS MAY CAUSE SOME ADDITIONAL TRAVEL HAZARDS WITH RAIN FALLING ON NEW SNOW. 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. $$ MTZ005-292000- /O.EXB.KMSO.WW.Y.0023.081229T1200Z-081230T0600Z/ MISSOULA/BITTERROOT VALLEYS- 438 AM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR A MIX OF RAIN AND SNOW...CHANGING TO ALL SNOW BY THIS EVENING...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. MOST AREAS WILL RECEIVE 3 TO 5 INCHES...LOCALLY UP TO 7 INCHES ON THE BENCHES BY LATE THIS EVENING. IN ADDITION THE SNOW IS EXPECTED TO MIX WITH OR CHANGE OVER TO RAIN IN THE BITTERROOT AND MISSOULA VALLEYS BY MID MORNING...THEN BACK TO SNOW THIS EVENING. THIS MAY CAUSE ADDITIONAL TRAVEL HAZARDS WITH RAIN FALLING ON FRESH SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...OR MIXED RAIN AND SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ007-292000- /O.EXA.KMSO.WW.Y.0023.081229T1200Z-081230T1200Z/ BUTTE/BLACKFOOT REGION- 438 AM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY FOR GEORGETOWN LAKE AND LOCATIONS ALONG AND NORTH OF GARRISON JUNCTION... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...MAINLY AFFECTING THE GEORGETOWN LAKE AND LOCATIONS NORTH OF GARRISON JUNCTION...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION THE SNOW IS EXPECTED TO MIX WITH OR CHANGE OVER TO RAIN BY MID MORNING...THEN BACK TO SNOW THIS EVENING. THIS MAY CAUSE ADDITIONAL TRAVEL HAZARDS WITH RAIN FALLING ON FRESH SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...OR RAIN MIXED WITH SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ043-292000- /O.CON.KMSO.WW.Y.0023.081229T1200Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 438 AM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 291458 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 758 AM MST MON DEC 29 2008 MTZ005-292300- /O.UPG.KMSO.WW.Y.0023.000000T0000Z-081230T0600Z/ /O.EXB.KMSO.WS.W.0020.000000T0000Z-081230T0600Z/ MISSOULA/BITTERROOT VALLEYS- 758 AM MST MON DEC 29 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. A WINTER STORM WILL PRODUCE 6 TO 9 INCHES THROUGH LATE THIS EVENING. STEADY SNOW THROUGH EARLY AFTERNOON WILL TRANSITION TO MORE SHOWERY PRECIPITATION LATE AFTERNOON AND THIS EVENING. IN ADDITION...STRONG AND GUSTY WEST WINDS MAY DEVELOP THIS EVENING AS A COLD FRONT SHIFTS ACROSS THE AREA. THESE WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW AS WELL AS FALLING TEMPERATURES AND FURTHER ICING OF ROADWAYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AREAS OF BLOWING SNOW CAN BE EXPECTED OR WILL OCCUR. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ001-004-006-292300- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 758 AM MST MON DEC 29 2008 /658 AM PST MON DEC 29 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY. MOST AREAS WILL RECEIVE 8 TO 12 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 16 INCHES IN THE MOUNTAINS...INCLUDING LOOKOUT...LOLO AND LOST TRAIL PASSES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-292300- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ WEST GLACIER REGION- 758 AM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 14 INCHES IN THE MOUNTAINS...INCLUDING MARIAS PASS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ IDZ010-292300- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ EASTERN LEMHI COUNTY- 758 AM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY ABOVE 6500 FEET... A WINTER STORM WARNING ABOVE 6500 FEET REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. LOCATIONS ABOVE 6500 FEET WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 12 INCHES IN THE MOUNTAINS...INCLUDING LOST TRAIL PASS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-292300- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T0600Z/ FLATHEAD/MISSION VALLEYS- 758 AM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 9 INCHES AROUND FLATHEAD LAKE. IN ADDITION...THE SNOW IS EXPECTED TO MIX WITH OR CHANGE OVER TO RAIN IN THE MISSION VALLEY LATE THIS MORNING. THIS MAY CAUSE SOME ADDITIONAL TRAVEL HAZARDS WITH RAIN FALLING ON NEW SNOW. 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. $$ MTZ043-292300- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 758 AM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ007-292300- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ BUTTE/BLACKFOOT REGION- 758 AM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION THE SNOW IS EXPECTED TO MIX WITH OR CHANGE OVER TO RAIN BY MID MORNING...THEN BACK TO SNOW THIS EVENING. THIS MAY CAUSE ADDITIONAL TRAVEL HAZARDS WITH RAIN FALLING ON FRESH SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...OR RAIN MIXED WITH SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 292147 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 247 PM MST MON DEC 29 2008 MTZ007-300600- /O.UPG.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ /O.EXA.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ BUTTE/BLACKFOOT REGION- 247 PM MST MON DEC 29 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ005-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T0600Z/ MISSOULA/BITTERROOT VALLEYS- 247 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. A WINTER STORM WILL PRODUCE 6 TO 9 INCHES THROUGH LATE THIS EVENING. STEADY SNOW THROUGH EARLY AFTERNOON WILL TRANSITION TO MORE SHOWERY PRECIPITATION LATE AFTERNOON AND THIS EVENING. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AREAS OF BLOWING SNOW CAN BE EXPECTED OR WILL OCCUR. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ001-004-006-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 247 PM MST MON DEC 29 2008 /147 PM PST MON DEC 29 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY. MOST AREAS WILL RECEIVE 8 TO 12 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 16 INCHES IN THE MOUNTAINS...INCLUDING LOOKOUT...LOLO AND LOST TRAIL PASSES. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ WEST GLACIER REGION- 247 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 14 INCHES IN THE MOUNTAINS...INCLUDING MARIAS PASS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ IDZ010-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ EASTERN LEMHI COUNTY- 247 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY ABOVE 6500 FEET... A WINTER STORM WARNING ABOVE 6500 FEET REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. LOCATIONS ABOVE 6500 FEET WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 12 INCHES IN THE MOUNTAINS...INCLUDING LOST TRAIL PASS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-300600- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T0600Z/ FLATHEAD/MISSION VALLEYS- 247 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 9 INCHES AROUND FLATHEAD LAKE. IN ADDITION...THE SNOW IS EXPECTED TO MIX WITH OR CHANGE OVER TO RAIN IN THE MISSION VALLEY LATE THIS MORNING. THIS MAY CAUSE SOME ADDITIONAL TRAVEL HAZARDS WITH RAIN FALLING ON NEW SNOW. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. 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. $$ MTZ043-300600- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 247 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 292159 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 254 PM MST MON DEC 29 2008 MTZ007-300615- /O.UPG.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ /O.COR.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ BUTTE/BLACKFOOT REGION- 254 PM MST MON DEC 29 2008 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. MOST AREAS WILL RECEIVE 4 TO 7 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. 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. $$ MTZ005-300600- /O.COR.KMSO.WS.W.0020.000000T0000Z-081230T0600Z/ MISSOULA/BITTERROOT VALLEYS- 254 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. A WINTER STORM WILL PRODUCE TOTAL SNOW ACCUMULATIONS OF 6 TO 9 INCHES THROUGH LATE THIS EVENING. STEADY SNOW THROUGH EARLY AFTERNOON WILL TRANSITION TO MORE SHOWERY PRECIPITATION LATE AFTERNOON AND THIS EVENING. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AREAS OF BLOWING SNOW CAN BE EXPECTED OR WILL OCCUR. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ001-004-006-300615- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 254 PM MST MON DEC 29 2008 /154 PM PST MON DEC 29 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY. MOST AREAS WILL RECEIVE 8 TO 12 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 16 INCHES IN THE MOUNTAINS...INCLUDING LOOKOUT...LOLO AND LOST TRAIL PASSES. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-300615- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ WEST GLACIER REGION- 254 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 14 INCHES IN THE MOUNTAINS...INCLUDING MARIAS PASS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ IDZ010-300615- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ EASTERN LEMHI COUNTY- 254 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY ABOVE 6500 FEET... A WINTER STORM WARNING ABOVE 6500 FEET REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. LOCATIONS ABOVE 6500 FEET WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 12 INCHES IN THE MOUNTAINS...INCLUDING LOST TRAIL PASS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-300600- /O.COR.KMSO.WW.Y.0023.000000T0000Z-081230T0600Z/ FLATHEAD/MISSION VALLEYS- 254 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. MOST AREAS WILL RECEIVE 4 TO 7 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 9 INCHES AROUND FLATHEAD LAKE. IN ADDITION...THE SNOW IS EXPECTED TO MIX WITH OR CHANGE OVER TO RAIN IN THE MISSION VALLEY LATE THIS MORNING. THIS MAY CAUSE SOME ADDITIONAL TRAVEL HAZARDS WITH RAIN FALLING ON NEW SNOW. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ043-300615- /O.COR.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 254 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. 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. $$
000 WWUS45 KMSO 292204 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 304 PM MST MON DEC 29 2008 MTZ005-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T0600Z/ MISSOULA/BITTERROOT VALLEYS- 304 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. A WINTER STORM WILL PRODUCE TOTAL SNOW ACCUMULATIONS OF 6 TO 9 INCHES THROUGH LATE THIS EVENING. STEADY SNOW THROUGH EARLY AFTERNOON WILL TRANSITION TO MORE SHOWERY PRECIPITATION LATE AFTERNOON AND THIS EVENING. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AREAS OF BLOWING SNOW CAN BE EXPECTED OR WILL OCCUR. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ001-004-006-300615- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 304 PM MST MON DEC 29 2008 /204 PM PST MON DEC 29 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY. MOST AREAS WILL RECEIVE 8 TO 12 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 16 INCHES IN THE MOUNTAINS...INCLUDING LOOKOUT...LOLO AND LOST TRAIL PASSES. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-300615- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ WEST GLACIER REGION- 304 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 14 INCHES IN THE MOUNTAINS...INCLUDING MARIAS PASS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ007-300615- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ BUTTE/BLACKFOOT REGION- 304 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. 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. $$ IDZ010-300615- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ EASTERN LEMHI COUNTY- 304 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY ABOVE 6500 FEET... A WINTER STORM WARNING ABOVE 6500 FEET REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. LOCATIONS ABOVE 6500 FEET WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 12 INCHES IN THE MOUNTAINS...INCLUDING LOST TRAIL PASS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-300600- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T0600Z/ FLATHEAD/MISSION VALLEYS- 304 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY MONDAY EVENING...WITH LOCALLY HIGHER AMOUNTS UP TO 9 INCHES AROUND FLATHEAD LAKE. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. 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. $$ MTZ043-300615- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 304 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 292342 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 442 PM MST MON DEC 29 2008 MTZ005-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T0600Z/ MISSOULA/BITTERROOT VALLEYS- 442 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. A STRONG COLD FRONT HAS PASSED THE MISSOULA AND BITTERROOT VALLEYS AND HIGH WINDS HAVE DEVELOPED. POWER OUTAGES...BROKEN BRANCHES AND DOWNED TREES WILL BE COMMON THROUGHOUT THE AREA THROUGH EARLY EVENING. REPORTS OF WINDS ESTIMATED AT 50 MPH HAVE BEEN COMMON. BLOWING SNOW...REDUCING VISIBILITY TO ONE QUARTER OF A MILE OR LESS...AND CROSS-WINDS ON AREA ROADS WILL MAKE TRAVEL HAZARDOUS THROUGH EARLY EVENING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AREAS OF BLOWING SNOW AND HIGH WINDS CAN BE EXPECTED OR WILL OCCUR. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ001-004-006-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 442 PM MST MON DEC 29 2008 /342 PM PST MON DEC 29 2008/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ TUESDAY. A STRONG COLD FRONT HAS PASSED THROUGH THE AREA WITH STRONG WINDS AND AREAS OF BLOWING SNOW. WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH WILL CONTINUE THROUGH MID-EVENING. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE WITH BLOWING AND DRIFTING SNOW OF SNOW. BROKEN TREE BRANCHES MAY DAMAGE POWER LINES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED...ALONG WITH HIGH WINDS AND AREAS OF SEVERE BLOWING SNOW. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ WEST GLACIER REGION- 442 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 14 INCHES IN THE MOUNTAINS...INCLUDING MARIAS PASS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ007-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ BUTTE/BLACKFOOT REGION- 442 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 25 TO 35 MPH GUSTING UP TO 60 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE FOR A TIME...WITH BLOWING AND DRIFTING SNOW. POWER OUTAGES ARE POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ010-300600- /O.CON.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ EASTERN LEMHI COUNTY- 442 PM MST MON DEC 29 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY ABOVE 6500 FEET... A WINTER STORM WARNING ABOVE 6500 FEET REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. LOCATIONS ABOVE 6500 FEET WILL RECEIVE 6 TO 10 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS TO 12 INCHES IN THE MOUNTAINS...INCLUDING LOST TRAIL PASS. IN ADDITION...A STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING... WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 50 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY TO LESS THAN ONE QUARTER MILE. POWER OUTAGES ARE POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-300600- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T0600Z/ FLATHEAD/MISSION VALLEYS- 442 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. MOST AREAS WILL RECEIVE 4 TO 7 INCHES INCHES OF NEW SNOW BY MONDAY EVENING...WITH LOCALLY HIGHER AMOUNTS UP TO 9 INCHES AROUND FLATHEAD LAKE. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ043-300600- /O.CON.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 442 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY. MOST AREAS WILL RECEIVE 4 TO 7 INCHES OF NEW SNOW BY TUESDAY MORNING...WITH LOCALLY HIGHER AMOUNTS UP TO 10 INCHES IN THE MOUNTAINS. IN ADDITION...A POWERFUL STRONG COLD FRONT WILL MOVE THROUGH THE AREA DURING THIS EVENING...WITH WEST WINDS 15 TO 25 MPH GUSTING UP TO 40 MPH FOR A TIME. THE COMBINATION OF SNOW AND WIND MAY REDUCE VISIBILITY FOR A TIME...WITH BLOWING AND DRIFTING SNOW. 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. $$
000 WWUS45 KMSO 300343 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 843 PM MST MON DEC 29 2008 IDZ005-006-010-MTZ001-002-004-006-007-300445- /O.CAN.KMSO.WS.W.0020.000000T0000Z-081230T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION- 843 PM MST MON DEC 29 2008 /743 PM PST MON DEC 29 2008/ ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. GUSTY WINDS WILL CONTINUE TONIGHT PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. SNOW BANDS ARE MOVING ACROSS WESTERN MONTANA AND SOME AREAS COULD PICK UP AN INCH OR 2 OF SNOW UNDER ONE OF THESE BANDS. HOWEVER...THE WIDESPREAD SNOWFALL HAS ENDED. $$ MTZ005-300445- /O.CAN.KMSO.WS.W.0020.000000T0000Z-081230T0600Z/ MISSOULA/BITTERROOT VALLEYS- 843 PM MST MON DEC 29 2008 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. GUSTY WINDS WILL CONTINUE TONIGHT PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. SNOW BANDS ARE MOVING ACROSS WESTERN MONTANA AND SOME AREAS COULD PICK UP AN INCH OR 2 OF SNOW UNDER ONE OF THESE BANDS. HOWEVER...THE WIDESPREAD SNOWFALL HAS ENDED. $$ MTZ003-300445- /O.CAN.KMSO.WW.Y.0023.000000T0000Z-081230T0600Z/ FLATHEAD/MISSION VALLEYS- 843 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. GUSTY WINDS WILL CONTINUE TONIGHT PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. SNOW BANDS ARE MOVING ACROSS WESTERN MONTANA AND SOME AREAS COULD PICK UP AN INCH OR 2 OF SNOW UNDER ONE OF THESE BANDS. HOWEVER...THE WIDESPREAD SNOWFALL HAS ENDED. $$ MTZ043-300445- /O.CAN.KMSO.WW.Y.0023.000000T0000Z-081230T1200Z/ POTOMAC/SEELEY LAKE REGION- 843 PM MST MON DEC 29 2008 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. GUSTY WINDS WILL CONTINUE TONIGHT PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. SNOW BANDS ARE MOVING ACROSS WESTERN MONTANA AND SOME AREAS COULD PICK UP AN INCH OR 2 OF SNOW UNDER ONE OF THESE BANDS. HOWEVER...THE WIDESPREAD SNOWFALL HAS ENDED. $$
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 28, 3:36 PM PST, 3 hours 9 minutes earlier.
Area forecast discussion, Dec 28, 3:36 PM PST, 3 hours 9 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 436 PM MST SUN DEC 28 2008 .UPDATE...CANCELLED ALL WINTER STORM WARNINGS AND WINTER WEATHER ADVISORY. && .DISCUSSION...WIDESPREAD MODERATE TO HEAVY SNOW HAS TAPERED OFF TO SCATTERED MOUNTAIN SNOW SHOWERS. EXPECT LOCALLY AN ADDTIONAL 1-3 INCHES OF SNOW...MAINLY IMPACTING LOLO...LOOKOUT AND LOST TRAIL PASSES. PRECIPITATION IS MAINLY ALL RAIN BELOW 6000 FEET IN THE BUTTE/PINTLAR REGION. SOME COOLER TEMPERATURES BEHIND THE COLD FRONT ARE EXPECTED TONIGHT BUT ONLY SCATTERED SHOWERS ARE EXPECTED. ANOTHER VERY MOIST AND STRONG WINTER WEATHER SYSTEM WILL ENTER THE REGION MONDAY FOR ANOTHER ROUND OF PREDOMINATELY OROGRAPHICALLY DRIVEN HEAVY MOUNTAIN SNOWS. A NEW WINTER STORM WARNING WARNING FOR MONDAY AND MONDAY NIGHT WILL BE ISSUED THIS EVENING. && .AVIATION...A STRONG PACIFIC JET STREAM WILL CONTINUE TO AFFECT REGIONAL TERMINAL WEATHER DURING THE NEXT 24 HOURS. KBTM...KMSO AND KSMN WILL SEE WEST WINDS AROUND 15-20 MPH WITH GUSTS OF 25-35 MPH THROUGH 8 PM MST. AFTER 10Z...FLIGHT CONDITIONS AT ALL REGIONAL TERMINALS ARE ANTICIPATED TO DETERIORATE TO MVFR FOR SNOW...CEILINGS...AND VISIBILITY AND PREVAIL BEYOND THE END OF THE 24 HOUR PERIOD. && .PREV DISCUSSION... /ISSUED 332 PM MST SUN DEC 28 2008/ UPDATE...INCREASED WIND AND WIND GUSTS FOR THE REST OF THIS AFTERNOON AND EARLY EVE FOR MISSOULA VALLEY...BUTTE AND GRANGEVILLE REGIONS DISCUSSION...WIND GUSTS IN THE MID 30S ARE BEING REPORTED IN MANY VALLEY AREAS OF WEST CENTRAL AND SOUTHWEST MONTANA AS WELL AS THE GRANGEVILLE REGION. MID LEVEL WINDS AROUND 40-50 KNOTS ARE BEING MIXED TO THE SURFACE RESULTING IN HIGH GUSTS...JUST UNDER ADVISORY CRITERIA. THESE SUSTAINED WINDS AND GUSTS ARE EXPECTED TO CONTINUE THROUGH 7 OR 8 PM. AVIATION...A STRONG PACIFIC JET STREAM WILL CONTINUE TO AFFECT REGIONAL TERMINAL WEATHER DURING THE NEXT 24 HOURS. KBTM...KMSO AND KSMN WILL SEE WEST WINDS AROUND 15-20 MPH WITH GUSTS OF 25-35 MPH THROUGH 8 PM MST. AFTER 10Z...FLIGHT CONDITIONS AT ALL REGIONAL TERMINALS ARE ANTICIPATED TO DETERIORATE TO MVFR FOR SNOW...CEILINGS...AND VISIBILITY AND PREVAIL BEYOND THE END OF THE 24 HOUR PERIOD. PREV DISCUSSION... /ISSUED 242 PM MST SUN DEC 28 2008/ DISCUSSION... TONIGHT THROUGH MONDAY NIGHT...THE MAIN WEATHER RELATED IMPACTS ANTICIPATED DURING THE SHORT TERM FORECAST PERIODS ARE HEAVY MOUNTAIN SNOW AND RAINFALL ON EXISTING SNOW. STRONG WESTERLY FLOW NEAR RIDGE TOP LEVEL WILL LIKELY SUBSIDE OVERNIGHT TONIGHT...WITH THE CURRENT RAIN-SNOW MIX TO DISSIPATE AND TEMPERATURES TO COOL FROM THE EXCEPTIONALLY WARM READINGS DURING EARLIER TODAY. RAINFALL ON EXISTING SNOW MAY MAKE TRAVEL DIFFICULT IN PORTIONS OF THE REGION...WITH TEMPERATURES AND ROADWAYS DROPPING BACK BELOW FREEZING. BY MONDAY MORNING...SNOW LEVELS ARE ANTICIPATED TO DROP IN ADVANCE OF ANOTHER ROUND OF THE PACIFIC JET STREAM OVER THE REGION. WESTERLY FLOW WILL INCREASE THROUGHOUT THE EARLY MORNING HOURS...ACCOMPANIED BY ABUNDANT PACIFIC MOISTURE. HEAVY SNOW ACCUMULATIONS ARE EXPECTED IN THE HIGHER TERRAIN...WITH LESSER AMOUNTS WITHIN AREA BROAD VALLEYS...EXCEPT THE FLATHEAD AND MISSION VALLEYS. THE PACIFIC NATURE OF THIS MONDAY WINTER EVENT WILL KEEP TEMPERATURES FROM COOLING TO ARCTIC TYPE READINGS. SINCE WINTER WEATHER HIGHLIGHTS ARE STILL IN EFFECT THROUGH LATE THIS AFTERNOON FOR PORTIONS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO...SPECIFIC WINTER WEATHER HIGHLIGHTS FOR MONDAY WILL LIKELY BE ISSUED THIS EVENING. TUESDAY THROUGH SUNDAY...SNOW SHOWERS...MAINLY IN THE MOUNTAINS... WILL TAKE US THROUGH TUESDAY AND INTO EARLY WEDNESDAY. A MOIST SHORTWAVE TROUGH CONTINUES TO BE THE FOCUS FOR NEW YEARS EVE AND NEW YEARS DAY. THE SHORTWAVE TROUGH WILL APPROACH THE REGION EARLY WEDNESDAY AND WILL PASS TO THE EAST ON THURSDAY. THERE WILL BE ENOUGH LIFT AND MOISTURE WITH THIS SYSTEM THAT WINTER WEATHER HIGHLIGHTS ARE LIKELY FOR AT LEAST THE HIGHER TERRAIN OF CENTRAL IDAHO AND WESTERN MONTANA. MOST OF THE PASSES ALONG THE IDAHO/MONTANA BORDER WILL BE AFFECTED BY THIS SYSTEM WITH TRAVEL DIFFICULTIES ANTICIPATED. MANY OF THE LOWER ELEVATIONS WILL HAVE RISING SNOW LEVELS WEDNESDAY MORNING AS THE ASSOCIATED WARM FRONT PASSES...BUT THE JET SHOULD BE FAR ENOUGH TO THE SOUTH TO KEEP THESE LOCATIONS FROM STARTING AS RAIN...ALTHOUGH...RAIN IS A POSSIBILITY. WILL CONTINUE TO MONITOR LATEST MODELS OUTPUTS FOR MORE INSIGHT TO THE PRECIP TYPE. THE ACTIVE PATTERN WILL CONTINUE THROUGH THE COMING WEEKEND WITH NUMEROUS DISTURBANCES DEPICTED BY EXTENDED MODEL GUIDANCE. TIMING IS NOT COMPLETELY IN LINE FOR THESE STORMS...BUT EXPECT THE MOIST PATTERN TO CONTINUE. AVIATION... && .MSO WATCHES/WARNINGS/ADVISORIES... MT...NONE. ID...NONE. && SHORT TERM...RPN LONG TERM....ZUMPFE AVIATION...RPN
Hazardous weather outlook, Dec 28, 7:21 AM PST, 11 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 821 AM MST SUN DEC 28 2008 IDZ009-010-290000- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 821 AM MST SUN DEC 28 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO. .DAY ONE...TODAY AND TONIGHT A WARM MOIST WEATHER SYSTEM WILL CONTINUE TO AFFECT LEMHI COUNTY. THIS SYSTEM WILL BE CAPABLE OF PRODUCING WIDESPREAD SNOW WITH ACCUMULATIONS OF 1 TO 2 INCHES POSSIBLE. LOCALLY HIGHER AMOUNTS UP TO 6 INCHES ARE POSSIBLE OVER LOST TRAIL PASS. AS A RESULT...TRAVEL OVER LOST TRAIL PASS WILL BE DIFFICULT AT TIMES. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A CONTINUED WET WEEK IS EXPECTED AS MOIST WESTERLY FLOW ALOFT WILL CONTINUE THROUGH FRIDAY. .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 29, 11:53 AM PST | Wind Advisory | MSO | Clearwater, Idaho | 9 hr |
| Dec 28, 6:45 PM PST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 25 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.