Alert archive / Montana / Winter Storm Warnings in 2006
Winter Storm Warning 13, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Nov 23, 2006, 1:36 PM PST for Clearwater County, Idaho; 7 counties in Montana. It took effect at Nov 23, 2006, 7:00 PM PST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 23, 2006, 1:36 PM PST (21:36 UTC)
- In effect from
- Nov 23, 2006, 7:00 PM PST
- Expired
- Nov 24, 2006, 10:00 AM PST
- In force
- 15 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 30 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 168 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
- 746 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 107 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 232136 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 236 PM MST THU NOV 23 2006 .A WET PACIFIC STORM SYSTEM WILL IMPACT NORTHWEST MONTANA AND THE NORTHERN CLEARWATER MOUNTAINS OF CENTRAL IDAHO THIS EVENING THROUGH FRIDAY MORNING. GUSTY SOUTHWEST WINDS WILL ACCOMPANY THE SNOWFALL...ESPECIALLY OVER THE HIGHER TERRAIN. MOUNTAIN PASSES WILL BE HIGHLY IMPACTED BY THIS EVENT...SO HOLIDAY TRAVEL IS DISCOURAGED. MTZ001-240400- /O.UPG.KMSO.WS.A.0027.061124T0300Z-061124T1500Z/ /O.NEW.KMSO.HS.W.0014.061124T0300Z-061124T1500Z/ KOOTENAI/CABINET REGION- 236 PM MST THU NOV 23 2006 ...HEAVY SNOW WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE FOR THE MOUNTAINS ABOVE 4000 FEET BY MID FRIDAY MORNING. LOWER VALLEYS BELOW 4000 FEET HAVE THE POTENTIAL OF 2 TO 5 INCHES OF SNOW BY MID FRIDAY MORNING. 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. $$ IDZ005-MTZ002-004-043-240400- /O.UPG.KMSO.WS.A.0027.061124T0300Z-061124T1500Z/ /O.NEW.KMSO.WS.W.0013.061124T0300Z-061124T1500Z/ NORTHERN CLEARWATER MOUNTAINS-WEST GLACIER REGION- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 236 PM MST THU NOV 23 2006 /136 PM PST THU NOV 23 2006/ ...WINTER STORM WARNING IN EFFECT FROM 8 PM MST /7 PM PST/ THIS EVENING TO 8 AM MST /7 AM PST/ FRIDAY... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 8 PM MST /7 PM PST/ THIS EVENING TO 8 AM MST /7 AM PST/ FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES IS POSSIBLE FOR THE MOUNTAINS ABOVE 4000 FEET BY MID FRIDAY MORNING. LOWER VALLEYS BELOW 4000 FEET HAVE THE POTENTIAL OF 4 TO 8 INCHES OF SNOW BY MID MORNING FRIDAY. IN ADDITION TO SNOW...GUSTY SOUTHWEST WINDS 15 TO 25 MPH WILL CAUSE BLOWING AND DRIFTING OF SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ003-240400- /O.NEW.KMSO.SN.Y.0032.061124T0300Z-061124T1500Z/ FLATHEAD/MISSION VALLEYS- 236 PM MST THU NOV 23 2006 ...SNOW ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED IN THE FLATHEAD AND MISSION VALLEYS BY MID MORNING FRIDAY. IN ADDITION LOCAL SOUTHWEST WINDS 10 TO 20 MPH WILL CAUSE LOCALIZED BLOWING AND DRIFTING OF SNOW. 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. $$
5 follow-up statements
000 WWUS45 KMSO 240006 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 506 PM MST THU NOV 23 2006 .A WET PACIFIC STORM SYSTEM WILL IMPACT NORTHWEST MONTANA AND THE NORTHERN CLEARWATER MOUNTAINS OF CENTRAL IDAHO THIS EVENING THROUGH FRIDAY MORNING. GUSTY SOUTHWEST WINDS WILL ACCOMPANY THE SNOWFALL...ESPECIALLY OVER THE HIGHER TERRAIN. MOUNTAIN PASSES WILL BE HIGHLY IMPACTED BY THIS EVENT...CREATING HAZARDOUS TRAVEL CONDITIONS. MTZ001-240600- /O.CON.KMSO.HS.W.0014.061124T0300Z-061124T1500Z/ KOOTENAI/CABINET REGION- 506 PM MST THU NOV 23 2006 ...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE FOR THE MOUNTAINS ABOVE 4000 FEET BY MID FRIDAY MORNING. LOWER VALLEYS BELOW 4000 FEET HAVE THE POTENTIAL OF 2 TO 5 INCHES OF SNOW BY MID FRIDAY MORNING. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ IDZ005-MTZ002-004-043-240600- /O.CON.KMSO.WS.W.0013.061124T0300Z-061124T1500Z/ NORTHERN CLEARWATER MOUNTAINS-WEST GLACIER REGION- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 506 PM MST THU NOV 23 2006 /406 PM PST THU NOV 23 2006/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM MST /7 PM PST/ THIS EVENING TO 8 AM MST /7 AM PST/ FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM MST /7 PM PST/ THIS EVENING TO 8 AM MST /7 AM PST/ FRIDAY. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE FOR THE MOUNTAINS ABOVE 4000 FEET BY MID FRIDAY MORNING. LOWER VALLEYS BELOW 4000 FEET HAVE THE POTENTIAL OF 4 TO 8 INCHES OF SNOW BY MID MORNING FRIDAY. IN ADDITION TO SNOW...GUSTY SOUTHWEST WINDS 15 TO 25 MPH WILL CAUSE BLOWING AND DRIFTING OF SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ003-240600- /O.CON.KMSO.SN.Y.0032.061124T0300Z-061124T1500Z/ FLATHEAD/MISSION VALLEYS- 506 PM MST THU NOV 23 2006 ...SNOW ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST FRIDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED IN THE FLATHEAD AND MISSION VALLEYS BY MID MORNING FRIDAY. IN ADDITION LOCAL SOUTHWEST WINDS 10 TO 20 MPH WILL CAUSE LOCALIZED BLOWING AND DRIFTING OF SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 240551 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1051 PM MST THU NOV 23 2006 .A WET PACIFIC STORM SYSTEM WILL IMPACT NORTHWEST MONTANA AND THE NORTHERN CLEARWATER MOUNTAINS OF CENTRAL IDAHO TONIGHT THROUGH FRIDAY MORNING. GUSTY SOUTHWEST WINDS OVER THE HIGHER TERRAIN WILL ACCOMPANY THE SNOWFALL. MOUNTAIN PASSES WILL BE HIGHLY IMPACTED BY THIS EVENT...CREATING HAZARDOUS TRAVEL CONDITIONS. MTZ001-241300- /O.CON.KMSO.HS.W.0014.000000T0000Z-061124T1500Z/ KOOTENAI/CABINET REGION- 1051 PM MST THU NOV 23 2006 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE FOR THE MOUNTAINS ABOVE 4000 FEET BY MID FRIDAY MORNING. LOWER VALLEYS BELOW 4000 FEET HAVE THE POTENTIAL OF 3 TO 6 INCHES OF SNOW BY MID FRIDAY MORNING. $$ IDZ005-MTZ002-004-043-241300- /O.CON.KMSO.WS.W.0013.000000T0000Z-061124T1500Z/ NORTHERN CLEARWATER MOUNTAINS-WEST GLACIER REGION- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 1051 PM MST THU NOV 23 2006 /951 PM PST THU NOV 23 2006/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST /7 AM PST/ FRIDAY. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE FOR THE MOUNTAINS ABOVE 4000 FEET BY MID FRIDAY MORNING. LOWER VALLEYS BELOW 4000 FEET HAVE THE POTENTIAL OF 4 TO 8 INCHES OF SNOW BY MID MORNING FRIDAY. IN ADDITION TO SNOW...GUSTY SOUTHWEST WINDS 15 TO 25 MPH OVER THE HIGH TERRAIN WILL CAUSE BLOWING AND DRIFTING OF SNOW. $$ IDZ006-241300- /O.EXB.KMSO.SN.Y.0032.061124T0900Z-061124T2100Z/ SOUTHERN CLEARWATER MOUNTAINS- 951 PM PST THU NOV 23 2006 ...SNOW ADVISORY IN EFFECT FROM 1 AM TO 1 PM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 1 PM PST FRIDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED ABOVE 3500 FEET BY EARLY FRIDAY AFTERNOON. LOWER ELEVATIONS COULD SEE 1 TO 2 INCHES OF NEW SNOW. 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. $$ MTZ003-241300- /O.CON.KMSO.SN.Y.0032.000000T0000Z-061124T1500Z/ FLATHEAD/MISSION VALLEYS- 1051 PM MST THU NOV 23 2006 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES CAN BE EXPECTED IN THE FLATHEAD AND MISSION VALLEYS BY MID MORNING FRIDAY. IN ADDITION LOCAL SOUTHWEST WINDS 10 TO 20 MPH WILL CAUSE LOCALIZED BLOWING AND DRIFTING OF SNOW. $$
000 WWUS45 KMSO 241217 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 517 AM MST FRI NOV 24 2006 .A WET PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND THE CLEARWATER MOUNTAINS OF CENTRAL IDAHO THROUGH MID MORNING. GUSTY SOUTHWEST WINDS OVER THE HIGHER TERRAIN WILL ACCOMPANY THE SNOWFALL AND REDUCE VISIBILITY FROM BLOWING SNOW. MOUNTAIN PASSES WILL BE HIGHLY IMPACTED BY THIS EVENT...CREATING HAZARDOUS TRAVEL CONDITIONS. IDZ005-MTZ002-004-043-241800- /O.EXT.KMSO.WS.W.0013.000000T0000Z-061124T1800Z/ NORTHERN CLEARWATER MOUNTAINS-WEST GLACIER REGION- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 517 AM MST FRI NOV 24 2006 /417 AM PST FRI NOV 24 2006/ ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING. TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES FOR THE MOUNTAINS ABOVE 4000 FEET BY LATE MORNING. LOWER VALLEYS BELOW 4000 FEET CAN EXPECT 4 TO 8 INCHES OF SNOW BY LATE MORNING. IN ADDITION TO SNOW...GUSTY SOUTHWEST WINDS 15 TO 25 MPH OVER THE HIGH TERRAIN WILL CAUSE BLOWING AND DRIFTING OF SNOW. $$ MTZ001-241500- /O.CON.KMSO.HS.W.0014.000000T0000Z-061124T1500Z/ KOOTENAI/CABINET REGION- 517 AM MST FRI NOV 24 2006 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES FOR THE MOUNTAINS ABOVE 4000 FEET BY MID MORNING. LOWER VALLEYS BELOW 4000 FEET CAN EXPECT 4 TO 6 INCHES OF SNOW BY MID MORNING. $$ MTZ003-241500- /O.CON.KMSO.SN.Y.0032.000000T0000Z-061124T1500Z/ FLATHEAD/MISSION VALLEYS- 517 AM MST FRI NOV 24 2006 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS MORNING. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED IN THE FLATHEAD AND MISSION VALLEYS BY MID MORNING. IN ADDITION...LOCAL SOUTHWEST WINDS 10 TO 20 MPH WILL CAUSE LOCALIZED BLOWING AND DRIFTING OF SNOW. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ006-242030- /O.CON.KMSO.SN.Y.0032.000000T0000Z-061124T2100Z/ SOUTHERN CLEARWATER MOUNTAINS- 417 AM PST FRI NOV 24 2006 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 4 TO 6 INCHES...LOCALLY UP TO 8 INCHES CAN BE EXPECTED ABOVE 3500 FEET BY EARLY THIS AFTERNOON. LOWER ELEVATIONS COULD SEE 1 TO 2 INCHES OF NEW SNOW. IN ADDITION...LOCAL SOUTHWEST WINDS 10 TO 20 MPH WILL CAUSE LOCALIZED BLOWING AND DRIFTING OF SNOW. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 241458 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 758 AM MST FRI NOV 24 2006 .A WET PACIFIC STORM SYSTEM WILL CONTINUE TO IMPACT NORTHWEST MONTANA AND THE CLEARWATER MOUNTAINS OF CENTRAL IDAHO THROUGH THE MORNING. GUSTY SOUTHWEST WINDS OVER THE HIGHER TERRAIN WILL ACCOMPANY THE SNOWFALL AND REDUCE VISIBILITY FROM BLOWING SNOW. MOUNTAIN PASSES WILL BE HIGHLY IMPACTED BY THIS EVENT...CREATING HAZARDOUS TRAVEL CONDITIONS. MTZ001-241600- /O.EXP.KMSO.HS.W.0014.000000T0000Z-061124T1500Z/ KOOTENAI/CABINET REGION- 758 AM MST FRI NOV 24 2006 ...HEAVY SNOW WARNING WILL EXPIRE AT 8 AM MST THIS MORNING... THE HEAVY SNOW WARNING WILL EXPIRE AT 8 AM MST THIS MORNING. THE BOUNDARY THAT BROUGHT ACCUMULATIONS OF 6-10 INCHES TO NORTHWEST MONTANA HAS MOVED SOUTH. $$ IDZ005-MTZ002-004-043-241800- /O.CON.KMSO.WS.W.0013.000000T0000Z-061124T1800Z/ NORTHERN CLEARWATER MOUNTAINS-WEST GLACIER REGION- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 758 AM MST FRI NOV 24 2006 /658 AM PST FRI NOV 24 2006/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING. TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES FOR THE MOUNTAINS ABOVE 4000 FEET BY LATE MORNING. LOWER VALLEYS BELOW 4000 FEET CAN EXPECT 4 TO 8 INCHES OF SNOW BY LATE MORNING. IN ADDITION TO SNOW...GUSTY SOUTHWEST WINDS 15 TO 25 MPH OVER THE HIGH TERRAIN WILL CAUSE BLOWING AND DRIFTING OF SNOW. $$ MTZ003-241800- /O.EXT.KMSO.SN.Y.0032.000000T0000Z-061124T1800Z/ FLATHEAD/MISSION VALLEYS- 758 AM MST FRI NOV 24 2006 ...SNOW ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 11 AM MST THIS MORNING FOR AREAS SOUTH OF FLATHEAD LAKE. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED IN THE SOUTHERN FLATHEAD...MISSION AND JOCKO VALLEYS BY MID MORNING. AREAS NORTH OF FLATHEAD LAKE WILL SEE LIGHT ADDITIONAL ACCUMULATIONS. IN ADDITION...LOCAL SOUTHWEST WINDS 10 TO 20 MPH WILL CAUSE LOCALIZED BLOWING AND DRIFTING OF SNOW. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ006-241800- /O.CON.KMSO.SN.Y.0032.000000T0000Z-061124T2100Z/ SOUTHERN CLEARWATER MOUNTAINS- 658 AM PST FRI NOV 24 2006 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 4 TO 6 INCHES...LOCALLY UP TO 8 INCHES CAN BE EXPECTED ABOVE 3500 FEET BY EARLY THIS AFTERNOON. LOWER ELEVATIONS COULD SEE 1 TO 2 INCHES OF NEW SNOW. IN ADDITION...LOCAL SOUTHWEST WINDS 10 TO 20 MPH WILL CAUSE LOCALIZED BLOWING AND DRIFTING OF SNOW. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 241800 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1100 AM MST FRI NOV 24 2006 .A STALLED MID LEVEL FRONT WILL DRIVE SIGNIFICANT SNOWFALL OVER CENTRAL IDAHO AND WEST CENTRAL MONTANA THROUGH SATURDAY MORNING. IDZ005-MTZ043-242200- /O.CAN.KMSO.WS.W.0013.000000T0000Z-061124T1800Z/ /O.NEW.KMSO.HS.W.0015.061124T1800Z-061125T1800Z/ NORTHERN CLEARWATER MOUNTAINS-POTOMAC/SEELEY LAKE REGION- 1100 AM MST FRI NOV 24 2006 /1000 AM PST FRI NOV 24 2006/ ...WINTER STORM WARNING IS CANCELLED... ...HEAVY SNOW WARNING IN EFFECT UNTIL 11 AM MST /10 AM PST/ SATURDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST /10 AM PST/ SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES FOR THE MOUNTAINS ABOVE 4000 FEET BY LATE SATURDAY MORNING. LOWER VALLEYS BELOW 4000 FEET CAN EXPECT 4 TO 8 INCHES OF SNOW BY LATE SATURDAY MORNING. 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. $$ MTZ002-004-241900- /O.CAN.KMSO.WS.W.0013.000000T0000Z-061124T1800Z/ WEST GLACIER REGION-LOWER CLARK FORK REGION- 1100 AM MST FRI NOV 24 2006 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. $$ MTZ003-241900- /O.CAN.KMSO.SN.Y.0032.000000T0000Z-061124T1800Z/ FLATHEAD/MISSION VALLEYS- 1100 AM MST FRI NOV 24 2006 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. $$ IDZ006-242200- /O.UPG.KMSO.SN.Y.0032.000000T0000Z-061124T2100Z/ /O.NEW.KMSO.HS.W.0015.061124T1800Z-061125T1800Z/ SOUTHERN CLEARWATER MOUNTAINS- 1000 AM PST FRI NOV 24 2006 ...HEAVY SNOW WARNING IN EFFECT UNTIL 10 AM PST SATURDAY... ...SNOW ADVISORY NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT UNTIL 10 AM PST SATURDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES FOR THE MOUNTAINS ABOVE 4000 FEET BY LATE SATURDAY MORNING. LOWER VALLEYS BELOW 4000 FEET CAN EXPECT 4 TO 8 INCHES OF SNOW BY LATE SATURDAY MORNING. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ006-242200- /O.NEW.KMSO.HS.W.0015.061124T1800Z-061125T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1100 AM MST FRI NOV 24 2006 ...HEAVY SNOW WARNING IN EFFECT UNTIL 11 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST SATURDAY. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES FOR THE MOUNTAINS ABOVE 4000 FEET BY LATE SATURDAY MORNING. LOWER VALLEYS BELOW 4000 FEET CAN EXPECT 4 TO 8 INCHES OF SNOW BY LATE SATURDAY MORNING. 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. $$ MTZ007-242200- /O.NEW.KMSO.HS.W.0015.061125T0000Z-061125T1800Z/ BUTTE/BLACKFOOT REGION- 1100 AM MST FRI NOV 24 2006 ...HEAVY SNOW WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SATURDAY FOR AREAS NORTH OF DEERLODGE... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SATURDAY. THIS WARNING IS FOR AREAS NORTH OF DEER LODGE...THIS WARNING DOES NOT INCLUDE ANACONDA OR BUTTE. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES FOR THE MOUNTAINS ABOVE 4000 FEET BY LATE SATURDAY MORNING. LOWER VALLEYS BELOW 4000 FEET CAN EXPECT 4 TO 8 INCHES OF SNOW BY LATE SATURDAY MORNING. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ005-242200- /O.NEW.KMSO.SN.Y.0033.061124T1800Z-061125T1800Z/ MISSOULA/BITTERROOT VALLEYS- 1100 AM MST FRI NOV 24 2006 ...SNOW ADVISORY IN EFFECT UNTIL 11 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM MST SATURDAY. 4 TO 8 INCHES OF SNOW WILL FALL ACROSS THE MISSOULA AND BITTERROOT VALLEYS BY LATE SATURDAY MORNING. 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. $$ IDZ007-008-242200- /O.NEW.KMSO.SN.Y.0033.061124T1800Z-061125T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 1000 AM PST FRI NOV 24 2006 ...SNOW ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY ABOVE 2000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 2000 FEET...WHICH IS IN EFFECT UNTIL 10 AM PST SATURDAY. 4 TO 8 INCHES OF SNOW WILL FALL ABOVE 2000 FEET BY LATE SATURDAY MORNING.. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 1:36 PM PST | Snow Advisory | MSO | Idaho | 20 hr |
| Nov 23, 1:36 PM PST | Heavy Snow Warning | MSO | Flathead, Lincoln, Sanders | 17 hr |
Nearby
Winter Storm Warnings in Montana, 2006Winter Storm Warnings in Idaho, 2006Every winter storm warning in 2006
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.