Alert archive / Idaho / Blizzard Warnings in 2007
Blizzard Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this blizzard warning at Dec 2, 2007, 3:12 PM PST for Clearwater County, Idaho County, Idaho. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 2, 2007, 3:12 PM PST (23:12 UTC)
- Expired
- Dec 2, 2007, 8:48 PM PST
- In force
- 6 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID
The radar
The Missoula radar (KMSX), 148 km from the middle of the area, began a volume at 23:11 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.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 11.2 hours before the alert went out and 172 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
- 696 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 277 m²/s²
- 0-3 km storm-relative helicity
- 351 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 022312 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 412 PM MST SUN DEC 2 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND NORTH CENTRAL IDAHO THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE OCCURRING ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL WILL INTERACT WITH THE WINDS ACROSS THE CAMAS PRAIRIE THROUGH MONDAY TO CREATE BLIZZARD CONDITIONS. ELSEWHERE...HISTORIC SNOWFALL AMOUNTS WILL CONTINUE TO MOUNT OVER NW MONTANA THROUGH MONDAY. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY. AS IT DOES SO...THE RAIN WILL INTENSIFY OVER NW MT. THE HEAVY RAINFALL ON SNOW COULD LEAD TO SOME STRUCTURE FAILURES IN LINCOLN COUNTY. IDZ007-008-030600- /O.NEW.KMSO.BZ.W.0001.071202T2312Z-071204T0000Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 312 PM PST SUN DEC 2 2007 ...BLIZZARD WARNING IN EFFECT UNTIL 4 PM PST MONDAY ABOVE 2500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 4 PM PST MONDAY ABOVE 2500 FEET. STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH WILL INTERACT WITH FALLING SNOW AND ALREADY ACCUMULATED SNOW TO REDUCE VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE THROUGH MONDAY AFTERNOON. 6 TO 12 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED DURING THIS TIME FRAME. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS IS OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ MTZ001-030600- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 412 PM MST SUN DEC 2 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 24 TO 36 INCHES WITH LOCAL AMOUNTS UP TO 48 INCHES ARE EXPECTED ACROSS THE AREA THROUGH MONDAY AFTERNOON. ALTHOUGH ALL AREAS WILL BE IMPACTED SIGNIFICANTLY BY THIS EVENT... TROY...LIBBY AND YAAK WILL BE THE AREAS THAT RECEIVE THE MOST SUBSTANTIAL AMOUNTS OF SNOW. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST... KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ004-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 412 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 412 PM MST SUN DEC 2 2007 /312 PM PST SUN DEC 2 2007/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA THROUGH MONDAY MORNING. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. BLOWING AND DRIFTING SNOW WILL ACCOMPANY THESE GUSTY WINDS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-043-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 412 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED THROUGH MONDAY MORNING. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
2 follow-up statements
000 WWUS45 KMSO 030205 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 705 PM MST SUN DEC 2 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND NORTH CENTRAL IDAHO THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE OCCURRING ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL WILL INTERACT WITH THE WINDS ACROSS THE CAMAS PRAIRIE THROUGH MONDAY TO CREATE BLIZZARD CONDITIONS. ELSEWHERE...HISTORIC SNOWFALL AMOUNTS WILL CONTINUE TO MOUNT OVER NW MONTANA THROUGH MONDAY. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY. AS IT DOES SO...THE RAIN WILL INTENSIFY OVER NW MT. THE HEAVY RAINFALL ON SNOW COULD LEAD TO SOME STRUCTURE FAILURES IN LINCOLN COUNTY. IDZ007-008-031015- /O.CON.KMSO.BZ.W.0001.000000T0000Z-071204T0000Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 605 PM PST SUN DEC 2 2007 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM PST MONDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM PST MONDAY. STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH WILL INTERACT WITH FALLING SNOW AND ALREADY ACCUMULATED SNOW TO REDUCE VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE THROUGH MONDAY AFTERNOON. 6 TO 12 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED DURING THIS TIME FRAME. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS IS OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS... MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST... HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ MTZ001-031015- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 705 PM MST SUN DEC 2 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 24 TO 36 INCHES WITH LOCAL AMOUNTS UP TO 48 INCHES ARE EXPECTED ACROSS THE AREA THROUGH MONDAY AFTERNOON. ALTHOUGH ALL AREAS WILL BE IMPACTED SIGNIFICANTLY BY THIS EVENT... TROY...LIBBY AND YAAK WILL BE THE AREAS THAT RECEIVE THE MOST SUBSTANTIAL AMOUNTS OF SNOW. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST... KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ004-031015- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 705 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-031015- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 705 PM MST SUN DEC 2 2007 /605 PM PST SUN DEC 2 2007/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA THROUGH MONDAY MORNING. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. BLOWING AND DRIFTING SNOW WILL ACCOMPANY THESE GUSTY WINDS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-043-031015- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 705 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED THROUGH MONDAY MORNING. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ005-031015- /O.NEW.KMSO.SB.Y.0011.071203T0205Z-071203T1200Z/ MISSOULA/BITTERROOT VALLEYS- 705 PM MST SUN DEC 2 2007 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. THE COMBINATION OF FALLING SNOW AND WINDY CONDITIONS IN THE MISSOULA AND BITTERROOT VALLEYS WILL MAKE TRAVEL HAZARDOUS AT TIMES. SNOW ACCUMULATIONS OF 3 TO 5 INCHES AND 15 TO 20 MPH WINDS WITH GUSTS TO 30 MPH ARE EXPECTED UNTIL EARLY MONDAY MORNING. THE COMBINATION OF SNOW AND WINDS WILL LOWER VISIBILITIES DOWN TO 1/4 MILE AT TIMES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$
000 WWUS45 KMSO 030448 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 948 PM MST SUN DEC 2 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND NORTH CENTRAL IDAHO THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE OCCURRING ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL WILL INTERACT WITH THE WINDS ACROSS THE CAMAS PRAIRIE THROUGH MONDAY TO CREATE BLIZZARD CONDITIONS. ELSEWHERE...HISTORIC SNOWFALL AMOUNTS WILL CONTINUE TO MOUNT OVER NW MONTANA THROUGH MONDAY. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY. AS IT DOES SO...THE RAIN WILL INTENSIFY OVER NW MT. THE HEAVY RAINFALL ON SNOW COULD LEAD TO SOME STRUCTURE FAILURES IN LINCOLN COUNTY. IDZ007-008-030600- /O.CAN.KMSO.BZ.W.0001.000000T0000Z-071204T0000Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 848 PM PST SUN DEC 2 2007 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE BLIZZARD WARNING. LITTLE SNOW HAS ACCUMULATED OVER THE AREA TODAY WHICH HAS LESSENED THE IMPACT OF BLOWING SNOW AND REDUCED VISIBILITIES. WINDS WILL STILL REMAIN STRONG UNTIL MONDAY EVENING AND HAVE ISSUED A HIGH WIND WARNING FOR THE OROFINO AND GRANGEVILLE AREA AND A WIND ADVISORY FOR THE LOWER HELLS CANYON/SALMON RIVER AREA UNTIL THEN. DRIFTING SNOW WILL ALSO CONTINUE TO CREATE TRAVEL DIFFICULTIES THROUGH MONDAY MORNING. $$ MTZ001-031300- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 948 PM MST SUN DEC 2 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 24 TO 36 INCHES WITH LOCAL AMOUNTS UP TO 48 INCHES ARE EXPECTED ACROSS THE AREA THROUGH MONDAY AFTERNOON. ALTHOUGH ALL AREAS WILL BE IMPACTED SIGNIFICANTLY BY THIS EVENT... TROY...LIBBY AND YAAK WILL BE THE AREAS THAT RECEIVE THE MOST SUBSTANTIAL AMOUNTS OF SNOW. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST... KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ004-031300- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 948 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-031300- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 948 PM MST SUN DEC 2 2007 /848 PM PST SUN DEC 2 2007/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA THROUGH MONDAY MORNING. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. BLOWING AND DRIFTING SNOW WILL ACCOMPANY THESE GUSTY WINDS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-043-031300- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 948 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED THROUGH MONDAY MORNING. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ005-031200- /O.CON.KMSO.SB.Y.0011.000000T0000Z-071203T1200Z/ MISSOULA/BITTERROOT VALLEYS- 948 PM MST SUN DEC 2 2007 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. THE COMBINATION OF FALLING SNOW AND WINDY CONDITIONS IN THE MISSOULA AND BITTERROOT VALLEYS WILL MAKE TRAVEL HAZARDOUS AT TIMES. SNOW ACCUMULATIONS OF 3 TO 5 INCHES AND 15 TO 20 MPH WINDS WITH GUSTS TO 30 MPH ARE EXPECTED UNTIL EARLY MONDAY MORNING. THE COMBINATION OF SNOW AND WINDS WILL LOWER VISIBILITIES DOWN TO 1/4 MILE AT TIMES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 7:58 PM PST | Winter Storm Warning | MSO | Clearwater, Idaho | 44 hr |
Nearby
Blizzard Warnings in Idaho, 2007Every blizzard warning in 2007
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.