Alert archive / Montana / Winter Storm Warnings in 2007
Winter Storm Warning 10, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Dec 1, 2007, 7:58 PM PST for Clearwater County, Idaho County, Idaho; 8 counties in Montana. It took effect at Dec 2, 2007, 4:00 AM PST. It was in force for 36 hr. 10 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 1, 2007, 7:58 PM PST (03:58 UTC)
- In effect from
- Dec 2, 2007, 4:00 AM PST
- Expired
- Dec 3, 2007, 3:42 PM PST
- In force
- 36 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho 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), 31 km from the middle of the area, began a volume at 03:55 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, 7:00 AM PST | HEAVY SNOW 7.4 | 1 N Polebridge, MT | |
| Dec 2, 7:00 AM PST | HEAVY SNOW 9.4 | 6 Ne Heron, MT | 6.7 INCH SINCE MIDNIGHT MST |
| Dec 2, 11:30 AM PST | HEAVY SNOW 8 | Olney, MT | SNOW REPORTS RANGED FROM 6 TO 8 INCHES |
| Dec 2, 1:25 PM PST | HEAVY SNOW 14.2 | 9 Nnw Noxon, MT | |
| Dec 2, 1:30 PM PST | BLIZZARD | Grangeville, ID | GRANGEVILLE PUBLIC WORKS REPORTED BLIZZARD CONDITIONS OVER GRANGEVILLE AND THE CAMAS PRAIRIE FROM 130PM TO 530PM PST. SNOW DRIFTS OF 4 TO 5 FEET CAUSED THE CLOSURE OF OAK AND EAST SOUTH 7TH STREETS. |
| Dec 2, 1:36 PM PST | SNOW 2 | 11 E Orofino, ID | |
| Dec 2, 1:41 PM PST | SNOW 5.5 | Polebridge, MT | |
| Dec 2, 2:30 PM PST | BLIZZARD | 5 Se Grangeville, ID | WEATHER SPOTTER REPORTED STRONG WINDS CAUSING BLIZZARD CONDITIONS SOUTH OF GRANGEVILLE AT 4000 FEET ELEVATION FROM 230PM TO 530 PM PST. |
| Dec 2, 3:00 PM PST | BLIZZARD | Cottonwood, ID | HIGH WINDS AND REDUCED VISIBILITIES IN SNOW BEGAN AROUND 2PM PST. |
| Dec 2, 6:40 PM PST | HEAVY SNOW 10 | West Glacier, MT | MONTANA ROAD REPORT REPORTED 10 INCHES OF NEW SNOW ON HIGHWAY 2 FROM WEST GLACIER TO ESSEX WITH SNOW-COVERED ROADS AND POOR VISIBILITY FROM BLOWING 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, 4.0 hours before the alert went out and 173 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
- 588 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 262 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 020358 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 858 PM MST SAT DEC 1 2007 .A VERY MOIST PACIFIC STORM SYSTEM WILL MOVE INTO NORTHWEST MONTANA AND NORTH CENTRAL IDAHO SUNDAY THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE EXPECTED ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN THE LOWER ELEVATIONS DURING THE AFTERNOON MONDAY BEFORE TAPERING OFF OVER MOST AREAS. A BRIEF PERIOD OF FREEZING RAIN IS POSSIBLE IN THE VALLEYS ON MONDAY MORNING THROUGH EARLY MONDAY AFTERNOON AS THE SNOW BEGINS TO CHANGE OVER TO RAIN. MTZ004-021300- /O.CAN.KMSO.HS.W.0019.071202T1200Z-071204T0000Z/ /O.NEW.KMSO.WS.W.0010.071202T1200Z-071204T0000Z/ LOWER CLARK FORK REGION- 858 PM MST SAT DEC 1 2007 ...WINTER STORM WARNING IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY... ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY. THE HEAVY SNOW WARNING HAS BEEN CANCELLED. TOTAL SNOWFALL ACCUMULATIONS OF 12 TO 24 INCHES ARE EXPECTED SUNDAY MORNING THROUGH MONDAY AFTERNOON IN AREAS NORTH OF SAINT REGIS AND IN THE SURROUNDING MOUNTAINS. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. BLOWING AND DRIFTING SNOW WILL ACCOMPANY THESE GUSTY WINDS. INTERSTATE 90 FROM LOOKOUT PASS TO FRENCHTOWN 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. $$ IDZ005-006-MTZ006-021300- /O.CAN.KMSO.HS.W.0019.071202T1800Z-071203T1800Z/ /O.NEW.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 858 PM MST SAT DEC 1 2007 /758 PM PST SAT DEC 1 2007/ ...WINTER STORM WARNING IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY... ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 11 AM MST /10 AM PST/ MONDAY. THE HEAVY SNOW WARNING HAS BEEN CANCELLED. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA LATE SUNDAY MORNING THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. BLOWING AND DRIFTING SNOW WILL ACCOMPANY THESE GUSTY WINDS. LOLO PASS...PIERCE...ELK RIVER AND WEIPPE WILL BE AMONG THE AREAS MOST IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-043-021300- /O.CAN.KMSO.HS.W.0019.071202T1800Z-071203T1800Z/ /O.NEW.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 858 PM MST SAT DEC 1 2007 ...WINTER STORM WARNING IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY... ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY. THE HEAVY SNOW WARNING HAS BEEN CANCELLED. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED LATE SUNDAY MORNING THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. BLOWING AND DRIFTING SNOW WILL ACCOMPANY THESE GUSTY WINDS. US HIGHWAY 2 FROM HUNGRY HORSE TO MARIAS PASS WILL BE AMONG THE AREAS 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. $$ MTZ001-021300- /O.CON.KMSO.HS.W.0019.071202T1200Z-071204T0000Z/ KOOTENAI/CABINET REGION- 858 PM MST SAT DEC 1 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM SUNDAY TO 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 12 TO 24 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR YAAK ARE EXPECTED ACROSS THE AREA SUNDAY MORNING THROUGH MONDAY AFTERNOON. LIBBY AND TROY WILL ALSO BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$
13 follow-up statements
000 WWUS45 KMSO 021049 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 349 AM MST SUN DEC 2 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO MOVE INTO NORTHWEST MONTANA AND NORTH CENTRAL IDAHO THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE EXPECTED ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY BEFORE TAPERING OFF. A BRIEF PERIOD OF FREEZING RAIN IS POSSIBLE IN SOME WESTERN MONTANA VALLEYS ON MONDAY AFTERNOON AS COLDER AIR TRAPPED NEAR THE SURFACE FINALLY ERODES AWAY. MTZ001-022200- /O.CON.KMSO.HS.W.0019.071202T1200Z-071204T0000Z/ KOOTENAI/CABINET REGION- 349 AM 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 12 TO 24 INCHES ARE EXPECTED ACROSS THE AREA TODAY THROUGH MONDAY AFTERNOON. LIBBY AND TROY WILL ALSO BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED. 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. $$ MTZ004-022200- /O.CON.KMSO.WS.W.0010.071202T1200Z-071204T0000Z/ LOWER CLARK FORK REGION- 349 AM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 20 INCHES ARE EXPECTED TODAY THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-022200- /O.CON.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 349 AM MST SUN DEC 2 2007 /249 AM PST SUN DEC 2 2007/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF UP TO 20 INCHES ARE EXPECTED ACROSS THE AREA LATE SUNDAY MORNING 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. LOLO PASS...PIERCE...DIXIE AND HEADQUARTERS WILL BE AMONG THE AREAS MOST 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. $$ MTZ002-043-022200- /O.CON.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 349 AM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED LATE SUNDAY MORNING THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. US HIGHWAY 2 FROM HUNGRY HORSE TO MARIAS PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KMSO 021115 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 414 AM MST SUN DEC 2 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO MOVE INTO NORTHWEST MONTANA AND NORTH CENTRAL IDAHO THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE EXPECTED ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY BEFORE TAPERING OFF. A BRIEF PERIOD OF FREEZING RAIN IS POSSIBLE IN SOME WESTERN MONTANA VALLEYS ON MONDAY AFTERNOON AS COLDER AIR TRAPPED NEAR THE SURFACE FINALLY ERODES AWAY. MTZ001-022230- /O.CON.KMSO.HS.W.0019.071202T1200Z-071204T0000Z/ KOOTENAI/CABINET REGION- 414 AM 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 12 TO 24 INCHES ARE EXPECTED ACROSS THE AREA TODAY THROUGH MONDAY AFTERNOON. LIBBY AND TROY WILL ALSO BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED. 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. $$ MTZ004-022230- /O.CON.KMSO.WS.W.0010.071202T1200Z-071204T0000Z/ LOWER CLARK FORK REGION- 414 AM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 20 INCHES ARE EXPECTED TODAY THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-022230- /O.COR.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 414 AM MST SUN DEC 2 2007 /314 AM PST SUN DEC 2 2007/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA LATE SUNDAY MORNING 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. LOLO PASS...PIERCE...DIXIE AND HEADQUARTERS WILL BE AMONG THE AREAS MOST 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. $$ MTZ002-043-022230- /O.CON.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 414 AM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED LATE SUNDAY MORNING THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. US HIGHWAY 2 FROM HUNGRY HORSE TO MARIAS PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KMSO 021308 CCB WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 607 AM MST SUN DEC 2 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO MOVE INTO NORTHWEST MONTANA AND NORTH CENTRAL IDAHO THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE EXPECTED ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY BEFORE TAPERING OFF. A BRIEF PERIOD OF FREEZING RAIN IS POSSIBLE IN SOME WESTERN MONTANA VALLEYS ON MONDAY AFTERNOON AS COLDER AIR TRAPPED NEAR THE SURFACE FINALLY ERODES AWAY. MTZ001-030030- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 607 AM 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 12 TO 24 INCHES ARE EXPECTED ACROSS THE AREA TODAY THROUGH MONDAY AFTERNOON. LIBBY AND TROY WILL ALSO BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED. 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. $$ MTZ004-030030- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 607 AM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 20 INCHES ARE EXPECTED TODAY THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-030030- /O.COR.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 607 AM MST SUN DEC 2 2007 /507 AM PST SUN DEC 2 2007/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 11 AM MST /10 AM PST/ MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA LATE THIS MORNING 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. LOLO PASS...PIERCE...DIXIE AND HEADQUARTERS WILL BE AMONG THE AREAS MOST 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. $$ MTZ002-043-030030- /O.COR.KMSO.WS.W.0010.071202T1800Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 607 AM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED LATE THIS MORNING THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. US HIGHWAY 2 FROM HUNGRY HORSE TO MARIAS PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KMSO 022028 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 128 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 IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY BEFORE TAPERING OFF. A BRIEF PERIOD OF FREEZING RAIN IS POSSIBLE IN SOME NORTHWESTERN MONTANA VALLEYS ON MONDAY AFTERNOON AS COLDER AIR TRAPPED NEAR THE SURFACE FINALLY ERODES AWAY. MTZ001-030600- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 128 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 18 TO 36 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED ACROSS THE AREA TODAY THROUGH MONDAY AFTERNOON. THOUGH 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. $$ MTZ004-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 128 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 128 PM MST SUN DEC 2 2007 /1228 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. $$ MTZ002-043-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 128 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED LATE THIS MORNING THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KMSO 022055 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 154 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 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. MTZ001-030600- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 154 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 18 TO 36 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED ACROSS THE AREA TODAY THROUGH MONDAY AFTERNOON. THOUGH 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. $$ MTZ004-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 154 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 154 PM MST SUN DEC 2 2007 /1254 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. $$ MTZ002-043-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 154 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED LATE THIS MORNING THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KMSO 022100 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 154 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 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. MTZ001-030600- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 154 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 18 TO 36 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED ACROSS THE AREA TODAY THROUGH MONDAY AFTERNOON. THOUGH 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. $$ MTZ004-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 154 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. IN ADDITION...WINDS 15 TO 20 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED. THIS COMBINATION WILL PRODUCE BLOWING AND DRIFTING SNOW. INTERSTATE 90 FROM LOOKOUT PASS TO SUPERIOR WILL BE SIGNIFICANTLY IMPACTED BY THIS EVENT. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 154 PM MST SUN DEC 2 2007 /1254 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. $$ MTZ002-043-030600- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 154 PM MST SUN DEC 2 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED THROUGH MONDAY MORNING. IN ADDITION...WINDS 20 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED. THE COMBINATION OF SNOW AND WIND WILL CREATE BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND GUSTY WINDS ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
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. $$
000 WWUS45 KMSO 030205 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 705 PM MST SUN DEC 2 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND NORTH CENTRAL IDAHO THROUGH MONDAY. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE OCCURRING ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. THE HEAVY SNOWFALL WILL INTERACT WITH THE WINDS ACROSS THE CAMAS PRAIRIE THROUGH MONDAY TO CREATE BLIZZARD CONDITIONS. ELSEWHERE...HISTORIC SNOWFALL AMOUNTS WILL CONTINUE TO MOUNT OVER NW MONTANA THROUGH MONDAY. THE HEAVY SNOWFALL IS EXPECTED TO CHANGE OVER TO RAIN IN SOME AREAS DURING THE AFTERNOON ON MONDAY. AS IT DOES SO...THE RAIN WILL INTENSIFY OVER NW MT. THE HEAVY RAINFALL ON SNOW COULD LEAD TO SOME STRUCTURE FAILURES IN LINCOLN COUNTY. IDZ007-008-031015- /O.CON.KMSO.BZ.W.0001.000000T0000Z-071204T0000Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 605 PM PST SUN DEC 2 2007 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM PST MONDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 PM PST MONDAY. STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH WILL INTERACT WITH FALLING SNOW AND ALREADY ACCUMULATED SNOW TO REDUCE VISIBILITIES TO LESS THAN ONE QUARTER OF A MILE THROUGH MONDAY AFTERNOON. 6 TO 12 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED DURING THIS TIME FRAME. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS IS OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS... MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST... HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ 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. $$
000 WWUS45 KMSO 031036 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 336 AM MST MON DEC 3 2007 .A WARM MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND NORTH CENTRAL IDAHO TODAY AND THE WEST GLACIER REGION TONIGHT. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE OCCURRING ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. SNOW LEVELS WILL BE RISING AS THE LOWER ATMOSPHERE WARMS...RESULTING IN PRECIPITATION CHANGING OVER TO RAIN IN MOST VALLEY LOCATIONS THIS MORNING. AS THIS CHANGEOVER TO RAIN OCCURS...THE COMBINED WEIGHT OF RAIN AND RECENT HEAVY SNOWFALL COULD LEAD TO SOME STRUCTURE FAILURES IN LINCOLN COUNTY. MTZ005-031145- /O.CAN.KMSO.SB.Y.0011.000000T0000Z-071203T1200Z/ MISSOULA/BITTERROOT VALLEYS- 336 AM MST MON DEC 3 2007 ...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW AND BLOWING SNOW ADVISORY. THE AIR MASS HAS WARMED AND SNOW HAS CHANGED OVER TO RAIN. $$ MTZ002-031800- /O.EXT.KMSO.WS.W.0010.000000T0000Z-071204T1000Z/ WEST GLACIER REGION- 336 AM MST MON DEC 3 2007 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 3 AM MST TUESDAY ABOVE 4000 FEET... THE WINTER STORM WARNING ABOVE 4000 FEET IS NOW IN EFFECT UNTIL 3 AM MST TUESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES ARE EXPECTED THROUGH TUESDAY MORNING. SNOW LEVELS WILL BE RISING ABOVE 4000 FEET BY THIS AFTERNOON. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED OVER THE HIGHER TERRAIN CAUSING BLOWING AND DRIFTING OF SNOW. $$ MTZ004-031800- /O.EXT.KMSO.WS.W.0010.000000T0000Z-071203T2100Z/ LOWER CLARK FORK REGION- 336 AM MST MON DEC 3 2007 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON ABOVE 4000 FEET... THE WINTER STORM WARNING ABOVE 4000 FEET IS NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED BY THIS AFTERNOON. SNOW LEVELS WILL BE RISING ABOVE 4000 FEET BY THIS AFTERNOON. IN ADDITION... WINDS 15 TO 25 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED CAUSING BLOWING AND DRIFTING OF SNOW. INTERSTATE 90 OVER LOOKOUT PASS WILL BE ONE OF THE AREAS MOST IMPACTED BY THIS EVENT. $$ IDZ006-MTZ006-031800- /O.EXT.KMSO.WS.W.0010.000000T0000Z-071203T2100Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 336 AM MST MON DEC 3 2007 /236 AM PST MON DEC 3 2007/ ...WINTER STORM WARNING NOW IN EFFECT UNTIL 2 PM MST /1 PM PST/ THIS AFTERNOON ABOVE 4500 FEET... THE WINTER STORM WARNING ABOVE 4500 FEET IS NOW IN EFFECT UNTIL 2 PM MST /1 PM PST/ THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA BY THIS MORNING. SNOW LEVELS WILL BE RISING ABOVE 4500 FEET BY THIS AFTERNOON. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED OVER THE HIGHER TERRAIN CAUSING BLOWING AND DRIFTING OF SNOW. $$ MTZ001-031800- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 336 AM MST MON DEC 3 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 3500 FEET... A HEAVY SNOW WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 24 TO 36 INCHES WITH LOCAL AMOUNTS UP TO 48 INCHES ARE EXPECTED ACROSS THE AREA BY THIS AFTERNOON. SNOW LEVELS WILL BE RISING ABOVE 3500 FEET BY THIS AFTERNOON. PRECIPITATION WILL BE CHANGING OVER TO RAIN IN THE VALLEYS THIS MORNING...WHILE HEAVY SNOW AND WINDS CONTINUE OVER THE HIGHER TERRAIN. $$ MTZ043-031800- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ POTOMAC/SEELEY LAKE REGION- 336 AM MST MON DEC 3 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING ABOVE 4000 FEET... A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 15 INCHES ARE EXPECTED BY THIS MORNING. SNOW LEVELS WILL BE RISING ABOVE 4000 FEET THIS MORNING. PRECIPITATION WILL BR CHANGING OVER TO RAIN IN THE VALLEYS THIS MORNING...WHILE HEAVY SNOW AND WINDS CONTINUE OVER THE HIGHER TERRAIN. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED CAUSING BLOWING AND DRIFTING OF SNOW. $$ IDZ005-031800- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS- 236 AM PST MON DEC 3 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 4000 FEET... A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA THROUGH MONDAY MORNING. PRECIPITATION HAS CHANGED OVER TO RAIN IN THE VALLEYS THIS MORNING...WHILE HEAVY SNOW AND WINDS CONTINUE OVER THE HIGHER TERRAIN. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED OVER THE HIGHER TERRAIN CAUSING BLOWING AND DRIFTING OF SNOW. $$
000 WWUS45 KMSO 031723 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1023 AM MST MON DEC 3 2007 .A WARM MOIST STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND NORTH CENTRAL IDAHO TODAY AND THE WEST GLACIER REGION TONIGHT. HEAVY SNOWFALL AMOUNTS AND STRONG WINDS ARE OCCURRING ACROSS PORTIONS OF NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. SNOW LEVELS WILL BE RISING AS THE LOWER ATMOSPHERE WARMS...RESULTING IN PRECIPITATION CHANGING OVER TO RAIN IN MOST VALLEY LOCATIONS. AS THIS CHANGEOVER TO RAIN OCCURS...THE COMBINED WEIGHT OF RAIN AND RECENT HEAVY SNOWFALL COULD LEAD TO SOME STRUCTURE FAILURES IN LINCOLN COUNTY. IDZ005-MTZ043-031830- /O.CAN.KMSO.WS.W.0010.000000T0000Z-071203T1800Z/ NORTHERN CLEARWATER MOUNTAINS-POTOMAC/SEELEY LAKE REGION- 1023 AM MST MON DEC 3 2007 /923 AM PST MON DEC 3 2007/ ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. SNOW WILL CONTINUE IN THE MOUNTAINS INTO THIS EVENING...BUT SNOW LEVELS WILL SLOWLY RISE AS WELL. $$ MTZ001-040000- /O.CON.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 1023 AM MST MON DEC 3 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 3500 FEET... A HEAVY SNOW WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 24 TO 36 INCHES WITH LOCAL AMOUNTS UP TO 48 INCHES ARE EXPECTED ACROSS THE AREA BY THIS AFTERNOON. SNOW LEVELS NEAR 3000 FEET NOW WILL RISE ABOVE 3500 FEET BY THIS AFTERNOON. $$ MTZ002-040130- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T1000Z/ WEST GLACIER REGION- 1023 AM MST MON DEC 3 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM MST TUESDAY ABOVE 4000 FEET... A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 3 AM MST TUESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES ARE EXPECTED THROUGH TUESDAY MORNING. SNOW LEVELS WILL BE RISING ABOVE 4000 FEET BY THIS AFTERNOON. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED OVER THE HIGHER TERRAIN CAUSING BLOWING AND DRIFTING OF SNOW. $$ MTZ004-032100- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T2100Z/ LOWER CLARK FORK REGION- 1023 AM MST MON DEC 3 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON ABOVE 4000 FEET... A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 18 INCHES WITH LOCAL AMOUNTS UP TO 24 INCHES ARE EXPECTED BY THIS AFTERNOON. SNOW LEVELS WILL BE RISING ABOVE 4000 FEET BY THIS AFTERNOON. IN ADDITION... WINDS 15 TO 25 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED CAUSING BLOWING AND DRIFTING OF SNOW. INTERSTATE 90 OVER LOOKOUT PASS WILL BE ONE OF THE AREAS MOST IMPACTED BY THIS EVENT. $$ IDZ006-MTZ006-032100- /O.CON.KMSO.WS.W.0010.000000T0000Z-071203T2100Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 1023 AM MST MON DEC 3 2007 /923 AM PST MON DEC 3 2007/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST /1 PM PST/ THIS AFTERNOON ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 2 PM MST /1 PM PST/ THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED ACROSS THE AREA BY THIS MORNING. SNOW LEVELS WILL BE RISING ABOVE 4500 FEET BY THIS AFTERNOON. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED OVER THE HIGHER TERRAIN CAUSING BLOWING AND DRIFTING OF SNOW. $$
000 WWUS45 KMSO 032058 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 158 PM MST MON DEC 3 2007 .HEAVY SNOWFALL CONTINUES AT THE MID AND HIGH ELEVATIONS. AS SNOW LEVELS CONTINUE TO RISE...THIS SNOWFALL WILL MAINLY IMPACT LOLO AND LOOKOUT PASSES THIS EVENING AND MARIAS PASS OVERNIGHT. A CONCERN FOR THE LOWER ELEVATIONS...PARTICULARLY LINCOLN COUNTY...IS THE COMBINED WEIGHT OF RAIN AND RECENT HEAVY SNOWFALL CAUSING POTENTIAL STRUCTURE FAILURES. MTZ001-032200- /O.CAN.KMSO.HS.W.0019.000000T0000Z-071204T0000Z/ KOOTENAI/CABINET REGION- 158 PM MST MON DEC 3 2007 ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HEAVY SNOW WARNING. SNOW LEVEL HAS RISEN TO 4500 FEET AND WILL REMAIN HIGH THROUGH THE NIGHT. $$ IDZ006-MTZ006-040000- /O.EXT.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 158 PM MST MON DEC 3 2007 /1258 PM PST MON DEC 3 2007/ ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON ABOVE 4500 FEET... THE WINTER STORM WARNING ABOVE 4500 FEET IS NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 15 TO 30 INCHES ARE EXPECTED ABOVE 4500 FEET. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED OVER THE HIGHER TERRAIN CAUSING BLOWING AND DRIFTING OF SNOW. SNOW LEVELS WILL CONTINUE TO RISE OVERNIGHT WITH PRECIPITATION CHANGING TO RAIN IN ALL AREAS EXCEPT THE HIGHER MOUNTAINS. $$ MTZ004-040000- /O.EXT.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ LOWER CLARK FORK REGION- 158 PM MST MON DEC 3 2007 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 4500 FEET... THE WINTER STORM WARNING ABOVE 4500 FEET IS NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. TOTAL SNOWFALL ACCUMULATIONS OF 20 TO 35 INCHES ARE EXPECTED ABOVE 4500 FEET. IN ADDITION... WINDS 15 TO 25 MPH WITH GUSTS UP TO 3O MPH ARE EXPECTED CAUSING BLOWING AND DRIFTING OF SNOW. INTERSTATE 90 OVER LOOKOUT PASS WILL BE ONE OF THE AREAS MOST IMPACTED BY THIS EVENT. SNOW LEVELS WILL CONTINUE TO RISE OVERNIGHT WITH PRECIPITATION CHANGING TO RAIN IN ALL AREAS EXCEPT THE HIGHER MOUNTAINS. $$ MTZ002-041000- /O.CON.KMSO.WS.W.0010.000000T0000Z-071204T1000Z/ WEST GLACIER REGION- 158 PM MST MON DEC 3 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 AM MST TUESDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 3 AM MST TUESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 15 TO 30 INCHES ARE EXPECTED ABOVE 4500 FEET THROUGH TUESDAY MORNING. IN ADDITION...WINDS 15 TO 25 MPH WITH GUSTS UP TO 30 MPH ARE EXPECTED OVER THE HIGHER TERRAIN CAUSING BLOWING AND DRIFTING OF SNOW. $$
000 WWUS45 KMSO 032342 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 442 PM MST MON DEC 3 2007 ...THE SNOW LEVELS ARE CONTINUING TO RISE AND THE MAIN IMPACT OF HEAVY SNOWFALL WILL BE IN THE HIGHER ELEVATIONS. THEREFORE...THE WINTER STORM WARNINGS HAVE BEEN CANCELLED. IDZ006-MTZ004-006-040045- /O.CAN.KMSO.WS.W.0010.000000T0000Z-071204T0000Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 442 PM MST MON DEC 3 2007 /342 PM PST MON DEC 3 2007/ ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. $$ MTZ002-040045- /O.CAN.KMSO.WS.W.0010.000000T0000Z-071204T1000Z/ WEST GLACIER REGION- 442 PM MST MON DEC 3 2007 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Missoula, MT wrote its last area forecast discussion before this winter storm warning went out at Dec 1, 7:33 PM PST, 25 minutes earlier.
Area forecast discussion, Dec 1, 7:33 PM PST, 25 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE MISSOULA MT
833 PM MST SAT DEC 1 2007
.UPDATE...ADJUSTED POP...QPF AND SNOW AMOUNTS AND LOWERED
MINIMUM TEMPERATURES ALONG THE DIVIDE FOR TONIGHT.
&&
.DISCUSSION...FORECAST LOOKS ON TRACK FOR SNOW AND HIGH WIND EVENT
FOR SUNDAY AND MONDAY. UPPER LEVEL WAVE AHEAD OF APPROACHING
SYSTEM IS RESULTING IN SCATTERED TO WIDESPREAD SNOW SHOWERS ACROSS
NORTH CENTRAL AND NORTHWEST MONTANA THIS EVENING. THE BRUNT OF THE
PRECIPITATION WITH THE NEXT SYSTEM IS EXPECTED TO ARRIVE SUNDAY
MORNING. INCREASED POPS AND SNOW IN THE NORTHERN CLEARWATERS AND
NORTHWEST MONTANA FOR TONIGHT. SNOW ACCUMULATIONS UP TO 3 INCHES
ARE POSSIBLE OVERNIGHT IN THESE AREAS AND DRIVERS SHOULD TAKE
EXTRA PRECAUTION DRIVING OVER LOOKOUT AND LOLO PASSES. WINDS ARE
EXPECTED TO HAVE MORE OF AN IMPACT WITH THIS WEATHER SYSTEM SO
MODIFIED MAJORITY OF HEAVY SNOW WARNINGS TO WINTER STORM WARNINGS.
THE EXCEPTION IS THE KOOTENAI/CABINET WHERE WINDS ARE EXPECTED TO
BE LESS. SEE HEADLINE SECTION BELOW FOR DETAILS.
&&
.AVIATION...LIGHT SNOW WILL CONTINUE OVER NORTH CENTRAL IDAHO AND
NORTHWEST MONTANA TONIGHT. AREAS EXPERIENCING SNOW SHOULD EXPECT
REDUCED VISIBILITIES RESULTING IN OBSCURATIONS OF MOUNTAINS AND
PASSES THROUGH THE NIGHT. BREAKS IN THE CLOUD COVER WILL BE
POSSIBLE OVER WEST CENTRAL MONTANA AND CENTRAL IDAHO BUT SHOULD BE
SHORT LIVED.
&&
.PREV DISCUSSION... /ISSUED 301 PM MST SAT DEC 1 2007/
DISCUSSION...NUMEROUS WEATHER RELATED IMPACTS ARE EXPECTED OVER
THE NEXT 48 TO 72 HOURS. HERES THE LIST.
1. HEAVY SNOW EVENT EXPECTED SUNDAY MORNING THROUGH
MONDAY ACROSS WRN MT AND NORTH CENTRAL IDAHO...ESPECIALLY IN THE
MOUNTAINS (NOT INCLUDING THE US HIGHWAY 93 CORRIDOR BETWEEN
KALISPELL AND HAMILTON.)
2. HIGH WIND EVENT FOR THE CAMAS PRAIRIE OF IDAHO AND US HIGHWAY
95 CORRIDOR SOUTH OF GRANGEVILLE ON SUNDAY AND MONDAY.
3. POSSIBLE LIGHT FREEZING RAIN EVENT IN SOME VALLEY LOCATIONS
MAINLY ON MONDAY MORNING.
4. HEAVY RAIN ON SNOW EVENT MONDAY AFTERNOON THROUGH TUESDAY.
MODEL CONSISTENCY CONTINUES TO BE GREAT. IN FACT...LATEST RUNS
HAVE ONLY INCREASED THE POTENTIAL FOR AND THE MAGNITUDE OF THE
EVENTS IN NUMBERS 1 AND 2 ABOVE. HERES THE BREAK DOWN. THE HEAVY
SNOW EVENT WILL BEGIN SUNDAY MORNING ACROSS NORTHWEST MT AND NORTH
CENTRAL IDAHO AS A VERY MOIST AIRMASS OVERRUNS A DOME OF COLD AIR
THAT HAS BEEN ENTRENCHED OVER THE AREA NOW FOR SEVERAL DAYS.
SNOWFALL IS EXPECTED TO RAPIDLY INTENSIFY SUNDAY
AFTERNOON...CONTINUING THROUGH SUNDAY NIGHT. WHILE THIS IS
OCCURRING...PRESSURE GRADIENTS OVER THE CAMAS PRAIRIE AND IN AREAS
SOUTH TOWARD RIGGINS WILL INTENSIFY DRAMATICALLY. IN
ADDITION...STRONG RIDGE TOP LEVEL WINDS WILL MIX TO THE SURFACE TO
CREATE HIGH WINDS. THESE CONDITIONS WILL BE UNUSUALLY LONG
LASTING AS THEY PERSIST INTO MONDAY NIGHT.
ON MONDAY MORNING...WARMER AIR WILL BEGIN TO BE TRANSPORTED INTO
THE REGION FROM THE SOUTH. AS THIS OCCURS...SNOW LEVELS WILL BEGIN
TO RISE. THE PRECIPITATION IN THE VALLEYS WILL BEGIN TO CHANGE
FROM SNOW TO RAIN. HOWEVER...COLD AIR TRAPPED IN VALLEY BOTTOMS COULD
LEAD TO A BRIEF PERIOD OF FREEZING RAIN DURING THIS PERIOD OF
TRANSITION IN THE MORNING. AS THE SNOW LEVELS CONTINUE TO RISE AND
AS THE PRECIP CHANGES OVER TO RAIN THE PRECIPITATION INTENSITY
WILL INCREASE. UP TO 2 1/2 INCHES OF RAIN ON SNOW IS POSSIBLE
ACROSS THE LOWER TO MID ELEVATIONS OF WRN MT AND NORTH CENTRAL
IDAHO BY TUESDAY MORNING. WITH THAT SAID SIGNIFICANT RIVER
FLOODING IS NOT EXPECTED. HOWEVER...SOME SMALLER STREAMS COULD
APPROACH BANK FULL.
THE MAIN CONCERN WITH THE RAIN ON SNOW EVENT IS FOR THE INCREASED
POTENTIAL FOR DAMAGE TO STRUCTURES. THE HEAVY SNOW PACK ON SOME ROOF
TOPS WILL BECOME EVEN HEAVIER AS THE HEAVY RAINFALL SOAKS INTO THE
SNOW. SOME ROOF COLLAPSES MAY BE POSSIBLE.
TUESDAY THROUGH SATURDAY...MODELS IN A FAIRLY GOOD AGREEMENT THAT A
WESTERLY FLOW WILL CONTINUE TO TRANSPORT PACIFIC MOISTURE INTO THE
INTER-MOUNTAIN REGION. ONE DISCREPANCY IS HOW QUICKLY OUR NEXT
SERIES OF SHORTWAVES MOVE THROUGH LATE IN THE WEEK. TIMING ISSUES
ARE NEARLY 24 HOURS APART SO CONFIDENCE IS GEARED MORE TOWARDS
PERSISTENCE THURSDAY AND BEYOND.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WARNING FROM 11 AM SUNDAY TO 11 AM MST MONDAY FOR
BITTERROOT/SAPPHIRE MOUNTAINS.
WINTER STORM WARNING FROM 11 AM SUNDAY TO 11 AM MST MONDAY FOR
POTOMAC/SEELEY LAKE REGION-WEST GLACIER REGION.
HEAVY SNOW WARNING FROM 5 AM SUNDAY TO 5 PM MST MONDAY FOR
KOOTENAI/CABINET REGION
WINTER STORM WARNING FROM 5 AM SUNDAY TO 5 PM MST MONDAY FOR
LOWER CLARK FORK REGION.
ID...HIGH WIND WARNING FROM 4 AM SUNDAY TO 10 PM PST MONDAY FOR LOWER
HELLS CANYON/SALMON RIVER REGION-OROFINO/GRANGEVILLE REGION.
WINTER STORM WARNING FROM 10 AM SUNDAY TO 10 AM PST MONDAY FOR
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS.
&&
UPDATE...FOSTER/MEAD
PREVIOUS DISCUSSION....LOEFFELBEIN/HENRY
AVIATION...MEADHazardous weather outlook, Dec 1, 1:08 PM PST, 6 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 208 PM MST SAT DEC 1 2007 IDZ005-MTZ003-005-006-043-021200- NORTHERN CLEARWATER MOUNTAINS-FLATHEAD/MISSION VALLEYS- MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS- POTOMAC/SEELEY LAKE REGION- 208 PM MST SAT DEC 1 2007 /108 PM PST SAT DEC 1 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT LIGHT SNOW IS EXPECTED TO FALL OVER THE REGION TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A WARM AND MOIST PACIFIC WEATHER SYSTEM WILL BRING THE POTENTIAL FOR HEAVY SNOWFALL SUNDAY THROUGH MONDAY AFTERNOON. WINTER STORM HIGHLIGHTS MAY BE NEEDED FOR THIS SYSTEM. AS WARM AIR ADVECTION CONTINUES INTO THE WEEK...FREEZING RAIN IS POSSIBLE MONDAY MORNING. FREEZING RAIN SHOULD END BY MONDAY AFTERNOON AS THE WARMING WILL CHANGE PRECIPITATION TO RAIN. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ001-002-004-021200- KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION- 208 PM MST SAT DEC 1 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT LIGHT SNOW IS EXPECTED TO FALL OVER THE REGION TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY AS A WARM AIR ADVECTION PATTERN CONTINUES INTO NEXT WEEK...FREEZING RAIN IS POSSIBLE MONDAY MORNING. FREEZING RAIN SHOULD END BY MONDAY AFTERNOON AS THE WARMING WILL CHANGE PRECIPITATION TO RAIN. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. IDZ006-009-021200- SOUTHERN CLEARWATER MOUNTAINS-WESTERN LEMHI COUNTY- 208 PM MST SAT DEC 1 2007 /108 PM PST SAT DEC 1 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO. .DAY ONE...TODAY AND TONIGHT LIGHT SNOW IS EXPECTED TO FALL OVER THE REGION TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A STRONG PACIFIC WEATHER SYSTEM WILL BRING THE POTENTIAL FOR HEAVY SNOWFALL FROM SUNDAY THROUGH MONDAY NIGHT. WINTER STORM HIGHLIGHTS MAY BE NEEDED FOR THIS SYSTEM. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 2, 3:12 PM PST | Blizzard Warning | MSO | Clearwater, Idaho | 6 hr |
| Dec 2, 9:42 AM PST | Wind Advisory | MSO | Deer Lodge, Granite, Powell, Silver Bow | 3 hr |
Nearby
Winter Storm Warnings in Montana, 2007Winter Storm Warnings in Idaho, 2007Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.