Alert archive / Montana / Winter Storm Watches in 2012
Winter Storm Watch 2, NWS Missoula, MT
NWS Missoula, MT issued this winter storm watch at Feb 19, 2012, 3:06 PM MST for 7 counties in Montana; Idaho County, Lemhi County, Idaho. It took effect at Feb 21, 2012, 2:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 19, 2012, 3:06 PM MST (22:06 UTC)
- In effect from
- Feb 21, 2012, 2:00 PM MST
- Expired
- Feb 21, 2012, 1:37 PM MST
- In force
- Issued by
- NWS Missoula, MT
Counties Idaho County, ID, Lemhi County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Mineral County, MT, Missoula County, MT, Ravalli County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 40 km from the middle of the area, began a volume at 22:03 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.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 10.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
783 WWUS45 KMSO 192206 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 306 PM MST SUN FEB 19 2012 ...SIGNIFICANT WIND AND SNOW OVER LOLO AND LOOKOUT PASSES TUESDAY THROUGH WEDNESDAY... MTZ004-201200- /O.NEW.KMSO.WS.A.0002.120221T1200Z-120223T0600Z/ LOWER CLARK FORK REGION- 306 PM MST SUN FEB 19 2012 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING FOR I-90 LOOKOUT PASS TO HAUGAN... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH FOR I-90 LOOKOUT PASS TO HAUGAN...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO A WHITE OUT AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 15 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ IDZ006-MTZ006-201200- /O.NEW.KMSO.WS.A.0002.120221T1200Z-120223T0600Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 306 PM MST SUN FEB 19 2012 /206 PM PST SUN FEB 19 2012/ ...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING FOR LOLO PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH FOR LOLO PASS...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO A WHITE OUT AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 15 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
8 follow-up statements
626 WWUS45 KMSO 201006 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 306 AM MST MON FEB 20 2012 ...SIGNIFICANT WIND AND SNOW OVER LOLO AND LOOKOUT PASSES TUESDAY THROUGH WEDNESDAY... IDZ010-201815- /O.EXB.KMSO.WS.A.0002.120221T1200Z-120223T1200Z/ EASTERN LEMHI COUNTY- 306 AM MST MON FEB 20 2012 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH FOR LOST TRAIL PASS...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS WEDNESDAY AFTERNOON AND EVENING. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ MTZ002-201815- /O.EXA.KMSO.WS.A.0002.120221T1200Z-120223T0600Z/ WEST GLACIER REGION- 306 AM MST MON FEB 20 2012 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING ABOVE 5000 FEET FOR...MARIAS PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH ABOVE 5000 FEET...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ IDZ006-MTZ006-201815- /O.EXT.KMSO.WS.A.0002.120221T1200Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 306 AM MST MON FEB 20 2012 /206 AM PST MON FEB 20 2012/ ...WINTER STORM WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT ABOVE 5000 FEET... THE WINTER STORM WATCH ABOVE 5000 FEET IS NOW IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 15 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ MTZ004-201815- /O.CON.KMSO.WS.A.0002.120221T1200Z-120223T0600Z/ LOWER CLARK FORK REGION- 306 AM MST MON FEB 20 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING FOR I-90 LOOKOUT PASS TO HAUGAN... A WINTER STORM WATCH FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 15 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
213 WWUS45 KMSO 201744 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1044 AM MST MON FEB 20 2012 ...SIGNIFICANT WIND AND SNOW OVER LOLO AND LOOKOUT PASSES TUESDAY THROUGH WEDNESDAY... IDZ006-MTZ006-210000- /O.CON.KMSO.WS.A.0002.120221T1200Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 1044 AM MST MON FEB 20 2012 /944 AM PST MON FEB 20 2012/ ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT ABOVE 5000 FEET... A WINTER STORM WATCH ABOVE 5000 FEET REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 15 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ MTZ002-210000- /O.CON.KMSO.WS.A.0002.120221T1200Z-120223T0600Z/ WEST GLACIER REGION- 1044 AM MST MON FEB 20 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WATCH ABOVE 5000 FEET REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ MTZ004-210000- /O.CON.KMSO.WS.A.0002.120221T1200Z-120223T0600Z/ LOWER CLARK FORK REGION- 1044 AM MST MON FEB 20 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING FOR I-90 LOOKOUT PASS TO HAUGAN... A WINTER STORM WATCH FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 15 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ IDZ010-210000- /O.CON.KMSO.WS.A.0002.120221T1200Z-120223T1200Z/ EASTERN LEMHI COUNTY- 1044 AM MST MON FEB 20 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS... A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. STRONG WIND WILL ALSO BECOME A SIGNIFICANT FACTOR...WITH BLOWING SNOW REDUCING VISIBILITY TO WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS WILL BECOME EXTREMELY HAZARDOUS WEDNESDAY AFTERNOON AND EVENING. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
023 WWUS45 KMSO 202113 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 213 PM MST MON FEB 20 2012 IDZ006-MTZ006-211100- /O.EXT.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 213 PM MST MON FEB 20 2012 /113 PM PST MON FEB 20 2012/ ...WINTER STORM WATCH NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT ABOVE 5000 FEET... THE WINTER STORM WATCH ABOVE 5000 FEET IS NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOLO PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP TUESDAY AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 INCHES IN THE HIGHER TERRAIN. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ MTZ002-211100- /O.EXT.KMSO.WS.A.0002.120221T2100Z-120223T0600Z/ WEST GLACIER REGION- 213 PM MST MON FEB 20 2012 ...WINTER STORM WATCH NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING ABOVE 5000 FEET FOR...MARIAS PASS... THE WINTER STORM WATCH ABOVE 5000 FEET IS NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER MARIAS PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP TUESDAY AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 15 INCHES OVER THE HIGHER TERRAIN. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ MTZ004-211100- /O.EXT.KMSO.WS.A.0002.120221T2100Z-120223T0600Z/ LOWER CLARK FORK REGION- 213 PM MST MON FEB 20 2012 ...WINTER STORM WATCH NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR I-90 LOOKOUT PASS TO HAUGAN... THE WINTER STORM WATCH FOR I-90 LOOKOUT PASS TO HAUGAN IS NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOOKOUT PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP TUESDAY AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 15 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ IDZ010-211100- /O.EXT.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ EASTERN LEMHI COUNTY- 213 PM MST MON FEB 20 2012 ...WINTER STORM WATCH NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS... THE WINTER STORM WATCH FOR LOST TRAIL PASS IS NOW IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: SNOW WILL BEGIN ACCUMULATING TUESDAY MORNING AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP TUESDAY AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
745 WWUS45 KMSO 211046 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 346 AM MST TUE FEB 21 2012 .AN IMPRESSIVE WINTER STORM SYSTEM WILL BE IMPACTING THE NORTHERN ROCKIES REGION DURING THE NEXT FEW DAYS. INITIALLY...A STEADY INFLUX OF PACIFIC MOISTURE WILL BRING ACCUMULATING SNOWFALL TO THE HIGHER TERRAIN...INCLUDING THE MOUNTAIN PASSES. THEN THE ATMOSPHERE WILL WARM SIGNIFICANTLY...PUSHING THE SNOW LEVELS MUCH HIGHER LATER TODAY AND TONIGHT...WITH SNOW ENDING AND ROAD CONDITIONS IMPROVING OVER THE MOUNTAIN PASSES. HOWEVER...STRONG WINDS WILL BE DEVELOPING AFTER MIDNIGHT TONIGHT AND EARLY WEDNESDAY MORNING WITH POTENTIAL WIND GUSTS TO 60 MPH. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN. THE COMBINATION OF ACCUMULATING SNOW AND STRONG WEST WINDS OVER THE MOUNTAINS PASSES WILL CREATE CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS INTO WEDNESDAY NIGHT. MTZ002-211900- /O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T0600Z/ /O.NEW.KMSO.WS.W.0002.120221T1046Z-120223T0000Z/ WEST GLACIER REGION- 346 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND STRONG WINDS ABOVE 5000 FEET...WHICH IS IN EFFECT UNTIL 5 PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 15 INCHES OVER THE HIGHER TERRAIN. * WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER TONIGHT AND INTO WEDNESDAY. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OVER MARIAS PASS. && $$ IDZ006-MTZ006-211900- /O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ /O.NEW.KMSO.WS.W.0002.120221T1046Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 346 AM MST TUE FEB 21 2012 /246 AM PST TUE FEB 21 2012/ ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY ABOVE 5000 FEET...LOLO PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND STRONG WINDS ABOVE 5000 FEET...WHICH IS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 INCHES IN THE HIGHER TERRAIN. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS LEADING UP TO AND OVER LOLO PASS. && $$ MTZ004-211900- /O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T0600Z/ /O.NEW.KMSO.WS.W.0002.120221T1046Z-120223T1200Z/ LOWER CLARK FORK REGION- 346 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY FOR LOOKOUT PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND STRONG WINDS FOR LOOKOUT PASS...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. * SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING WEDNESDAY AND WEDNESDAY NIGHT. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OVER LOOKOUT PASS. && $$ IDZ010-211900- /O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ EASTERN LEMHI COUNTY- 346 AM MST TUE FEB 21 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS... A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
421 WWUS45 KMSO 211339 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 639 AM MST TUE FEB 21 2012 .AN IMPRESSIVE WINTER STORM SYSTEM WILL BE IMPACTING THE NORTHERN ROCKIES REGION DURING THE NEXT FEW DAYS. INITIALLY...A STEADY INFLUX OF PACIFIC MOISTURE WILL BRING ACCUMULATING SNOWFALL TO THE HIGHER TERRAIN...INCLUDING THE MOUNTAIN PASSES. THEN THE ATMOSPHERE WILL WARM SIGNIFICANTLY...PUSHING THE SNOW LEVELS MUCH HIGHER LATER TODAY AND TONIGHT...WITH SNOW ENDING AND ROAD CONDITIONS IMPROVING OVER THE MOUNTAIN PASSES. HOWEVER...STRONG WINDS WILL BE DEVELOPING AFTER MIDNIGHT TONIGHT AND EARLY WEDNESDAY MORNING WITH POTENTIAL WIND GUSTS TO 60 MPH. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN. THE COMBINATION OF ACCUMULATING SNOW AND STRONG WEST WINDS OVER THE MOUNTAINS PASSES WILL CREATE CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS INTO WEDNESDAY NIGHT. MTZ002-212145- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/ WEST GLACIER REGION- 639 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING... CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 15 INCHES OVER THE HIGHER TERRAIN. * WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER TONIGHT AND INTO WEDNESDAY. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OVER MARIAS PASS. && $$ IDZ006-MTZ006-212145- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 639 AM MST TUE FEB 21 2012 /539 AM PST TUE FEB 21 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 INCHES IN THE HIGHER TERRAIN. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS LEADING UP TO AND OVER LOLO PASS. && $$ MTZ004-212145- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ LOWER CLARK FORK REGION- 639 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY FOR I-90 LOOKOUT PASS TO HAUGAN... A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY... SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. * SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING WEDNESDAY AND WEDNESDAY NIGHT. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OVER LOOKOUT PASS. && $$ MTZ005-211800- /O.NEW.KMSO.WW.Y.0016.120221T1339Z-120221T1800Z/ MISSOULA/BITTERROOT VALLEYS- 639 AM MST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING FOR...MISSOULA... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: SNOW...MODERATE AT TIMES THIS MORNING WILL BE CHANGING TO RAIN BY THIS AFTERNOON. SNOW AND SLUSH ON ROADWAYS WAS MAKING FOR SOME SLICK ROAD SURFACES THIS MORNING. * SNOW ACCUMULATIONS: 1 TO 2 INCHES THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ010-212145- /O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ EASTERN LEMHI COUNTY- 639 AM MST TUE FEB 21 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS... A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
067 WWUS45 KMSO 211410 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 710 AM MST TUE FEB 21 2012 MTZ002-212200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/ WEST GLACIER REGION- 710 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING... CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 15 INCHES OVER THE HIGHER TERRAIN. * WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER TONIGHT AND INTO WEDNESDAY. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY. && $$ IDZ006-MTZ006-212200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 710 AM MST TUE FEB 21 2012 /610 AM PST TUE FEB 21 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 INCHES IN THE HIGHER TERRAIN. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. && $$ MTZ004-212200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ LOWER CLARK FORK REGION- 710 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY FOR I-90 LOOKOUT PASS TO HAUGAN... A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY... SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. * SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING WEDNESDAY AND WEDNESDAY NIGHT. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. && $$ IDZ008-211700- /O.EXB.KMSO.WW.Y.0016.000000T0000Z-120221T1700Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 610 AM PST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING FOR...WHITE BIRD GRADE... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 9 AM PST THIS MORNING. * IMPACTS/TIMING: SNOW...MODERATE AT TIMES THIS MORNING...WILL BE CHANGING TO RAIN BY THIS AFTERNOON. SNOW AND SLUSH ON ROADWAYS WAS MAKING FOR DIFFICULT DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 2 INCHES THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ005-211800- /O.CON.KMSO.WW.Y.0016.000000T0000Z-120221T1800Z/ MISSOULA/BITTERROOT VALLEYS- 710 AM MST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING FOR...MISSOULA... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: SNOW...MODERATE AT TIMES THIS MORNING WILL BE CHANGING TO RAIN BY THIS AFTERNOON. SNOW AND SLUSH ON ROADWAYS WAS MAKING FOR SOME SLICK ROAD SURFACES THIS MORNING. * SNOW ACCUMULATIONS: 1 TO 2 INCHES THIS MORNING. && $$ IDZ010-212200- /O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ EASTERN LEMHI COUNTY- 710 AM MST TUE FEB 21 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS... A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. && $$
688 WWUS45 KMSO 211624 AAA WSWMSO URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE MISSOULA MT 924 AM MST TUE FEB 21 2012 MTZ005-211730- /O.CAN.KMSO.WW.Y.0016.000000T0000Z-120221T1800Z/ MISSOULA/BITTERROOT VALLEYS- 924 AM MST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. THREATS FOR HAZARDOUS DRIVING HAVE DIMINISHED DUE TO IMPROVING ROAD CONDITIONS AND MUCH LIGHTER SNOW SHOWERS. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. $$ IDZ008-211730- /O.CAN.KMSO.WW.Y.0016.000000T0000Z-120221T1700Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 824 AM PST TUE FEB 21 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. THREATS FOR HAZARDOUS DRIVING HAVE DIMINISHED DUE TO IMPROVING ROAD CONDITIONS AND MUCH LIGHTER SNOW SHOWERS. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. $$ MTZ002-212200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/ WEST GLACIER REGION- 924 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING... CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 15 INCHES OVER THE HIGHER TERRAIN. * WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER TONIGHT AND INTO WEDNESDAY. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY. && $$ IDZ006-MTZ006-212200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 924 AM MST TUE FEB 21 2012 /824 AM PST TUE FEB 21 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 INCHES IN THE HIGHER TERRAIN. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. && $$ MTZ004-212200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ LOWER CLARK FORK REGION- 924 AM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY FOR I-90 LOOKOUT PASS TO HAUGAN... A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY... SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. * SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING WEDNESDAY AND WEDNESDAY NIGHT. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. && $$ IDZ010-212200- /O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ EASTERN LEMHI COUNTY- 924 AM MST TUE FEB 21 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS... A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. * IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. && $$
000 WWUS45 KMSO 212037 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 137 PM MST TUE FEB 21 2012 IDZ010-221200- /O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/ /O.EXB.KMSO.WS.W.0002.120221T2100Z-120223T1200Z/ EASTERN LEMHI COUNTY- 137 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY FOR LOST TRAIL PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...BLOWING SNOW AND HIGH WINDS FOR LOST TRAIL PASS... WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: PERIODS OF SNOW AND SLICK ROADS CAN BE EXPECTED THROUGH WEDNESDAY NIGHT. HOWEVER TRAVEL OVER LOST TRAIL PASS AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED UNTIL STRONG WINDS DEVELOP TONIGHT. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT TIMES...ESPECIALLY LATE TONIGHT THROUGH WEDNESDAY EVENING. * SNOW ACCUMULATIONS: UP TO 12 INCHES. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ002-221200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/ WEST GLACIER REGION- 137 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE INTO EARLY THIS EVENING...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BEFORE MIDNIGHT. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING AND TEMPERATURES FALLING WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 15 INCHES OVER THE HIGHER TERRAIN. * WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER TONIGHT AND INTO WEDNESDAY. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY. && $$ IDZ006-MTZ006-221200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 137 PM MST TUE FEB 21 2012 /1237 PM PST TUE FEB 21 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY ABOVE 5000 FEET... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE INTO EARLY THIS EVENING...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON WEDNESDAY. * SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 INCHES IN THE HIGHER TERRAIN. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. && $$ MTZ004-221200- /O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/ LOWER CLARK FORK REGION- 137 PM MST TUE FEB 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY FOR I-90 LOOKOUT PASS TO HAUGAN... A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE INTO EARLY THIS EVENING...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL. HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY... SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. * SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING WEDNESDAY AND WEDNESDAY NIGHT. * WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND WEDNESDAY NIGHT. && $$
What forecasters said that day
The local office's own words before this winter storm watch 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 watch went out at Feb 19, 2:51 PM MST, 15 minutes earlier.
Area forecast discussion, Feb 19, 2:51 PM MST, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
251 PM MST SUN FEB 19 2012
...SIGNIFICANT WIND AND MOUNTAIN PASS SNOW ACROSS NORTHERN ROCKIES
TUESDAY THROUGH WEDNESDAY...
.DISCUSSION...
TONIGHT THROUGH MONDAY NIGHT...SNOW SHOWERS WILL DWINDLE OVER THE
NORTHERN ROCKIES THROUGH MONDAY MORNING...WITH LITTLE ADDITIONAL
SNOW ACCUMULATIONS FOR HIGH ELEVATIONS. A BRIEF PERIOD OF
RELATIVELY DRY CONDITIONS ARE ANTICIPATED MONDAY...WITH A
A SIGNIFICANT WINTER STORM TO AFFECT THE REGION BEGINNING
OVERNIGHT MONDAY.
TUESDAY THROUGH WEDNESDAY NIGHT...A POWERFUL WINTER STORM SYSTEM
IS EXPECTED TO MOVE OVER THE NORTHERN ROCKIES FROM THE
NORTHWEST...ACCOMPANIED BY A STRONG PACIFIC JET STREAM AND
ABUNDANT MOISTURE. MOUNTAIN SNOWFALL WILL BEGIN TO ACCUMULATE
TUESDAY THROUGH WEDNESDAY NIGHT. VALLEY LOCATIONS WILL SEE SOME
SNOW...HOWEVER SNOW LEVELS WILL RAPIDLY RISE DURING DAYTIME
TUESDAY...WITH CONTINUED SNOW ACCUMULATION OVER MOUNTAIN PASSES
AND HIGH ELEVATIONS THEREAFTER. MUCH OF THE STRONG FLOW ALOFT
WILL BE MIXED TO THE SURFACE...CREATING A VERY WINDY SCENARIO
THROUGHOUT MOST OF WESTERN MONTANA AND NORTH CENTRAL IDAHO. WIND WILL
GUST TO 60 MPH IN PLACES...CREATING BLOWING SNOW AT MOUNTAIN PASS
ELEVATIONS AND POSSIBLY DAMAGING INFRASTRUCTURE. TRAVELERS ARE
ADVISED THAT TRAVEL OVER MOUNTAIN PASSES WILL BE EXTREMELY
HAZARDOUS AT TIMES...WITH WHITE OUT CONDITIONS IN BLOWING SNOW.
WIND WILL ALSO POSE A THREAT AT LOWER ELEVATIONS...WITH THE
POSSIBILITY OF TREES AND POWER LINES BEING BLOWN DOWN...AS WELL AS
HIGH PROFILE VEHICLES BEING BLOWN OFF HIGHWAYS. DUE TO THE HIGH
HAZARD RISK DURING TUESDAY AND WEDNESDAY...WINTER WEATHER AND HIGH
WIND WATCHES ARE NOW IN EFFECT. BY WEDNESDAY EVENING...THE WINTER
STORM AND PACIFIC JET STREAM ARE ANTICIPATED TO MOVE EAST OF THE
CONTINENTAL DIVIDE. SNOW SHOWERS WILL SLOWLY DIMINISH OVER THE
HIGH ELEVATIONS.
THURSDAY THROUGH SATURDAY...MODELS ARE SHOWING AN UPPER LEVEL
NORTHWEST FLOW SETTING UP OVER WESTERN MONTANA AND NORTH CENTRAL
IDAHO ON THURSDAY. SO WILL HOLD ON TO SOME MAINLY MOUNTAIN
PRECIPITATION. FROM FRIDAY ON...THE MODELS ARE STARTING TO DIVERGE
IN THEIR SOLUTIONS. BUT THEY DO AGREE IN KEEPING A MOIST NORTHWEST
FLOW OVER THE REGION WITH AN UPPER LEVEL TROUGH MOVING IN FROM THE
PACIFIC ON SATURDAY. THIS WILL BRING IN SOME COOLER TEMPERATURES.
&&
.AVIATION...SCATTERED SNOW SHOWERS WILL CONTINUE ACROSS WESTERN
MONTANA AND NORTH CENTRAL IDAHO THIS AFTERNOON AND EARLY
EVENING...CREATING PERIODS OF LOWERED VISIBILITY AND CEILING AREA WIDE.
THESE SHOWERS ARE EXPECTED TO DECREASE OVERNIGHT TONIGHT HOWEVER
THIS WILL BRIEF AS CLOUDS AND PRECIPITATION WILL INCREASE OVER THE
AREA ONCE AGAIN BY MORNING. GENERALLY WIDESPREAD MOUNTAIN
OBSCURATIONS CAN BE ANTICIPATED. WEST WINDS THIS AFTERNOON WILL
GRADUALLY DECREASE THIS EVENING.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...HIGH WIND WATCH FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
EVENING BUTTE/BLACKFOOT REGION...FLATHEAD/MISSION VALLEYS...
MISSOULA/BITTERROOT VALLEYS.
WINTER STORM WATCH FROM LATE MONDAY NIGHT THROUGH WEDNESDAY
EVENING FOR LOLO PASS.
WINTER STORM WATCH FROM LATE MONDAY NIGHT THROUGH WEDNESDAY
EVENING FOR I-90 LOOKOUT PASS TO HAUGAN.
ID...HIGH WIND WATCH FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
EVENING EASTERN LEMHI COUNTY...WESTERN LEMHI COUNTY.
WINTER STORM WATCH FROM LATE MONDAY NIGHT THROUGH WEDNESDAY
EVENING FOR LOLO PASS.
&&
SHORT TERM...ZUMPFE/PALLISTER
LONG TERM....KOLATA
AVIATION...PALLISTERThe office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 3:03 PM MST | High Wind Watch | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 54 hr |
Nearby
Winter Storm Watches in Montana, 2012Winter Storm Watches in Idaho, 2012Every winter storm watch in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.