Alert archive / Montana / Snow Advisories in 2007
Snow Advisory 2, NWS Missoula, MT
NWS Missoula, MT issued this snow advisory at Jan 3, 2007, 11:01 AM MST for Lemhi County, Idaho; 7 counties in Montana. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jan 3, 2007, 11:01 AM MST (18:01 UTC)
- Expired
- Jan 4, 2007, 3:47 AM MST
- In force
- 17 hr
- Issued by
- NWS Missoula, MT
Counties Lemhi County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Missoula County, MT, Powell County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 18 km from the middle of the area, began a volume at 18:01 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, 6.0 hours before the alert went out and 182 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
- 578 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 298 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 031801 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1101 AM MST WED JAN 3 2007 ...MORE SNOW FOR THE MOUNTAINS... .ANOTHER WEATHER SYSTEM WITH AN ASSOCIATED COLD FRONT WILL PUSH ACROSS WESTERN MONTANA AND NORTH CENTRAL IDAHO THIS AFTERNOON AND TONIGHT. THE HEAVIEST PRECIPITATION WILL FALL ALONG THE LEADING EDGE OF THE COLD FRONT. SNOW LEVELS ARE EXPECTED TO REMAIN HIGH DURING THIS EVENT. GUSTY WESTERLY WINDS WILL BE CONFINED TO THE HIGHER TERRAIN...WHERE LOCALIZED BLOWING AND DRIFTING SNOW IS POSSIBLE. MTZ004-040400- /O.EXP.KMSO.WS.W.0001.000000T0000Z-070103T1800Z/ /O.NEW.KMSO.HS.W.0002.070103T1801Z-070104T1500Z/ LOWER CLARK FORK REGION- 1101 AM MST WED JAN 3 2007 ...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING ABOVE 4500 FEET... ...HEAVY SNOW WARNING IN EFFECT UNTIL 8 AM MST THURSDAY ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING ABOVE 4000 FEET...WHICH IS IN EFFECT UNTIL 8 AM MST THURSDAY. THE WINTER STORM WARNING ABOVE 4500 FEET WILL EXPIRE AT 11 AM MST THIS MORNING. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ABOVE 4000 FEET WITH WITH LOCAL AMOUNTS UP TO 10 INCHES ARE EXPECTED BY THURSDAY MORNING. LOOKOUT PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. RAIN MAY MIX OR CHANGE TO SNOW TONIGHT IN THE VALLEYS WITH 1 TO 2 INCHES OF SNOW ACCUMULATIONS POSSIBLE. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR 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. $$ MTZ002-040400- /O.EXP.KMSO.WS.W.0001.000000T0000Z-070103T1800Z/ /O.NEW.KMSO.HS.W.0002.070103T1801Z-070104T1500Z/ WEST GLACIER REGION- 1101 AM MST WED JAN 3 2007 ...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING ABOVE 4500 FEET... ...HEAVY SNOW WARNING IN EFFECT UNTIL 8 AM MST THURSDAY ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING ABOVE 4000 FEET...WHICH IS IN EFFECT UNTIL 8 AM MST THURSDAY. THE WINTER STORM WARNING ABOVE 4500 FEET WILL EXPIRE AT 11 AM MST THIS MORNING. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 10 INCHES ARE EXPECTED BY THURSDAY MORNING. US HIGHWAY 2 BETWEEN HUNGRY HORSE AND MARIAS PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. RAIN MAY MIX OR CHANGE TO SNOW TONIGHT IN THE VALLEYS WITH 1 TO 3 INCHES POSSIBLE. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ IDZ005-006-MTZ006-040400- /O.EXP.KMSO.WS.W.0001.000000T0000Z-070103T1800Z/ /O.NEW.KMSO.HS.W.0002.070103T1801Z-070104T1500Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1101 AM MST WED JAN 3 2007 /1001 AM PST WED JAN 3 2007/ ...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST /10 AM PST/ THIS MORNING ABOVE 5000 FEET... ...HEAVY SNOW WARNING IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING ABOVE 4000 FEET...WHICH IS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY. THE WINTER STORM WARNING ABOVE 5000 FEET WILL EXPIRE AT 11 AM MST /10 AM PST/ THIS MORNING. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 10 INCHES ARE EXPECTED BY THURSDAY MORNING. LOLO PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR 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. $$ MTZ043-040400- /O.EXP.KMSO.SB.Y.0001.000000T0000Z-070103T1800Z/ /O.NEW.KMSO.SN.Y.0002.070103T1801Z-070104T0600Z/ POTOMAC/SEELEY LAKE REGION- 1101 AM MST WED JAN 3 2007 ...SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING ABOVE 4500 FEET... ...SNOW ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 4500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 4500 FEET...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE SNOW AND BLOWING SNOW ADVISORY ABOVE 4500 FEET WILL EXPIRE AT 11 AM MST THIS MORNING. SNOW ACCUMULATION OF 2 TO 5 INCHES ARE EXPECTED ABOVE 4500 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED IN THE HIGHER ELEVATIONS...ESPECIALLY IN THE BOB MARSHALL WILDERNESS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ001-040400- /O.NEW.KMSO.SN.Y.0002.070103T1801Z-070104T0600Z/ KOOTENAI/CABINET REGION- 1101 AM MST WED JAN 3 2007 ...SNOW ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 3000 FEET...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 2 TO 5 INCHES ARE EXPECTED ABOVE 3000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-040400- /O.NEW.KMSO.SN.Y.0002.070103T1801Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 1101 AM MST WED JAN 3 2007 ...SNOW ADVISORY IN EFFECT UNTIL 5 AM MST THURSDAY ABOVE 5000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 5000 FEET...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATION OF 2 TO 5 INCHES ARE EXPECTED ABOVE 5000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS...ESPECIALLY AROUND LOST TRAIL PASS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
7 follow-up statements
000 WWUS45 KMSO 031813 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1113 AM MST WED JAN 3 2007 ...MORE SNOW FOR THE MOUNTAINS... .ANOTHER WEATHER SYSTEM WITH AN ASSOCIATED COLD FRONT WILL PUSH ACROSS WESTERN MONTANA AND NORTH CENTRAL IDAHO THIS AFTERNOON AND TONIGHT. THE HEAVIEST PRECIPITATION WILL FALL ALONG THE LEADING EDGE OF THE COLD FRONT. SNOW LEVELS ARE EXPECTED TO REMAIN HIGH DURING THIS EVENT. GUSTY WESTERLY WINDS WILL BE CONFINED TO THE HIGHER TERRAIN...WHERE LOCALIZED BLOWING AND DRIFTING SNOW IS POSSIBLE. IDZ005-006-MTZ004-006-040400- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 1113 AM MST WED JAN 3 2007 /1013 AM PST WED JAN 3 2007/ ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 10 INCHES ARE EXPECTED BY THURSDAY MORNING. LOLO PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR 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. $$ MTZ002-040400- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ WEST GLACIER REGION- 1113 AM MST WED JAN 3 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 10 INCHES ARE EXPECTED BY THURSDAY MORNING. US HIGHWAY 2 BETWEEN HUNGRY HORSE AND MARIAS PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. RAIN MAY MIX OR CHANGE TO SNOW TONIGHT IN THE VALLEYS WITH 1 TO 3 INCHES POSSIBLE. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ001-040400- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ KOOTENAI/CABINET REGION- 1113 AM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 3000 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 2 TO 5 INCHES ARE EXPECTED ABOVE 3000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ043-040400- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ POTOMAC/SEELEY LAKE REGION- 1113 AM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 4500 FEET... A SNOW ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 2 TO 5 INCHES ARE EXPECTED ABOVE 4500 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED IN THE HIGHER ELEVATIONS...ESPECIALLY IN THE BOB MARSHALL WILDERNESS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-040400- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 1113 AM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY ABOVE 5000 FEET... A SNOW ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATION OF 2 TO 5 INCHES ARE EXPECTED ABOVE 5000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS...ESPECIALLY AROUND LOST TRAIL PASS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 032138 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 238 PM MST WED JAN 3 2007 ...MORE SNOW FOR THE MOUNTAINS... .ANOTHER WEATHER SYSTEM WITH AN ASSOCIATED COLD FRONT WILL PUSH ACROSS WESTERN MONTANA AND NORTH CENTRAL IDAHO THIS AFTERNOON AND TONIGHT. THE HEAVIEST PRECIPITATION WILL FALL ALONG THE LEADING EDGE OF THE COLD FRONT. SNOW LEVELS ARE EXPECTED TO REMAIN HIGH DURING THIS EVENT. GUSTY WESTERLY WINDS WILL BE CONFINED TO THE HIGHER TERRAIN...WHERE LOCALIZED BLOWING AND DRIFTING SNOW IS POSSIBLE. IDZ005-006-MTZ004-006-040400- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 238 PM MST WED JAN 3 2007 /138 PM PST WED JAN 3 2007/ ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY. SNOW ACCUMULATIONS OF 6 TO 14 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 18 INCHES ARE EXPECTED BY THURSDAY MORNING. LOLO PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ002-040400- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ WEST GLACIER REGION- 238 PM MST WED JAN 3 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. TOTAL SNOW ACCUMULATIONS OF 6 TO 14 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 18 INCHES ARE EXPECTED BY THURSDAY MORNING. US HIGHWAY 2 BETWEEN HUNGRY HORSE AND MARIAS PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. RAIN IS EXPECTED TO CHANGE TO SNOW TONIGHT IN THE VALLEYS WITH 2 TO 5 INCHES POSSIBLE. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR 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. $$ MTZ001-040400- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ KOOTENAI/CABINET REGION- 238 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 3000 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 2 TO 5 INCHES ARE EXPECTED ABOVE 3000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 3 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ043-040400- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ POTOMAC/SEELEY LAKE REGION- 238 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 4500 FEET... A SNOW ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 3 TO 6 INCHES ARE EXPECTED ABOVE 4500 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED IN THE HIGHER ELEVATIONS...ESPECIALLY IN THE BOB MARSHALL WILDERNESS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 3 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-040400- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 238 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY ABOVE 5000 FEET... A SNOW ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATION OF 3 TO 5 INCHES ARE EXPECTED ABOVE 5000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS...ESPECIALLY AROUND LOST TRAIL PASS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 032317 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 417 PM MST WED JAN 3 2007 ...MORE SNOW FOR THE MOUNTAINS... .ANOTHER WEATHER SYSTEM WITH AN ASSOCIATED COLD FRONT WILL PUSH ACROSS WESTERN MONTANA AND NORTH CENTRAL IDAHO THIS AFTERNOON AND TONIGHT. THE HEAVIEST PRECIPITATION WILL FALL ALONG THE LEADING EDGE OF THE COLD FRONT. GUSTY WESTERLY WINDS WILL BE CONFINED TO THE HIGHER TERRAIN...WHERE LOCALIZED BLOWING AND DRIFTING SNOW IS POSSIBLE. MTZ001-040030- /O.CAN.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ KOOTENAI/CABINET REGION- 417 PM MST WED JAN 3 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. THE WINTER WEATHER SYSTEM RESPONSIBLE FOR THE SNOW FALL HAS MOVED OUT OF THE AREA. $$ IDZ005-006-MTZ004-006-040500- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 417 PM MST WED JAN 3 2007 /317 PM PST WED JAN 3 2007/ ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY. SNOW ACCUMULATIONS OF 6 TO 14 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 18 INCHES ARE EXPECTED BY THURSDAY MORNING. LOLO PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ002-040500- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ WEST GLACIER REGION- 417 PM MST WED JAN 3 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. TOTAL SNOW ACCUMULATIONS OF 6 TO 14 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 18 INCHES ARE EXPECTED BY THURSDAY MORNING. US HIGHWAY 2 BETWEEN HUNGRY HORSE AND MARIAS PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. RAIN IS EXPECTED TO CHANGE TO SNOW TONIGHT IN THE VALLEYS WITH 2 TO 5 INCHES POSSIBLE. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR 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. $$ MTZ043-040500- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ POTOMAC/SEELEY LAKE REGION- 417 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 4500 FEET... A SNOW ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 3 TO 6 INCHES ARE EXPECTED ABOVE 4500 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED IN THE HIGHER ELEVATIONS...ESPECIALLY IN THE BOB MARSHALL WILDERNESS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 3 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-040500- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 417 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY ABOVE 5000 FEET... A SNOW ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATION OF 3 TO 5 INCHES ARE EXPECTED ABOVE 5000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS...ESPECIALLY AROUND LOST TRAIL PASS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 040159 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 659 PM MST WED JAN 3 2007 ...MORE SNOW FOR THE MOUNTAINS... .ANOTHER WEATHER SYSTEM WITH AN ASSOCIATED COLD FRONT WILL PUSH ACROSS WESTERN MONTANA AND NORTH CENTRAL IDAHO TONIGHT. THE HEAVIEST PRECIPITATION WILL FALL AHEAD OF AND ALONG THE LEADING EDGE OF THE COLD FRONT. GUSTY WESTERLY WINDS WILL BE CONFINED TO THE HIGHER TERRAIN...WHERE LOCALIZED BLOWING AND DRIFTING SNOW IS POSSIBLE. MTZ002-040300- /O.CAN.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ WEST GLACIER REGION- 659 PM MST WED JAN 3 2007 ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HEAVY SNOW WARNING. WIDESPREAD HEAVY SNOW HAS ENDED...HOWEVER SCATTERED SNOW SHOWERS WILL CONTINUE THROUGH THE NIGHT. ADDITIONAL SNOW ACCUMULATIONS UP TO 2 INCHES POSSIBLE WITH UPSLOPE ENHANCEMENT. $$ IDZ005-006-MTZ004-006-041400- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 659 PM MST WED JAN 3 2007 /559 PM PST WED JAN 3 2007/ ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY. SNOW ACCUMULATIONS OF 6 TO 14 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 18 INCHES ARE EXPECTED BY THURSDAY MORNING. LOLO PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR 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. $$ MTZ043-040600- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ POTOMAC/SEELEY LAKE REGION- 659 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 4500 FEET... A SNOW ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 3 TO 6 INCHES ARE EXPECTED ABOVE 4500 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED IN THE HIGHER ELEVATIONS...ESPECIALLY IN THE BOB MARSHALL WILDERNESS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 3 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-041200- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 659 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY ABOVE 5000 FEET... A SNOW ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATION OF 3 TO 5 INCHES ARE EXPECTED ABOVE 5000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS...ESPECIALLY AROUND LOST TRAIL PASS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 040416 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 916 PM MST WED JAN 3 2007 MTZ004-040530- /O.CAN.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ LOWER CLARK FORK REGION- 916 PM MST WED JAN 3 2007 ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HEAVY SNOW WARNING. THE I90 STRETCH FROM LOOKOUT PASS TO HAUGAN WILL STILL SEE ADDITIONAL SNOW ACCUMULATION OF 1 TO 3 INCHES TONIGHT. ELSEWHERE THE MAJORITY OF THE PRECIPITATION HAS MOVED OUT OF THE AREA. $$ IDZ005-006-MTZ006-041500- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 916 PM MST WED JAN 3 2007 /816 PM PST WED JAN 3 2007/ ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY. SNOW ACCUMULATIONS OF 6 TO 14 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 18 INCHES ARE EXPECTED BY THURSDAY MORNING. LOLO PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR 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. $$ MTZ043-040600- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ POTOMAC/SEELEY LAKE REGION- 916 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING ABOVE 4500 FEET... A SNOW ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. SNOW ACCUMULATION OF 3 TO 6 INCHES ARE EXPECTED ABOVE 4500 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED IN THE HIGHER ELEVATIONS...ESPECIALLY IN THE BOB MARSHALL WILDERNESS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 3 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-010-041200- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 916 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY ABOVE 5000 FEET... A SNOW ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATION OF 3 TO 5 INCHES ARE EXPECTED ABOVE 5000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS...ESPECIALLY AROUND LOST TRAIL PASS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 040548 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1048 PM MST WED JAN 3 2007 IDZ005-040700- /O.CAN.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ NORTHERN CLEARWATER MOUNTAINS- 948 PM PST WED JAN 3 2007 ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HEAVY SNOW WARNING. THE HEAVY SNOW HAS MOVED SOUTHEAST OF THE REGION THIS EVENING. THEREFORE THE HEAVY SNOW WARNING HAS BEEN CANCELLED. SCATTERED SNOW SHOWERS WILL CONTINUE THROUGH THE NIGHT...BUT ONLY LIGHT ADDITIONAL ACCUMULATIONS ARE EXPECTED. $$ MTZ043-040700- /O.EXP.KMSO.SN.Y.0002.000000T0000Z-070104T0600Z/ POTOMAC/SEELEY LAKE REGION- 1048 PM MST WED JAN 3 2007 ...SNOW ADVISORY WILL EXPIRE AT 11 PM MST THIS EVENING ABOVE 4500 FEET... THE SNOW ADVISORY ABOVE 4500 FEET WILL EXPIRE AT 11 PM MST THIS EVENING. THE WIDESPREAD SNOW HAS MOVED SOUTHEAST OF THE REGION THIS HOUR. THEREFORE THE SNOW ADVISORY HAS BEEN ALLOWED TO EXPIRE. SCATTERED SNOW SHOWERS WILL CONTINUE THROUGH THE NIGHT...BUT ONLY LIGHT ADDITIONAL ACCUMULATIONS ARE EXPECTED. $$ IDZ006-MTZ006-041200- /O.CON.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 1048 PM MST WED JAN 3 2007 /948 PM PST WED JAN 3 2007/ ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY ABOVE 4000 FEET... A HEAVY SNOW WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ THURSDAY. SNOW ACCUMULATIONS OF 6 TO 14 INCHES ABOVE 4000 FEET WITH LOCAL AMOUNTS UP TO 18 INCHES ARE EXPECTED BY THURSDAY MORNING. LOLO PASS WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. $$ IDZ009-010-041200- /O.CON.KMSO.SN.Y.0002.000000T0000Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 1048 PM MST WED JAN 3 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY ABOVE 5000 FEET... A SNOW ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY. SNOW ACCUMULATION OF 3 TO 5 INCHES ARE EXPECTED ABOVE 5000 FEET BY LATE THIS EVENING. GREATER SNOW ACCUMULATIONS ARE EXPECTED AT HIGHER ELEVATIONS...ESPECIALLY AROUND LOST TRAIL PASS. RAIN MAY MIX WITH OR CHANGE TO SNOW IN THE VALLEYS TONIGHT WITH 1 TO 2 INCHES OF NEW SNOW POSSIBLE. $$
000 WWUS45 KMSO 041047 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 347 AM MST THU JAN 4 2007 IDZ006-MTZ006-041200- /O.CAN.KMSO.HS.W.0002.000000T0000Z-070104T1500Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 347 AM MST THU JAN 4 2007 /247 AM PST THU JAN 4 2007/ ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HEAVY SNOW WARNING. ALTHOUGH SCATTERED SNOW SHOWERS ARE EXPECTED TO PRODUCE 1 TO 3 INCHES THIS MORNING...SIGNIFICANT SNOW ACCUMULATIONS ARE NO LONGER ANTICIPATED. $$ IDZ009-010-041200- /O.CAN.KMSO.SN.Y.0002.000000T0000Z-070104T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 347 AM MST THU JAN 4 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. THE MAIN BAND OF SNOW HAS MOVED EAST OF THE AREA. SCATTERED SNOW SHOWERS ARE EXPECTED TODAY WITH LIGHT SNOW ACCUMULATION. $$
What forecasters said that day
The local office's own words before this snow advisory 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 snow advisory went out at Jan 3, 8:02 AM MST, 2 hours 59 minutes earlier.
Area forecast discussion, Jan 3, 8:02 AM MST, 2 hours 59 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
802 AM MST WED JAN 3 2007
.UPDATE...THE SNOW ADVISORY FOR THE EXTREME NORTHWEST MONTANA HAS
BEEN ALLOWED TO EXPIRE THIS MORNING...ANOTHER UPDATED IS EXPECTED
LATER ON THIS MORNING.
&&
.AVIATION...A MOIST WESTERLY FLOW WILL CONTINUE TO PRODUCE MOUNTAIN
OBSCURATIONS WITH HEAVY MOUNTAIN SNOW AND STRONG WINDS AT TIMES
TODAY. OCCASIONAL RAIN WILL CONTINUE IN THE VALLEYS THIS MORNING WITH
ISOLATED AREAS MIXING WITH OR CHANGING TO SNOW AROUND SUNRISE.
PLEASE SEE APPROPRIATE TAFS AND TWEBS FOR DETAILS.
&&
.PREV DISCUSSION... /ISSUED 328 AM MST WED JAN 3 2007/
DISCUSSION...TODAY THROUGH THURSDAY...A SEEMINGLY ENDLESS FETCH
OF SUBTROPICAL MOISTURE IS CURRENTLY MOVING OVER NORTHERN IDAHO
AND WESTERN MONTANA EARLY THIS MORNING. A SURFACE COLD FRONT HAS
MOVED THROUGH THE MAJORITY OF THE AREA THIS MORNING WITH THE
EXCEPTION BEING SOUTHWEST MONTANA. THE FRONT WILL SLOWLY CONTINUE
TO SAG TOWARD THE SOUTHEAST AND THEN STALL FROM ABOUT A SALMON ID
TO BUTTE MT LINE AROUND MIDDAY. SNOW LEVELS WILL GRADUALLY LOWER
THROUGH THE MORNING HOURS NORTHWEST OF THE COLD FRONT...ESPECIALLY
IN AREAS WITH MODERATE TO HEAVY PRECIPITATION JUST BEHIND THE
FRONT. THE CLEARWATER MOUNTAINS AND AREAS OF WESTERN MONTANA WILL
NOT SEE A BREAK IN THE ACTION TODAY AS THE MOIST FLOW ALOFT
COMBINES WITH PERSISTENT LIFT TO KEEP PRECIPITATION GOING IN THESE
AREAS THROUGH THE DAY AND INTO TONIGHT. AREAS OF NORTHWEST MONTANA
WILL LIKELY EXPERIENCE A BRIEF BREAK IN PRECIPITATION THIS
AFTERNOON BEFORE WIDESPREAD RAIN AND HIGH ELEVATION SNOW INCREASE
THIS EVENING.
DECIDED TO LET LATER SHIFTS VERIFY CURRENT WINTER HIGHLIGHTS
BEFORE EXTENDING AND/OR ISSUING WATCHES FOR THE NEXT PACIFIC
SYSTEM. LATEST MODEL GUIDANCE INDICATING THAT THIS NEXT SYSTEM
WILL BE FARTHER NORTH THAN PREVIOUSLY THOUGHT AND MOVE THROUGH
EXTREME NORTHWEST MONTANA TONIGHT. THIS WOULD LEAD TO MORE
MOUNTAIN SNOW AND VALLEY RAIN FOR NORTHWEST MONTANA AND HIGHER
SNOW LEVELS FOR ALL OF THE AREA...UNTIL THE ASSOCIATED COLD FRONT
RACES THROUGH THE AREA EARLY THURSDAY MORNING. SNOW SHOWERS ARE
EXPECTED BEHIND THE FRONT DURING THE DAY THURSDAY AS THE AIRMASS
BECOMES QUITE UNSTABLE AND LARGE SCALE LIFT CONTINUES.
WILL LET WIND ADVISORIES FOR THE CAMAS PRAIRIE AND FLATHEAD VALLEY
EXPIRE. WINDS WILL BEGIN CONTINUE TO GRADUALLY SUBSIDE BEHIND THE
COLD FRONT EARLY THIS MORNING.
THURSDAY NIGHT THROUGH EARLY NEXT WEEK WILL CONTINUE TO BE IN A VERY
PROGRESSIVE WET PATTERN. ANOTHER COLD FRONT WILL MOVE THROUGH THE
INTERMOUNTAIN WEST THURSDAY NIGHT WITH THE JET STREAM DIVING SOUTH
..KEEPING THE REGION WITH AVERAGE TEMPERATURES FOR THIS TIME OF
YEAR THROUGH THE WEEKEND. UPPER LEVEL WAVES WILL KEEP REINFORCING
THE COLD AIR INTO THE REGION THROUGH THE WEEKEND. SURFACE PRESSURE GRADIENTS
WILL REMAIN STRONG FOR BREEZY TO LOCALLY WINDY CONDITIONS SO WIND
CHILLS MAY BECOME A CONCERN. A WARMER PACIFIC AIRMASS WILL RETURN TO THE
REGION EARLY NEXT WEEK...MODIFYING TEMPERATURES SOME BUT KEEPING
CONDITIONS WET.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WARNING UNTIL 11 AM MST THIS MORNING ABOVE 5000
FEET FOR BITTERROOT/SAPPHIRE MOUNTAINS.
WINTER STORM WARNING UNTIL 11 AM MST THIS MORNING ABOVE 4500
FEET FOR LOWER CLARK FORK REGION-WEST GLACIER REGION.
SNOW AND BLOWING SNOW ADVISORY UNTIL 11 AM MST THIS MORNING
ABOVE 4500 FEET FOR POTOMAC/SEELEY LAKE REGION.
ID...WINTER STORM WARNING UNTIL 10 AM PST THIS MORNING ABOVE 5000
FEET FOR NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER
MOUNTAINS.
&&
UPDATE...SMITH
PREVIOUS DISCUSSION....CHURCH
AVIATION...CHURCHThe office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 11:33 PM MST | Winter Storm Warning | MSO | Clearwater, Idaho | 11 hr |
| Jan 3, 11:01 AM MST | Heavy Snow Warning | MSO | Clearwater, Idaho | 17 hr |
| Jan 2, 11:33 PM MST | Snow and Blowing Snow Advisory | MSO | Granite, Lake, Missoula, Powell | 11 hr |
Nearby
Snow Advisories in Montana, 2007Snow Advisories in Idaho, 2007Every snow advisory 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.