Alert archive / Montana / Winter Storm Warnings in 2009
Winter Storm Warning 7, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Feb 25, 2009, 4:32 AM MST for 11 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Feb 25, 2009, 10:00 AM MST. It was in force for 37 hr. 32 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
- Feb 25, 2009, 4:32 AM MST (11:32 UTC)
- In effect from
- Feb 25, 2009, 10:00 AM MST
- Expired
- Feb 26, 2009, 11:00 PM MST
- In force
- 37 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho 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), 22 km from the middle of the area, began a volume at 11:34 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 |
|---|---|---|---|
| Feb 26, 9:09 AM MST | SNOW 1.6 | Evaro, MT | |
| Feb 26, 9:09 AM MST | HEAVY SNOW 2 | 4 Ene Corvallis, MT | SNOW FELL IN 90 MINUTES |
| Feb 26, 9:09 AM MST | SNOW 2 | Libby, MT | |
| Feb 26, 9:09 AM MST | HEAVY SNOW 7 | 2 W Columbia Falls, MT | |
| Feb 26, 9:09 AM MST | HEAVY SNOW 8 | 5 N Bigfork, MT | |
| Feb 26, 9:33 AM MST | SNOW 2 | Olney, MT | |
| Feb 26, 9:33 AM MST | SNOW 2.5 | Elk City, ID | |
| Feb 26, 9:33 AM MST | SNOW 2.7 | 1 Se Marion, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 2.9 | 4 Nw Noxon, MT | SNOW FELL AT ABOUT 1 INCH AN HOUR |
| Feb 26, 9:33 AM MST | HEAVY SNOW 4 | Charlo, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 4 | Hamilton, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 4 | Happys Inn, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 4.3 | 3 Ene Bigfork, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 4.5 | 1 N Dixie Coop Dxei1, ID | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 5.5 | 9 Wnw Columbia Falls, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 5.6 | Kila, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 7 | 10 Nnw Libby, MT | VALID AT 10 AM MST |
| Feb 26, 9:33 AM MST | HEAVY SNOW 7.5 | Swan Lake, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 8 | 1 N Polebridge, MT | |
| Feb 26, 9:33 AM MST | HEAVY SNOW 16 | 10 Nnw Haugan, MT | VALID AT 9AM MST |
| Feb 26, 11:12 AM MST | HEAVY SNOW 5 | Ronan, MT | SNOW FALLING AT 1 INCH AN HOUR |
| Feb 26, 11:12 AM MST | HEAVY SNOW 7 | Libby, MT | SNOWING AT A RATE OF 1 INCH AN HOUR |
| Feb 26, 11:12 AM MST | HEAVY SNOW 8 | Libby, MT | |
| Feb 26, 11:12 AM MST | HEAVY SNOW 11.5 | Libby, MT | |
| Feb 26, 2:00 PM MST | HEAVY SNOW 7 | Sw Condon, MT | REPORT FROM LINDBERGH LAKE ROAD |
| Feb 26, 2:00 PM MST | HEAVY SNOW 7.5 | 8 Se Condon, MT | REPORTED FROM HOLLAND LAKE ROAD |
| Feb 26, 2:00 PM MST | HEAVY SNOW 8 | Charlo, MT | 4 INCHES ADDITIONAL SNOW ACCUMULATION SINCE THIS MORNING. |
| Feb 26, 4:11 PM MST | HEAVY SNOW 6 | Saint Ignatius, MT | |
| Feb 26, 5:00 PM MST | HEAVY SNOW 8 | Columbia Falls, MT | |
| Feb 26, 5:00 PM MST | HEAVY SNOW 13 | 9 S Woods Bay, MT | REPORTED FROM YELLOW BAY,7 INCHES OF NEW SNOW AT 1030AM THEN AN ADDITIONAL 6 INCHES SINCE THEN, BRINGING THE TOTAL TO 13 INCHES SO FAR FOR THE EVENT. |
| Feb 26, 6:36 PM MST | HEAVY SNOW 7 | Evaro, MT | 1 INCH NEW SNOW BEFORE 1130AM THEN 6 ADDITIONAL INCHES FROM 1130AM TO 530PM TODAY. |
| Feb 26, 7:30 PM MST | HEAVY SNOW 14 | 5 N Bigfork, MT | RECIEVED 8 INCHES OF SNOW THIS MORNING AND SINCE LAST REPORT UNTIL 730PM RECIEVED AN ADDITIONAL 6 INCHES NEW SNOW |
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, 11.5 hours before the alert went out and 185 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
- 35 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 101 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 251132 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 432 AM MST WED FEB 25 2009 .AN ARCTIC AIRMASS WILL MOVE INTO NORTHWEST MONTANA THIS AFTERNOON AND EVENING. A MOIST SOUTHWESTERLY UPPER LEVEL FLOW WILL RIDE UP OVER THIS AIRMASS AND HAS THE POTENTIAL TO CREATE HAZARDOUS WINTER WEATHER CONDITIONS DUE TO ACCUMULATING SNOW AND REDUCED VISIBILITIES FROM AREAS OF BLOWING SNOW. THE AREAS EXPECTED TO BE MOST IMPACTED BY THIS WILL BE LOCATIONS ALONG AND NORTH OF HIGHWAY 2...THE FLATHEAD VALLEY...GLACIER NATIONAL PARK REGION AND THE SEELEY AND SWAN REGIONS. MTZ002-003-251945- /O.UPG.KMSO.WS.A.0004.090225T2100Z-090226T1200Z/ /O.NEW.KMSO.WS.W.0007.090225T2100Z-090226T1200Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 432 AM MST WED FEB 25 2009 ...WINTER STORM WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE NORTHERN FLATHEAD VALLEY...AND 6 TO 12 INCHES FOR THE GLACIER PARK REGION...ARE ANTICIPATED BY THURSDAY MORNING. IN ADDITION TO SNOW...LOCALLY STRONG EAST WINDS ALONG THE HIGHWAY 2 CORRIDOR WILL CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ MTZ001-251945- /O.UPG.KMSO.WS.A.0004.090225T2100Z-090226T1200Z/ /O.NEW.KMSO.WS.W.0007.090225T2100Z-090226T1200Z/ KOOTENAI/CABINET REGION- 432 AM MST WED FEB 25 2009 ...WINTER STORM WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE...MAINLY NORTH OF THE HIGHWAY 2 CORRIDOR...BY THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ006-MTZ006-251245- /O.CON.KMSO.WS.W.0006.000000T0000Z-090225T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 432 AM MST WED FEB 25 2009 /332 AM PST WED FEB 25 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ EARLY THIS MORNING ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ EARLY THIS MORNING. ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES WITH TOTAL SNOW ACCUMULATIONS OF 8 TO 14 INCHES CAN BE EXPECTED ALONG HIGHWAY 12 OVER LOLO PASS...WITH HIGHER AMOUNTS LIKELY IN NEARBY MOUNTAINS THROUGH EARLY THIS MORNING. GUSTY WINDS WILL ALSO BE PRESENT AT TIMES AND MAY REDUCE VISIBILITIES DUE TO BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ MTZ043-251945- /O.UPG.KMSO.WS.A.0004.090225T2100Z-090226T1200Z/ /O.NEW.KMSO.WW.Y.0036.090225T2100Z-090226T1200Z/ POTOMAC/SEELEY LAKE REGION- 432 AM MST WED FEB 25 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE...MAINLY ALONG HIGHWAY 83 NORTH OF CLEARWATER JUNCTION...BY THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
8 follow-up statements
000 WWUS45 KMSO 251150 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 450 AM MST WED FEB 25 2009 .AN ARCTIC AIRMASS WILL MOVE INTO NORTHWEST MONTANA THIS AFTERNOON AND EVENING. A MOIST SOUTHWESTERLY UPPER LEVEL FLOW WILL RIDE UP OVER THIS AIRMASS AND HAS THE POTENTIAL TO CREATE HAZARDOUS WINTER WEATHER CONDITIONS DUE TO ACCUMULATING SNOW AND REDUCED VISIBILITIES FROM AREAS OF BLOWING SNOW. THE AREAS EXPECTED TO BE MOST IMPACTED BY THIS WILL BE LOCATIONS ALONG AND NORTH OF HIGHWAY 2...THE FLATHEAD VALLEY...GLACIER NATIONAL PARK REGION AND THE SEELEY AND SWAN REGIONS. IDZ006-MTZ006-251300- /O.EXP.KMSO.WS.W.0006.000000T0000Z-090225T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 450 AM MST WED FEB 25 2009 /350 AM PST WED FEB 25 2009/ ...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY THIS MORNING ABOVE 5000 FEET... THE WINTER STORM WARNING ABOVE 5000 FEET WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY THIS MORNING. SNOW SHOWER ACTIVITY HAS DIMINISHED SIGNIFICANTLY ACROSS THE REGION DURING THE OVERNIGHT HOURS. HOWEVER...ADDITIONAL SNOW ACCUMULATION OF AN INCH OR SO IS POSSIBLE OVER LOLO PASS DURING THE REMAINDER OF THIS MORNING. $$ MTZ002-003-252215- /O.CON.KMSO.WS.W.0007.090225T2100Z-090226T1200Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 450 AM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE NORTHERN FLATHEAD VALLEY...AND 6 TO 12 INCHES FOR THE GLACIER PARK REGION...ARE ANTICIPATED BY THURSDAY MORNING. IN ADDITION TO SNOW...LOCALLY STRONG EAST WINDS ALONG THE HIGHWAY 2 CORRIDOR WILL CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-252215- /O.CON.KMSO.WS.W.0007.090225T2100Z-090226T1200Z/ KOOTENAI/CABINET REGION- 450 AM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE...MAINLY NORTH OF THE HIGHWAY 2 CORRIDOR...BY THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ MTZ043-252215- /O.CON.KMSO.WW.Y.0036.090225T2100Z-090226T1200Z/ POTOMAC/SEELEY LAKE REGION- 450 AM MST WED FEB 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE...MAINLY ALONG HIGHWAY 83 NORTH OF CLEARWATER JUNCTION...BY THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS45 KMSO 251659 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 959 AM MST WED FEB 25 2009 .AN ARCTIC AIRMASS WILL CONTINUE TO MOVE INTO NORTHWEST MONTANA THIS AFTERNOON AND EVENING. A MOIST SOUTHWESTERLY UPPER LEVEL FLOW WILL RIDE UP OVER THIS AIRMASS AND HAS THE POTENTIAL TO CREATE HAZARDOUS WINTER WEATHER CONDITIONS DUE TO ACCUMULATING SNOW AND REDUCED VISIBILITIES FROM AREAS OF BLOWING SNOW. THE AREAS EXPECTED TO BE MOST IMPACTED BY THIS WILL BE LOCATIONS ALONG AND NORTH OF HIGHWAY 2...THE FLATHEAD VALLEY...GLACIER NATIONAL PARK REGION AND THE SEELEY AND SWAN REGIONS. MTZ002-003-260100- /O.EXT.KMSO.WS.W.0007.090225T1700Z-090226T1200Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 959 AM MST WED FEB 25 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE NORTHERN FLATHEAD VALLEY...AND 6 TO 12 INCHES FOR THE GLACIER PARK REGION...ARE ANTICIPATED BY THURSDAY MORNING. IN ADDITION TO SNOW...LOCALLY STRONG EAST WINDS ALONG THE HIGHWAY 2 CORRIDOR WILL CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ MTZ001-260100- /O.CON.KMSO.WS.W.0007.090225T2100Z-090226T1200Z/ KOOTENAI/CABINET REGION- 959 AM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE...MAINLY NORTH OF THE HIGHWAY 2 CORRIDOR...BY THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ043-260100- /O.CON.KMSO.WW.Y.0036.090225T2100Z-090226T1200Z/ POTOMAC/SEELEY LAKE REGION- 959 AM MST WED FEB 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST THURSDAY. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE...MAINLY ALONG HIGHWAY 83 NORTH OF CLEARWATER JUNCTION...BY THURSDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 252145 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 245 PM MST WED FEB 25 2009 .AN ARCTIC AIRMASS WILL CONTINUE TO MOVE INTO NORTHWEST MONTANA THIS AFTERNOON AND EVENING WHILE A WEST COAST UPPER LOW DIRECTS A MOIST SOUTHWESTERLY FLOW OVER THE NORTHERN ROCKIES. THIS HAS THE POTENTIAL TO CREATE HAZARDOUS WINTER WEATHER CONDITIONS DUE TO ACCUMULATING SNOW ACROSS NORTHWEST MONTANA TONIGHT. LOCAL SUB-ZERO WIND CHILLS AND REDUCED VISIBILITIES FROM BLOWING SNOW WILL ALSO BE A CONCERN MAINLY IN THE EAST TO WEST CORRIDORS ALONG THE CONTINENTAL DIVIDE FROM HIGHWAY 200 NORTH. AS THE UPPER LOW MOVES CLOSER...LOWERING SNOW LEVELS AND WIDESPREAD SNOW WILL SPREAD TO NORTH CENTRAL IDAHO AND WESTERN MONTANA. SNOW ACCUMULATIONS WILL BE PRIMARILY IN THE MOUNTAINS THROUGH THE EVENING. TIMING OF ACCUMULATIONS IN THE VALLEYS IS A TOUGHER CALL WITH THE SOUTHERN MOVEMENT OF THE COLD ARCTIC AIR STILL UNCERTAIN. HOWEVER...BEST FORECAST RIGHT NOW PLACES IT AS FAR SOUTH AS THE INTERSTATE 90 CORRIDOR BY THE MORNING COMMUTE. A PACIFIC FRONT WITH THE UPPER SYSTEM WILL PUSH ACROSS THE NORTHERN ROCKIES THURSDAY AFTERNOON. THIS WILL PROVIDE ANOTHER BURST OF SNOW AND CONTINUE TO LOWER SNOW LEVELS TO VALLEYS THROUGHOUT THE REGION. MTZ043-260400- /O.UPG.KMSO.WW.Y.0036.000000T0000Z-090226T1200Z/ /O.EXB.KMSO.WS.W.0007.090226T0600Z-090227T0000Z/ POTOMAC/SEELEY LAKE REGION- 245 PM MST WED FEB 25 2009 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 4 TO 9 INCHES ARE EXPECTED THROUGH THURSDAY. IN ADDITION...EAST WINDS OF 15 TO 25 MPH THROUGH THE HIGHWAY 200 CORRIDOR LATE TONIGHT AND EARLY THURSDAY COULD CAUSE REDUCED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-260400- /O.EXB.KMSO.WS.W.0007.090225T2145Z-090227T0000Z/ LOWER CLARK FORK REGION- 245 PM MST WED FEB 25 2009 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW WHICH IS IN EFFECT UNTIL 5 PM MST THURSDAY. SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED BY THURSDAY AFTERNOON. THE SNOW WILL BE PRIMARILY CONFINED TO THE MOUNTAINS INCLUDING LOOKOUT PASS OVERNIGHT...THEN LOWER TO THE VALLEYS THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ005-006-MTZ006-260400- /O.EXB.KMSO.WS.W.0007.090226T0000Z-090227T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 245 PM MST WED FEB 25 2009 /145 PM PST WED FEB 25 2009/ ...WINTER STORM WARNING IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 5 PM MST /4 PM PST/ THURSDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW WHICH IS IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 5 PM MST /4 PM PST/ THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE LOWER ELEVATIONS AND 8 TO 14 INCHES IN THE MOUNTAINS AND PASSES ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ007-260400- /O.EXB.KMSO.WS.W.0007.090226T0600Z-090227T0600Z/ BUTTE/BLACKFOOT REGION- 245 PM MST WED FEB 25 2009 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ALONG WITH GUSTY EAST WINDS OF 20 TO 35 MPH ARE EXPECTED MAINLY NORTH OF DEER LODGE INCLUDING THE HIGHWAY 12 CORRIDOR FROM GARRISON TO MACDONALD PASS. AREAS SOUTH OF DEER LODGE INCLUDING ANACONDA AND BUTTE WILL ONLY SEE LIGHT ACCUMULATIONS AND MUCH LESS WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ002-003-260400- /O.EXT.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 245 PM MST WED FEB 25 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 PM MST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE FLATHEAD AND MISSION VALLEYS...AND 8 TO 14 INCHES FOR THE GLACIER PARK REGION...ARE ANTICIPATED BY THURSDAY AFTERNOON. IN ADDITION TO SNOW...LOCALLY STRONG EAST WINDS GUSTING TO 40 MPH ALONG THE HIGHWAY 2 CORRIDOR WILL CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. THIS WILL ALSO PRODUCE BELOW ZERO WIND CHILLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-260400- /O.EXT.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ KOOTENAI/CABINET REGION- 245 PM MST WED FEB 25 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 PM MST THURSDAY. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE BY THURSDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ007-260400- /O.NEW.KMSO.WS.A.0005.090226T1500Z-090227T0600Z/ OROFINO/GRANGEVILLE REGION- 145 PM PST WED FEB 25 2009 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. AN INTENSE PERIOD OF SNOW IS POSSIBLE FROM MIDDAY THURSDAY INTO THE EVENING PARTICULARLY FOR THE FOOTHILLS AND MOUNTAINS. THIS COULD IMPACT HIGH ELEVATION TRAVEL SUCH AS HIGHWAY 95 OVER WHITE BIRD SUMMIT AND ROUTE 11 UP THE GREER GRADE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ MTZ005-260400- /O.NEW.KMSO.WS.A.0005.090226T1200Z-090227T0000Z/ MISSOULA/BITTERROOT VALLEYS- 245 PM MST WED FEB 25 2009 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON. THERE IS POTENTIAL FOR HEAVY SNOW DEVELOPING PRIOR TO THE THURSDAY MORNING COMMUTE...MAINLY IN THE MISSOULA AND LOWER BITTERROOT VALLEYS. SNOW MAY MODERATE SOME DURING THE MIDDLE PART OF THE DAY...THEN RE-INTENSIFY BY MID AFTERNOON AS A COLD FRONT SWEEPS THROUGH THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
000 WWUS45 KMSO 260352 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 852 PM MST WED FEB 25 2009 .AN ARCTIC AIRMASS CONTINUES TO MOVE INTO NORTHWEST MONTANA THIS EVENING AS A WEST COAST UPPER LOW DIRECTS A MOIST SOUTHWESTERLY FLOW OVER THE NORTHERN ROCKIES. THIS HAS CREATED HAZARDOUS WINTER WEATHER CONDITIONS DUE TO ACCUMULATING SNOW AND BLOWING SNOW ACROSS NORTHWEST MONTANA. LOCAL SUB-ZERO WIND CHILLS AND REDUCED VISIBILITIES FROM BLOWING SNOW WILL CONTINUE...MAINLY IN THE EAST TO WEST ORIENTED CORRIDORS ALONG THE CONTINENTAL DIVIDE FROM HIGHWAY 200 NORTH. AS THE UPPER LOW MOVES CLOSER...LOWERING SNOW LEVELS AND WIDESPREAD SNOW WILL SPREAD TO NORTH CENTRAL IDAHO AND WESTERN MONTANA. SNOW ACCUMULATIONS WILL BE PRIMARILY IN THE MOUNTAINS THIS EVENING. TIMING OF ACCUMULATIONS IN THE VALLEYS IS A TOUGHER CALL...BUT LOOKS TO OCCUR LATE TONIGHT THROUGH THURSDAY MORNING. BEST FORECAST RIGHT NOW PLACES IT AS FAR SOUTH AS THE INTERSTATE 90 CORRIDOR BY THE MORNING COMMUTE. A PACIFIC FRONT WITH THE UPPER SYSTEM WILL PUSH ACROSS THE NORTHERN ROCKIES THURSDAY AFTERNOON. THIS WILL PROVIDE ANOTHER BURST OF SNOW AND CONTINUE TO LOWER SNOW LEVELS TO VALLEYS THROUGHOUT THE REGION. MTZ002-003-261200- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 852 PM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE FLATHEAD AND MISSION VALLEYS...AND 8 TO 14 INCHES FOR THE GLACIER PARK REGION...ARE ANTICIPATED BY THURSDAY AFTERNOON. IN ADDITION TO SNOW...LOCALLY STRONG EAST WINDS GUSTING TO 40 MPH ALONG THE HIGHWAY 2 CORRIDOR WILL CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES. THIS WILL ALSO PRODUCE BELOW ZERO WIND CHILLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-261200- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ KOOTENAI/CABINET REGION- 852 PM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THURSDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ043-261200- /O.CON.KMSO.WS.W.0007.090226T0600Z-090227T0000Z/ POTOMAC/SEELEY LAKE REGION- 852 PM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 9 INCHES ARE EXPECTED THROUGH THURSDAY. IN ADDITION...EAST WINDS OF 15 TO 25 MPH THROUGH THE HIGHWAY 200 CORRIDOR LATE TONIGHT AND EARLY THURSDAY COULD CAUSE REDUCED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-261200- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ LOWER CLARK FORK REGION- 852 PM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY. SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED BY THURSDAY AFTERNOON. THE SNOW WILL BE PRIMARILY CONFINED TO THE MOUNTAINS INCLUDING LOOKOUT PASS OVERNIGHT...THEN LOWER TO THE VALLEYS THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ005-006-MTZ006-261200- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 852 PM MST WED FEB 25 2009 /752 PM PST WED FEB 25 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE LOWER ELEVATIONS AND 8 TO 14 INCHES IN THE MOUNTAINS AND PASSES ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ007-261200- /O.CON.KMSO.WS.W.0007.090226T0600Z-090227T0600Z/ BUTTE/BLACKFOOT REGION- 852 PM MST WED FEB 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ALONG WITH GUSTY EAST WINDS OF 20 TO 35 MPH ARE EXPECTED MAINLY NORTH OF DEER LODGE INCLUDING THE HIGHWAY 12 CORRIDOR FROM GARRISON TO MACDONALD PASS. AREAS SOUTH OF DEER LODGE INCLUDING ANACONDA AND BUTTE WILL ONLY SEE LIGHT ACCUMULATIONS AND MUCH LESS WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ005-261200- /O.EXT.KMSO.WS.A.0005.090226T1800Z-090227T0600Z/ MISSOULA/BITTERROOT VALLEYS- 852 PM MST WED FEB 25 2009 ...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... THE WINTER STORM WATCH IS NOW IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. THERE IS POTENTIAL FOR HEAVY SNOW TO DEVELOP LATE THURSDAY MORNING AND CONTINUE THROUGH THE THURSDAY EVENING COMMUTE...MAINLY IN THE MISSOULA AND NORTHERN BITTERROOT VALLEYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ IDZ007-261200- /O.CON.KMSO.WS.A.0005.090226T1500Z-090227T0600Z/ OROFINO/GRANGEVILLE REGION- 752 PM PST WED FEB 25 2009 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 7 AM PST THURSDAY THROUGH THURSDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM 7 AM PST THURSDAY THROUGH THURSDAY EVENING. AN INTENSE PERIOD OF SNOW IS POSSIBLE FROM MID DAY THURSDAY INTO THE EVENING PARTICULARLY FOR THE FOOTHILLS AND MOUNTAINS. THIS COULD IMPACT HIGH ELEVATION TRAVEL SUCH AS HIGHWAY 95 OVER WHITE BIRD SUMMIT AND ROUTE 11 UP THE GREER GRADE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
000 WWUS45 KMSO 261053 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 353 AM MST THU FEB 26 2009 .AN ARCTIC AIRMASS CONTINUES TO MOVE SLOWLY ACROSS NORTHWEST MONTANA THIS MORNING. AT THE SAME TIME...A WEST COAST UPPER LOW WILL BE DIRECTING MOIST UNSTABLE AIR INTO THE NORTHERN ROCKIES FROM THE SOUTHWEST. THIS CLASH OF AIR MASSES HAS CREATED HAZARDOUS WINTER WEATHER CONDITIONS DUE TO ACCUMULATING SNOW AND BLOWING SNOW ACROSS NORTHWEST MONTANA. LOCAL SUB-ZERO WIND CHILLS AND REDUCED VISIBILITIES FROM BLOWING SNOW WILL CONTINUE...MAINLY IN THE EAST TO WEST ORIENTED CORRIDORS ALONG THE CONTINENTAL DIVIDE FROM HIGHWAY 200 NORTH. ELSEWHERE...ACCUMULATING SNOW IS EXPECTED TO CONTINUE IN THE MOUNTAINS OF NORTH-CENTRAL IDAHO AND WESTERN MONTANA TODAY. AS THE COLD AIR MOVES INTO THE REGION THIS AFTERNOON...SNOW LEVELS WILL BE LOWERING AND ACCUMULATING SNOW CAN BE EXPECTED AT THE LOWER ELEVATIONS THIS AFTERNOON AND INTO THE EVENING HOURS. MTZ005-261200- /O.CAN.KMSO.WS.A.0005.090226T1800Z-090227T0600Z/ MISSOULA/BITTERROOT VALLEYS- 353 AM MST THU FEB 26 2009 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WATCH. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE THIS AFTERNOON THROUGH THE EVENING HOURS. $$ MTZ002-003-261900- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 353 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE FLATHEAD AND MISSION VALLEYS...AND 8 TO 14 INCHES FOR THE GLACIER PARK REGION...ARE ANTICIPATED BY THIS AFTERNOON. IN ADDITION TO SNOW...LOCALLY STRONG EAST WINDS GUSTING UP TO 35 MPH ALONG THE HIGHWAY 2 CORRIDOR WILL CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES AND WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-261900- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ KOOTENAI/CABINET REGION- 353 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. STORM TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ043-261900- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ POTOMAC/SEELEY LAKE REGION- 353 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 9 INCHES ARE EXPECTED BY THIS EVENING. IN ADDITION...EAST WINDS OF 15 TO 25 MPH THROUGH THE HIGHWAY 200 CORRIDOR THIS MORNING COULD CAUSE REDUCED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-261900- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ LOWER CLARK FORK REGION- 353 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. STORM TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED BY THIS AFTERNOON. SNOW HAS BEEN OCCURRING IN THE MOUNTAINS INCLUDING LOOKOUT PASS...LOWERING TO THE VALLEYS THIS MORNING. LOWER ELEVATIONS MAY SEE 4 TO 8 INCHES OF NEW SNOW BY LATE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ005-006-MTZ006-261900- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 353 AM MST THU FEB 26 2009 /253 AM PST THU FEB 26 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON. STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE LOWER ELEVATIONS AND 8 TO 14 INCHES IN THE MOUNTAINS AND PASSES ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ007-261900- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0600Z/ BUTTE/BLACKFOOT REGION- 353 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ALONG WITH GUSTY EAST WINDS OF 20 TO 35 MPH ARE EXPECTED MAINLY NORTH OF DEER LODGE INCLUDING THE HIGHWAY 12 CORRIDOR FROM GARRISON TO MACDONALD PASS. AREAS SOUTH OF DEER LODGE INCLUDING ANACONDA AND BUTTE WILL ONLY SEE LIGHT ACCUMULATIONS AND MUCH LESS WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ007-261900- /O.UPG.KMSO.WS.A.0005.090226T1500Z-090227T0600Z/ /O.NEW.KMSO.WW.Y.0037.090226T1600Z-090227T0000Z/ OROFINO/GRANGEVILLE REGION- 253 AM PST THU FEB 26 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 4 PM PST THIS AFTERNOON. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE IN THE VALLEYS WITH UP TO 5 INCHES IN THE FOOTHILLS AND HIGHER BENCHES LATER THIS MORNING AND THROUGH THE AFTERNOON. THIS COULD IMPACT HIGH ELEVATION TRAVEL SUCH AS HIGHWAY 95 OVER WHITE BIRD SUMMIT AND ROUTE 11 UP THE GREER GRADE. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
000 WWUS45 KMSO 261835 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1135 AM MST THU FEB 26 2009 .AN ARCTIC AIRMASS CONTINUES TO MOVE SLOWLY ACROSS NORTHWEST MONTANA THIS MORNING. AT THE SAME TIME...A WEST COAST UPPER LOW WILL BE DIRECTING MOIST UNSTABLE AIR INTO THE NORTHERN ROCKIES FROM THE SOUTHWEST. THIS CLASH OF AIR MASSES HAS CREATED HAZARDOUS WINTER WEATHER CONDITIONS DUE TO ACCUMULATING SNOW AND BLOWING SNOW ACROSS NORTHWEST MONTANA. LOCAL SUB-ZERO WIND CHILLS AND REDUCED VISIBILITIES FROM BLOWING SNOW WILL CONTINUE...MAINLY IN THE EAST TO WEST ORIENTED CORRIDORS ALONG THE CONTINENTAL DIVIDE FROM HIGHWAY 200 NORTH. ELSEWHERE...ACCUMULATING SNOW IS EXPECTED TO CONTINUE IN THE MOUNTAINS OF NORTH-CENTRAL IDAHO AND WESTERN MONTANA TODAY. AS THE COLD AIR MOVES INTO THE REGION THIS AFTERNOON...SNOW LEVELS WILL BE LOWERING AND ACCUMULATING SNOW CAN BE EXPECTED AT THE LOWER ELEVATIONS THIS AFTERNOON AND INTO THE EVENING HOURS. MTZ002-003-270000- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 1135 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE FLATHEAD AND MISSION VALLEYS...AND 8 TO 14 INCHES FOR THE GLACIER PARK REGION...ARE ANTICIPATED BY THIS AFTERNOON. IN ADDITION TO SNOW... LOCALLY STRONG EAST WINDS GUSTING UP TO 35 MPH ALONG THE HIGHWAY 2 CORRIDOR WILL CREATE AREAS OF BLOWING SNOW AND REDUCED VISIBILITIES AND WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-270000- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ KOOTENAI/CABINET REGION- 1135 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... STORM TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ043-270000- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ POTOMAC/SEELEY LAKE REGION- 1135 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 9 INCHES ARE EXPECTED BY THIS EVENING. IN ADDITION...EAST WINDS OF 15 TO 25 MPH THROUGH THE HIGHWAY 200 CORRIDOR THIS MORNING COULD CAUSE REDUCED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-270000- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ LOWER CLARK FORK REGION- 1135 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... STORM TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE ANTICIPATED BY THIS AFTERNOON. SNOW HAS BEEN OCCURRING IN THE MOUNTAINS INCLUDING LOOKOUT PASS...LOWERING TO THE VALLEYS THIS MORNING. LOWER ELEVATIONS MAY SEE 4 TO 8 INCHES OF NEW SNOW BY LATE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ005-006-MTZ006-270000- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1135 AM MST THU FEB 26 2009 /1035 AM PST THU FEB 26 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON... STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE LOWER ELEVATIONS AND 8 TO 14 INCHES IN THE MOUNTAINS AND PASSES ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ007-270245- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0600Z/ BUTTE/BLACKFOOT REGION- 1135 AM MST THU FEB 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ALONG WITH GUSTY EAST WINDS OF 20 TO 35 MPH ARE EXPECTED MAINLY NORTH OF DEER LODGE INCLUDING THE HIGHWAY 12 CORRIDOR FROM GARRISON TO MACDONALD PASS. AREAS SOUTH OF DEER LODGE INCLUDING ANACONDA AND BUTTE WILL ONLY SEE LIGHT ACCUMULATIONS AND MUCH LESS WIND. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ007-270000- /O.CON.KMSO.WW.Y.0037.000000T0000Z-090227T0000Z/ OROFINO/GRANGEVILLE REGION- 1035 AM PST THU FEB 26 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE IN THE VALLEYS WITH UP TO 5 INCHES IN THE FOOTHILLS AND HIGHER BENCHES LATER THIS MORNING AND THROUGH THE AFTERNOON. THIS COULD IMPACT HIGH ELEVATION TRAVEL SUCH AS HIGHWAY 95 OVER WHITE BIRD SUMMIT AND ROUTE 11 UP THE GREER GRADE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS45 KMSO 262351 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 451 PM MST THU FEB 26 2009 MTZ002-003-270100- /O.EXP.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- 451 PM MST THU FEB 26 2009 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW IS BEGINNING TO TAPER OFF ACROSS THE REGION HOWEVER...SNOW SHOWERS WILL CONTINUE INTO THE OVERNIGHT WITH LOCAL REDUCED VISIBILITIES AND ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE. $$ MTZ001-270100- /O.EXP.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ KOOTENAI/CABINET REGION- 451 PM MST THU FEB 26 2009 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW IS BEGINNING TO TAPER OFF ACROSS THE REGION HOWEVER...SNOW SHOWERS WILL CONTINUE INTO THE OVERNIGHT WITH LOCAL REDUCED VISIBILITIES AND ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE. $$ MTZ043-270100- /O.EXP.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ POTOMAC/SEELEY LAKE REGION- 451 PM MST THU FEB 26 2009 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW IS BEGINNING TO TAPER OFF ACROSS THE REGION HOWEVER...SNOW SHOWERS WILL CONTINUE INTO THE OVERNIGHT WITH LOCAL REDUCED VISIBILITIES AND ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE. GUSTY WINDS WILL CONTINUE TO CREATE AREAS OF BLOWING AND DRIFTING OF SNOW DURING THIS TIME AS WELL. $$ MTZ004-270100- /O.EXP.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ LOWER CLARK FORK REGION- 451 PM MST THU FEB 26 2009 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW IS BEGINNING TO TAPER OFF ACROSS THE REGION HOWEVER...SNOW SHOWERS WILL CONTINUE INTO THE OVERNIGHT WITH LOCAL REDUCED VISIBILITIES AND ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE. STRONG GUSTY WINDS WILL CONTINUE TO CREATE AREAS OF BLOWING AND DRIFTING OF SNOW DURING THIS TIME AS WELL. $$ IDZ005-006-MTZ006-270100- /O.EXP.KMSO.WS.W.0007.000000T0000Z-090227T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 451 PM MST THU FEB 26 2009 /351 PM PST THU FEB 26 2009/ ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST /4 PM PST/ THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM MST /4 PM PST/ THIS AFTERNOON. SNOW IS BEGINNING TO TAPER OFF ACROSS THE REGION HOWEVER...SNOW SHOWERS WILL CONTINUE INTO THE OVERNIGHT WITH LOCAL REDUCED VISIBILITIES AND ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE. STRONG GUSTY WINDS WILL CONTINUE TO CREATE AREAS OF BLOWING AND DRIFTING OF SNOW DURING THIS TIME AS WELL. $$ IDZ007-270100- /O.EXP.KMSO.WW.Y.0037.000000T0000Z-090227T0000Z/ OROFINO/GRANGEVILLE REGION- 351 PM PST THU FEB 26 2009 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON. SNOW IS BEGINNING TO TAPER OFF ACROSS THE REGION HOWEVER...SNOW SHOWERS WILL CONTINUE INTO THE OVERNIGHT WITH LOCAL REDUCED VISIBILITIES AND ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE. STRONG GUSTY WINDS WILL CONTINUE TO CREATE AREAS OF BLOWING AND DRIFTING OF SNOW DURING THIS TIME AS WELL. $$ MTZ007-270600- /O.CON.KMSO.WS.W.0007.000000T0000Z-090227T0600Z/ BUTTE/BLACKFOOT REGION- 451 PM MST THU FEB 26 2009 ...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. STORM TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ALONG WITH GUSTY EAST WINDS OF 20 TO 35 MPH ARE EXPECTED MAINLY NORTH OF DEER LODGE INCLUDING THE HIGHWAY 12 CORRIDOR FROM GARRISON TO MACDONALD PASS. AREAS SOUTH OF DEER LODGE INCLUDING ANACONDA AND BUTTE WILL SEE ON AND OFF STRONG SNOW SHOWERS WITH 1 TO 2 INCHES POSSIBLE AND BRIEF GUSTY WINDS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
000 WWUS45 KMSO 270533 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1033 PM MST THU FEB 26 2009 MTZ007-270645- /O.EXP.KMSO.WS.W.0007.000000T0000Z-090227T0600Z/ BUTTE/BLACKFOOT REGION- 1033 PM MST THU FEB 26 2009 ...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING... THE WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING. SNOW IS BEGINNING TO TAPER OFF ACROSS THE REGION HOWEVER...SNOW SHOWERS WILL CONTINUE OVERNIGHT WITH LOCAL REDUCED VISIBILITIES AND ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES POSSIBLE. $$
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 Feb 25, 4:14 AM MST, 18 minutes earlier.
Area forecast discussion, Feb 25, 4:14 AM MST, 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
414 AM MST WED FEB 25 2009
.DISCUSSION...
THE MOST SIGNIFICANT IMPACTS DURING THE SHORT TERM FORECAST PERIOD
WILL INCLUDE ACCUMULATING SNOW...BLOWING SNOW...AND WIND
CHILL...MAINLY FOR PORTIONS OF NORTHWEST MONTANA.
SOUTHWESTERLY FLOW ALOFT WILL CONTINUE TO BE PRESENT THROUGH MIDDAY
THURSDAY...AS ARCTIC AIR EAST OF THE CONTINENTAL DIVIDE DEEPENS AND
MOVES WEST. VALLEY RAIN AND MOUNTAIN SNOW SHOWERS ARE ANTICIPATED TO
CONTINUE ACROSS PORTIONS OF WESTERN MONTANA AND NORTH CENTRAL IDAHO
THIS MORNING...LATER SHIFTING NORTHWARD TO NORTHWEST MONTANA. THE
RELATIVELY WARM AND MOIST PACIFIC FLOW WILL MOVE OVER LOW LEVEL
ARCTIC AIR MOVING THROUGH THE GLACIER PARK REGION...INCREASING THE
POTENTIAL FOR SIGNIFICANT SNOWFALL ACROSS NORTHWEST MONTANA.
CONSEQUENTLY...WINTER WEATHER HIGHLIGHTS ARE IN EFFECT FOR PORTIONS
OF NORTHWEST MONTANA.
BY THURSDAY MORNING...A WEAK UPPER LEVEL RIDGE OF HIGH PRESSURE
DEVELOPS OVER NORTHWEST MONTANA...AHEAD OF A VIGOROUS CLOSED PACIFIC
LOW PRESSURE CIRCULATION. THIS CLOSED LOW FEATURE IS ANTICIPATED TO
MOVE OVER CENTRAL IDAHO DURING THURSDAY NIGHT...WITH ANOTHER ROUND
OF LOW ELEVATION RAIN AND HIGH ELEVATION SNOW SHOWERS. NORTH CENTRAL
IDAHO AND PORTIONS OF WESTERN MONTANA SOUTH OF THE INTERSTATE 90
CORRIDOR WILL BE MOST FAVORED FOR PRECIPITATION.
BY FRIDAY AFTERNOON...AN UPPER LEVEL RIDGE OF HIGH PRESSURE DEVELOPS
OVER THE PACIFIC NORTHWEST...BRINGING A SPELL OF DRIER WEATHER INTO
THE REGION.
&&
.AVIATION...
A CONTINUED STORMY PATTERN WILL BE PRESENT ACROSS THE REGION
DURING THE NEXT 24 HOURS. WIDESPREAD TERRAIN OBSCURATIONS ARE
TO BE EXPECTED DURING THIS TIME. HIGH ELEVATION SNOW AND LOW
ELEVATION RAIN SHOWERS WILL BE THE NORM DURING THIS TIME. LOW
LEVEL WINDS MAY BE GUST FROM THE EAST AND NORTHEAST AT TIMES
ACROSS NORTHWEST MONTANA. PRECIPITATION WILL BECOME ALL SNOW
ACROSS NORTHWEST MONTANA AFTER 26/0000Z AS WELL.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WARNING UNTIL 5 AM MST EARLY THIS MORNING ABOVE
5000 FEET FOR BITTERROOT/SAPPHIRE MOUNTAINS.
WINTER STORM WARNING FROM 2 PM THIS AFTERNOON TO 5 AM MST
THURSDAY FOR FLATHEAD/MISSION VALLEYS-WEST GLACIER REGION.
WINTER STORM WARNING FROM 2 PM THIS AFTERNOON TO 5 AM MST
THURSDAY FOR KOOTENAI/CABINET REGION.
WINTER WEATHER ADVISORY FROM 2 PM THIS AFTERNOON TO 5 AM MST
THURSDAY FOR POTOMAC/SEELEY LAKE REGION.
ID...WINTER STORM WARNING UNTIL 4 AM PST EARLY THIS MORNING ABOVE
5000 FEET FOR SOUTHERN CLEARWATER MOUNTAINS.
&&
PUBLIC/AVIATION...ZUMPFEHazardous weather outlook, Feb 24, 5:57 AM MST, 22 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 557 AM MST TUE FEB 24 2009 MTZ002-004-250000- WEST GLACIER REGION-LOWER CLARK FORK REGION- 557 AM MST TUE FEB 24 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA AND WEST CENTRAL MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...TODAY AND TONIGHT A WINTER WEATHER ADVISORY IS IN EFFECT FOR LOOKOUT AND MARIAS PASS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WEDNESDAY AND THURSDAY...ARCTIC AIR IS EXPECTED TO MOVE WEST OF THE CONTINENTAL DIVIDE. STRONG NORTHEAST WINDS WILL BE PRESENT AT TIMES AS THE COLD DENSE AIR MOVES TO LOWER ELEVATIONS. THE COMBINATION OF ARCTIC AIR IN PLACE WITH WARM MOIST WESTERLY FLOW MAY PRODUCE SIGNIFICANT ACCUMULATING MOUNTAIN SNOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ006-MTZ006-250000- SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 557 AM MST TUE FEB 24 2009 /457 AM PST TUE FEB 24 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO AND WEST CENTRAL MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...TODAY AND TONIGHT A WINTER WEATHER ADVISORY IS IN EFFECT FOR LOLO PASS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A CONTINUED PROGRESSIVE AND MOIST PATTERN WILL BE PRESENT THROUGH EARLY NEXT WEEK. MODERATE SNOW ACCUMULATIONS IN THE MOUNTAINS ARE POSSIBLE. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ003-250000- FLATHEAD/MISSION VALLEYS- 557 AM MST TUE FEB 24 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WEDNESDAY AND THURSDAY...ARCTIC AIR IS EXPECTED TO MOVE WEST OF THE CONTINENTAL DIVIDE. STRONG NORTHEAST WINDS WILL BE PRESENT AT TIMES NEAR BADROCK CANYON EAST OF KALISPELL AS THE COLD DENSE AIR ARRIVES. THE COMBINATION OF ARCTIC AIR IN PLACE WITH WARM MOIST WESTERLY FLOW MAY PRODUCE SIGNIFICANT ACCUMULATING MOUNTAIN SNOW. .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 |
|---|---|---|---|---|
| Feb 24, 5:53 PM MST | Winter Storm Warning | MSO | Granite, Missoula, Ravalli | 11 hr |
| Feb 25, 4:32 AM MST | Winter Weather Advisory | MSO | Granite, Lake, Missoula, Powell | 10 hr |
| Feb 25, 2:45 PM MST | Winter Storm Watch | MSO | Missoula, Ravalli | 13 hr |
Nearby
Winter Storm Warnings in Montana, 2009Winter Storm Warnings in Idaho, 2009Every winter storm warning in 2009
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.