Alert archive / Montana / Winter Storm Warnings in 2012
Winter Storm Warning 10, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Dec 1, 2012, 11:07 AM PST for Clearwater County, Idaho County, Lemhi County, Idaho; 8 counties in Montana. It took effect at Dec 1, 2012, 10:00 PM PST. It was in force for 20 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 1, 2012, 11:07 AM PST (19:07 UTC)
- In effect from
- Dec 1, 2012, 10:00 PM PST
- Expired
- Dec 2, 2012, 6:04 PM PST
- In force
- 20 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Lemhi County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 39 km from the middle of the area, began a volume at 19:11 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 2, 1:27 PM PST | HEAVY SNOW 8 | 5 Nnw East Portal, MT | 8 INCHES OF SNOW IN THE LAST 24 HOURS AT LOOKOUT PASS SKI AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 7.1 hours before the alert went out and 186 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
- 1152 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
438 WWUS45 KMSO 011907 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1207 PM MST SAT DEC 1 2012 IDZ005-006-MTZ004-006-020515- /O.UPG.KMSO.WS.A.0008.121202T0600Z-121203T0600Z/ /O.NEW.KMSO.WS.W.0010.121202T0600Z-121203T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 1207 PM MST SAT DEC 1 2012 /1107 AM PST SAT DEC 1 2012/ ...WINTER STORM WARNING IN EFFECT FROM 11 PM MST /10 PM PST/ THIS EVENING TO 5 PM MST /4 PM PST/ SUNDAY ABOVE 4500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 4500 FEET...WHICH IS IN EFFECT FROM 11 PM MST /10 PM PST/ THIS EVENING TO 5 PM MST /4 PM PST/ SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL OCCUR LATE TONIGHT THROUGH SUNDAY. WINDS SHOULD DEVELOP SUNDAY MORNING AND LAST THROUGH THE DAY. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR LOOKOUT... LOLO... AND LOST TRAIL PASSES. * SNOW ACCUMULATIONS: 6 TO 12 INCHES POSSIBLE ABOVE 4500 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 30 TO 40 MPH POSSIBLE ON SUNDAY. * LOCATIONS IMPACTED INCLUDE...DIXIE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ002-043-020515- /O.UPG.KMSO.WS.A.0008.121202T0600Z-121203T0600Z/ /O.NEW.KMSO.WS.W.0010.121202T1200Z-121203T0600Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1207 PM MST SAT DEC 1 2012 ...WINTER STORM WARNING IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY ABOVE 5000 FEET FOR...MARIAS PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 5000 FEET...WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL INTENSIFY THROUGHOUT THE DAY SUNDAY. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR MARIAS PASS. * SNOW ACCUMULATIONS: 6 TO 12 INCHES OF SNOW POSSIBLE ABOVE 5000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH POSSIBLE BY SUNDAY AFTERNOON. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ IDZ010-020515- /O.UPG.KMSO.WS.A.0008.121202T0600Z-121203T0600Z/ /O.NEW.KMSO.WS.W.0010.121202T0600Z-121203T0000Z/ EASTERN LEMHI COUNTY- 1207 PM MST SAT DEC 1 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY ABOVE 6000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 6000 FEET...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: MODERATE TO HEAVY SNOW AND GUSTY WINDS WILL OCCUR LATE TONIGHT THROUGH SUNDAY. WINDS SHOULD DEVELOP SUNDAY MORNING AND LAST THROUGH THE EVENING HOURS. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR LOST TRAIL...BANNOCK AND GILMORE PASSES. * SNOW ACCUMULATIONS: 6 TO 12 INCHES POSSIBLE AT MOUNTAIN PASSES. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH POSSIBLE ON SUNDAY. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ007-020515- /O.UPG.KMSO.WS.A.0008.121202T0600Z-121203T0600Z/ /O.NEW.KMSO.WW.Y.0058.121202T1200Z-121203T0600Z/ BUTTE/BLACKFOOT REGION- 1207 PM MST SAT DEC 1 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY ABOVE 6000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW ABOVE 6000 FEET... WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL OCCUR LATE TONIGHT THROUGH SUNDAY. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR GEORGETOWN LAKE AREA...MACDONALD PASS...AND HOMESTAKE PASS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES POSSIBLE ABOVE 6000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH POSSIBLE ON SUNDAY. * LOCATIONS IMPACTED INCLUDE...GEORGETOWN LAKE...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
4 follow-up statements
770 WWUS45 KMSO 020340 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 840 PM MST SAT DEC 1 2012 IDZ005-006-MTZ004-006-022100- /O.CON.KMSO.WS.W.0010.121202T0600Z-121203T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 840 PM MST SAT DEC 1 2012 /740 PM PST SAT DEC 1 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ SUNDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ SUNDAY. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL OCCUR THROUGH SUNDAY. WINDS SHOULD DEVELOP SUNDAY MORNING AND LAST THROUGH THE DAY. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR LOOKOUT... LOLO... AND LOST TRAIL PASSES. * SNOW ACCUMULATIONS: 6 TO 12 INCHES POSSIBLE ABOVE 4500 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 30 TO 40 MPH POSSIBLE ON SUNDAY. * LOCATIONS IMPACTED INCLUDE...DIXIE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ002-043-022100- /O.CON.KMSO.WS.W.0010.121202T1200Z-121203T0600Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 840 PM MST SAT DEC 1 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL INTENSIFY THROUGHOUT THE DAY SUNDAY. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR MARIAS PASS. * SNOW ACCUMULATIONS: 6 TO 12 INCHES OF SNOW POSSIBLE ABOVE 5000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH POSSIBLE BY SUNDAY AFTERNOON. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ IDZ010-022100- /O.CON.KMSO.WS.W.0010.121202T0600Z-121203T0000Z/ EASTERN LEMHI COUNTY- 840 PM MST SAT DEC 1 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY ABOVE 6000 FEET... A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. * IMPACTS/TIMING: MODERATE TO HEAVY SNOW AND GUSTY WINDS WILL OCCUR THROUGH SUNDAY. WINDS SHOULD DEVELOP SUNDAY MORNING AND LAST THROUGH THE EVENING HOURS. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR LOST TRAIL...BANNOCK AND GILMORE PASSES. * SNOW ACCUMULATIONS: 6 TO 12 INCHES POSSIBLE AT MOUNTAIN PASSES. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH POSSIBLE ON SUNDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ007-022100- /O.CON.KMSO.WW.Y.0058.121202T1200Z-121203T0600Z/ BUTTE/BLACKFOOT REGION- 840 PM MST SAT DEC 1 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY ABOVE 6000 FEET... A WINTER WEATHER ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT FROM 5 AM TO 11 PM MST SUNDAY. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL OCCUR THROUGH SUNDAY. THE COMBINATION OF SNOW AND WIND COULD CAUSE WHITE OUT CONDITIONS AT TIMES FOR GEORGETOWN LAKE AREA...MACDONALD PASS...AND HOMESTAKE PASS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES POSSIBLE ABOVE 6000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH POSSIBLE ON SUNDAY. * LOCATIONS IMPACTED INCLUDE...GEORGETOWN LAKE...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
986 WWUS45 KMSO 021102 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 402 AM MST SUN DEC 2 2012 IDZ005-006-MTZ004-006-030000- /O.CON.KMSO.WS.W.0010.000000T0000Z-121203T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 402 AM MST SUN DEC 2 2012 /302 AM PST SUN DEC 2 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL OCCUR TODAY. WINDS WILL DEVELOP THIS MORNING AND LAST THROUGH THE DAY. SNOWFALL RATES OF 2-3 INCHES AN HOUR FOR SEVERAL HOURS IS EXPECTED FROM MID MORNING THROUGH EARLY AFTERNOON. THE COMBINATION OF SNOW AND WIND WILL CAUSE WHITE OUT CONDITIONS AT TIMES FOR LOOKOUT... LOLO...AND LOST TRAIL PASSES. * SNOW ACCUMULATIONS: 8 TO 14 INCHES ABOVE 4500 FEET...LOCALLY UP TO 20 INCHES ABOVE 7000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 30 TO 40 MPH. * LOCATIONS IMPACTED INCLUDE...DIXIE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...AND LOOKOUT PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ002-043-030000- /O.CON.KMSO.WS.W.0010.121202T1200Z-121203T0600Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 402 AM MST SUN DEC 2 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL INTENSIFY THROUGHOUT THE DAY. THE COMBINATION OF SNOW AND WIND WILL CAUSE WHITE OUT CONDITIONS AT TIMES FOR MARIAS PASS. * SNOW ACCUMULATIONS: 6 TO 12 INCHES OF SNOW ABOVE 5000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ IDZ010-030000- /O.CON.KMSO.WS.W.0010.000000T0000Z-121203T0000Z/ EASTERN LEMHI COUNTY- 402 AM MST SUN DEC 2 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 6000 FEET... A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * IMPACTS/TIMING: MODERATE TO HEAVY SNOW AND GUSTY WINDS WILL OCCUR THROUGH THE DAY. SNOWFALL RATES OF 2-3 INCHES PER HOUR ARE EXPECTED FOR SEVERAL HOURS FROM MID MORNING THROUGH EARLY AFTERNOON. WINDS WILL DEVELOP BY MID MORNING AND LAST THROUGH THE EVENING HOURS. THE COMBINATION OF SNOW AND WIND WILL CAUSE WHITE OUT CONDITIONS AT TIMES FOR LOST TRAIL... BANNOCK AND GILMORE PASSES. * SNOW ACCUMULATIONS: 8 TO 14 INCHES ABOVE 6000 FEET...LOCALLY UP TO 20 INCHES ABOVE 7000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ007-030000- /O.CON.KMSO.WW.Y.0058.121202T1200Z-121203T0600Z/ BUTTE/BLACKFOOT REGION- 402 AM MST SUN DEC 2 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 6000 FEET... A WINTER WEATHER ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: MODERATE TO HEAVY SNOWFALL AND GUSTY WINDS WILL OCCUR THROUGH THE DAY. THE COMBINATION OF SNOW AND WIND WILL CAUSE WHITE OUT CONDITIONS AT TIMES FOR THE GEORGETOWN LAKE AREA...MACDONALD PASS...AND HOMESTAKE PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES ABOVE 6000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. * LOCATIONS IMPACTED INCLUDE...GEORGETOWN LAKE...MACDONALD AND HOMESTAKE PASSES PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
712 WWUS45 KMSO 022353 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 453 PM MST SUN DEC 2 2012 IDZ005-006-MTZ004-006-030100- /O.EXP.KMSO.WS.W.0010.000000T0000Z-121203T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 453 PM MST SUN DEC 2 2012 /353 PM PST SUN DEC 2 2012/ ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST /4 PM PST/ THIS AFTERNOON ABOVE 4500 FEET... THE WINTER STORM WARNING ABOVE 4500 FEET WILL EXPIRE AT 5 PM MST /4 PM PST/ THIS AFTERNOON. SNOW SHOWERS WILL CONTINUE OVERNIGHT TONIGHT BUT ONLY LIGHT ACCUMULATIONS EXPECTED ON LOLO AND LOOKOUT PASSES. * LOCATIONS IMPACTED INCLUDE...DIXIE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS $$ IDZ010-030100- /O.EXP.KMSO.WS.W.0010.000000T0000Z-121203T0000Z/ EASTERN LEMHI COUNTY- 453 PM MST SUN DEC 2 2012 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON ABOVE 6000 FEET... THE WINTER STORM WARNING ABOVE 6000 FEET WILL EXPIRE AT 5 PM MST THIS AFTERNOON. SNOW WILL CONTINUE FOR THE NEXT COUPLE OF HOURS OVER LOST TRAIL PASS BUT INTENSITIES WILL GREATLY DECREASE AFTER 5PM. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS $$ MTZ002-043-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-121203T0600Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 453 PM MST SUN DEC 2 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 5000 FEET FOR...MARIAS PASS... A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: SNOW AND WIND WILL CONTINUE THROUGH THIS EVENING AND OVERNIGHT TONIGHT. * SNOW ACCUMULATIONS: 6 TO 12 INCHES TOTAL ABOVE 5000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ007-030600- /O.CON.KMSO.WW.Y.0058.000000T0000Z-121203T0600Z/ BUTTE/BLACKFOOT REGION- 453 PM MST SUN DEC 2 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 6000 FEET... A WINTER WEATHER ADVISORY ABOVE 6000 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: SNOW AND GUSTY WINDS WILL CONTINUE TO PRODUCE POOR DRIVING CONDITIONS FOR THE GEORGETOWN LAKE AREA...MACDONALD PASS...AND HOMESTAKE PASS THROUGH THIS EVENING. * SNOW ACCUMULATIONS: 4 TO 8 INCHES TOTAL ABOVE 6000 FEET. * WINDS: SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. * LOCATIONS IMPACTED INCLUDE...GEORGETOWN LAKE...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
863 WWUS45 KMSO 030204 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 704 PM MST SUN DEC 2 2012 MTZ002-043-031200- /O.CAN.KMSO.WS.W.0010.000000T0000Z-121203T0600Z/ /O.NEW.KMSO.WW.Y.0059.121203T0204Z-121203T2200Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 704 PM MST SUN DEC 2 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 3 PM MST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * IMPACTS/TIMING: SNOW WILL AGAIN ENHANCE LATE THIS EVENING AND COOLER TEMPERATURES WILL ALLOW FOR SNOW ACCUMULATIONS AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 6 TO 10 INCHES ABOVE 4000 FEET AND 3 TO 6 INCHES ELSEWHERE BY MONDAY AFTERNOON. 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. && $$ MTZ007-030315- /O.CAN.KMSO.WW.Y.0058.000000T0000Z-121203T0600Z/ BUTTE/BLACKFOOT REGION- 704 PM MST SUN DEC 2 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS DECREASED AND ADDITIONAL ACCUMULATIONS WILL BE MINIMAL. $$ MTZ004-006-031200- /O.NEW.KMSO.WW.Y.0059.121203T0204Z-121203T2200Z/ LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 704 PM MST SUN DEC 2 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 3 PM MST MONDAY. * IMPACTS/TIMING: SNOW WILL AGAIN INCREASE THIS EVENING AND COOLER TEMPERATURES WILL ALLOW FOR ACCUMULATIONS AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 6 TO 10 INCREASES ABOVE 4500 FEET INCLUDING LOOKOUT AND LOLO PASSES AND 2 TO 4 INCHES BELOW 4500 FEET BY MONDAY AFTERNOON. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS... LOLO PASS 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. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 1:05 PM PST | Wind Advisory | MSO | Clearwater, Idaho | 22 hr |
| Dec 1, 11:07 AM PST | Winter Weather Advisory | MSO | Deer Lodge, Granite, Powell, Silver Bow | 31 hr |
Nearby
Winter Storm Warnings in Montana, 2012Winter Storm Warnings in Idaho, 2012Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.