Alert archive / Montana / Winter Storm Warnings in 2012
Winter Storm Warning 8, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Oct 22, 2012, 2:34 AM MDT for 9 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Oct 22, 2012, 12:00 PM MDT. 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
- Oct 22, 2012, 2:34 AM MDT (08:34 UTC)
- In effect from
- Oct 22, 2012, 12:00 PM MDT
- Expired
- Oct 23, 2012, 3:10 AM MDT
- In force
- 15 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 38 km from the middle of the area, began a volume at 08:37 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 00:00Z, 8.6 hours before the alert went out and 159 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
- 50 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1132 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
589 WWUS45 KMSO 220834 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 234 AM MDT MON OCT 22 2012 IDZ005-220945- /O.CAN.KMSO.WS.A.0006.121023T0000Z-121023T1800Z/ NORTHERN CLEARWATER MOUNTAINS- 134 AM PDT MON OCT 22 2012 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WATCH. THE WATCH HAS BEEN UPGRADED TO A WARNING. $$ IDZ006-MTZ006-222145- /O.UPG.KMSO.WS.A.0006.121022T1800Z-121023T1200Z/ /O.NEW.KMSO.WS.W.0008.121022T1800Z-121023T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 234 AM MDT MON OCT 22 2012 /134 AM PDT MON OCT 22 2012/ ...WINTER STORM WARNING IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO 6 AM MDT /5 AM PDT/ TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO 6 AM MDT /5 AM PDT/ TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: SNOW WILL BEGIN TO DEVELOP IN THE CLEARWATER... BITTERROOT AND SAPPHIRE MOUNTAINS INCLUDING LOLO AND LOST TRAIL PASSES THIS AFTERNOON. SNOW ACCUMULATIONS WILL MAINLY IMPACT THE HIGHER ELEVATIONS AND MOUNTAIN PASSES. SNOW COVERED ROADS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: POTENTIAL ACCUMULATIONS OF 4-8 INCHES IN THE HIGHER TERRAIN AND ON MOUNTAIN PASSES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS... LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-002-004-043-222145- /O.UPG.KMSO.WS.A.0006.121023T0000Z-121023T1800Z/ /O.NEW.KMSO.WS.W.0008.121023T0000Z-121023T1800Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 234 AM MDT MON OCT 22 2012 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: SNOW WILL IMPACT THE NORTHERN CLEARWATERS AND MOUNTAINS OF NORTHWEST MONTANA BEGINNING THIS EVENING. MOUNTAIN PASSES AND ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: SNOW ACCUMULATIONS 0F 4-10 INCHES ABOVE 4000 FEET WITH 3-6 INCHES AS LOW AS 3000FT IN THE VALLEYS OF NORTHWEST MONTANA. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX... HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE... EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN... HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ003-222145- /O.NEW.KMSO.WW.Y.0048.121023T0000Z-121023T1800Z/ FLATHEAD/MISSION VALLEYS- 234 AM MDT MON OCT 22 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT NORTHWEST MONTANA BEGINNING TONIGHT. ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 3 INCHES. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
5 follow-up statements
446 WWUS45 KMSO 220940 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 340 AM MDT MON OCT 22 2012 IDZ005-222000- /O.EXA.KMSO.WS.W.0008.121023T0000Z-121023T1800Z/ NORTHERN CLEARWATER MOUNTAINS- 240 AM PDT MON OCT 22 2012 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT THE NORTHERN CLEARWATERS AND MOUNTAINS OF NORTHWEST MONTANA BEGINNING THIS EVENING. MOUNTAIN PASSES AND ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: SNOW ACCUMULATIONS 0F 4-10 INCHES ABOVE 4000 FEET WITH 3-6 INCHES AS LOW AS 3000FT IN THE VALLEYS OF NORTHWEST MONTANA. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ006-MTZ006-222000- /O.CON.KMSO.WS.W.0008.121022T1800Z-121023T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 340 AM MDT MON OCT 22 2012 /240 AM PDT MON OCT 22 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO 6 AM MDT /5 AM PDT/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO 6 AM MDT /5 AM PDT/ TUESDAY. * IMPACTS/TIMING: SNOW WILL BEGIN TO DEVELOP IN THE CLEARWATER... BITTERROOT AND SAPPHIRE MOUNTAINS INCLUDING LOLO AND LOST TRAIL PASSES THIS AFTERNOON. SNOW ACCUMULATIONS WILL MAINLY IMPACT THE HIGHER ELEVATIONS AND MOUNTAIN PASSES. SNOW COVERED ROADS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: POTENTIAL ACCUMULATIONS OF 4-8 INCHES IN THE HIGHER TERRAIN AND ON MOUNTAIN PASSES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS... LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-002-004-043-222000- /O.CON.KMSO.WS.W.0008.121023T0000Z-121023T1800Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 340 AM MDT MON OCT 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT THE NORTHERN CLEARWATERS AND MOUNTAINS OF NORTHWEST MONTANA BEGINNING THIS EVENING. MOUNTAIN PASSES AND ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: SNOW ACCUMULATIONS 0F 4-10 INCHES ABOVE 4000 FEET WITH 3-6 INCHES AS LOW AS 3000FT IN THE VALLEYS OF NORTHWEST MONTANA. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX... HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE... EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN... HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ003-222000- /O.CON.KMSO.WW.Y.0048.121023T0000Z-121023T1800Z/ FLATHEAD/MISSION VALLEYS- 340 AM MDT MON OCT 22 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT NORTHWEST MONTANA BEGINNING TONIGHT. ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 3 INCHES. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
707 WWUS45 KMSO 221949 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 149 PM MDT MON OCT 22 2012 IDZ006-MTZ006-230500- /O.CON.KMSO.WS.W.0008.000000T0000Z-121023T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 149 PM MDT MON OCT 22 2012 /1249 PM PDT MON OCT 22 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ TUESDAY. * IMPACTS/TIMING: SNOW WILL BEGIN TO DEVELOP IN THE CLEARWATER...BITTERROOT AND SAPPHIRE MOUNTAINS INCLUDING LOLO AND LOST TRAIL PASSES THIS AFTERNOON. SNOW ACCUMULATIONS WILL MAINLY IMPACT THE HIGHER ELEVATIONS AND MOUNTAIN PASSES. SNOW COVERED ROADS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 4-8 INCHES IN THE HIGHER TERRAIN AND ON MOUNTAIN PASSES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS... LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ005-MTZ001-002-004-043-230500- /O.CON.KMSO.WS.W.0008.121023T0000Z-121023T1800Z/ NORTHERN CLEARWATER MOUNTAINS-KOOTENAI/CABINET REGION- WEST GLACIER REGION-LOWER CLARK FORK REGION- POTOMAC/SEELEY LAKE REGION- 149 PM MDT MON OCT 22 2012 /1249 PM PDT MON OCT 22 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM MDT /5 PM PDT/ THIS EVENING TO NOON MDT /11 AM PDT/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM MDT /5 PM PDT/ THIS EVENING TO NOON MDT /11 AM PDT/ TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT THE NORTHERN CLEARWATERS AND MOUNTAINS OF NORTHWEST MONTANA BEGINNING THIS EVENING. MOUNTAIN PASSES AND ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: SNOW ACCUMULATIONS 0F 5-12 INCHES ABOVE 4000 FEET WITH 3-7 INCHES AS LOW AS 2000 FEET IN THE VALLEYS OF NORTHWEST MONTANA. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...HIGHWAY 2 KALISPELL TO LIBBY...HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ003-230500- /O.CON.KMSO.WW.Y.0048.121023T0000Z-121023T1800Z/ FLATHEAD/MISSION VALLEYS- 149 PM MDT MON OCT 22 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT NORTHWEST MONTANA BEGINNING TONIGHT. ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 4 INCHES. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
038 WWUS45 KMSO 222008 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 208 PM MDT MON OCT 22 2012 IDZ006-MTZ006-230500- /O.CON.KMSO.WS.W.0008.000000T0000Z-121023T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 208 PM MDT MON OCT 22 2012 /108 PM PDT MON OCT 22 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ TUESDAY. * IMPACTS/TIMING: SNOW WILL BEGIN TO DEVELOP IN THE CLEARWATER... BITTERROOT AND SAPPHIRE MOUNTAINS INCLUDING LOLO AND LOST TRAIL PASSES THIS AFTERNOON. SNOW ACCUMULATIONS WILL MAINLY IMPACT THE HIGHER ELEVATIONS AND MOUNTAIN PASSES. SNOW COVERED ROADS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 4-8 INCHES IN THE HIGHER TERRAIN AND ON MOUNTAIN PASSES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS... LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ005-MTZ001-002-004-043-230500- /O.CON.KMSO.WS.W.0008.121023T0000Z-121023T1800Z/ NORTHERN CLEARWATER MOUNTAINS-KOOTENAI/CABINET REGION- WEST GLACIER REGION-LOWER CLARK FORK REGION- POTOMAC/SEELEY LAKE REGION- 208 PM MDT MON OCT 22 2012 /108 PM PDT MON OCT 22 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM MDT /5 PM PDT/ THIS EVENING TO NOON MDT /11 AM PDT/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM MDT /5 PM PDT/ THIS EVENING TO NOON MDT /11 AM PDT/ TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT THE NORTHERN CLEARWATERS AND MOUNTAINS OF NORTHWEST MONTANA BEGINNING THIS EVENING. MOUNTAIN PASSES AND ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: SNOW ACCUMULATIONS 0F 5-12 INCHES ABOVE 4000 FEET WITH 3-7 INCHES AS LOW AS 2000 FEET IN THE VALLEYS OF NORTHWEST MONTANA. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...HIGHWAY 2 KALISPELL TO LIBBY...HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ005-230500- /O.EXB.KMSO.WW.Y.0048.121023T0300Z-121023T1800Z/ MISSOULA/BITTERROOT VALLEYS- 208 PM MDT MON OCT 22 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT THE MISSOULA AND BITTERROOT VALLEYS TONIGHT INTO TUESDAY MORNING. ROADWAYS WILL RECEIVE MODERATE SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 2 INCHES...LOCALLY UP TO 3 INCHES ON THE BENCHES SURROUNDING THE VALLEY FLOOR. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ003-230500- /O.CON.KMSO.WW.Y.0048.121023T0000Z-121023T1800Z/ FLATHEAD/MISSION VALLEYS- 208 PM MDT MON OCT 22 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL IMPACT NORTHWEST MONTANA BEGINNING TONIGHT. ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 4 INCHES. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
164 WWUS45 KMSO 230336 AAA WSWMSO URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE MISSOULA MT 936 PM MDT MON OCT 22 2012 IDZ006-MTZ006-231200- /O.CON.KMSO.WS.W.0008.000000T0000Z-121023T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 936 PM MDT MON OCT 22 2012 /836 PM PDT MON OCT 22 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT /5 AM PDT/ TUESDAY. * IMPACTS/TIMING: SNOW ACCUMULATIONS TO MAINLY IMPACT THE HIGHER ELEVATIONS AND MOUNTAIN PASSES. SNOW COVERED ROADS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 4-8 INCHES IN THE HIGHER TERRAIN AND ON MOUNTAIN PASSES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS... LOLO PASS && $$ IDZ005-MTZ001-002-004-043-231200- /O.CON.KMSO.WS.W.0008.000000T0000Z-121023T1800Z/ NORTHERN CLEARWATER MOUNTAINS-KOOTENAI/CABINET REGION- WEST GLACIER REGION-LOWER CLARK FORK REGION- POTOMAC/SEELEY LAKE REGION- 936 PM MDT MON OCT 22 2012 /836 PM PDT MON OCT 22 2012/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM PDT/ TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM PDT/ TUESDAY. * IMPACTS/TIMING: MOUNTAIN PASSES AND ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: SNOW ACCUMULATIONS 0F 5-12 INCHES ABOVE 4000 FEET WITH 3-7 INCHES AS LOW AS 2000 FEET IN THE VALLEYS. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...HIGHWAY 2 KALISPELL TO LIBBY...HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIG FORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH && $$ MTZ005-231200- /O.CON.KMSO.WW.Y.0048.000000T0000Z-121023T1800Z/ MISSOULA/BITTERROOT VALLEYS- 936 PM MDT MON OCT 22 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: ROADWAYS WILL RECEIVE MODERATE SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 2 INCHES...LOCALLY UP TO 3 INCHES ON THE BENCHES SURROUNDING THE VALLEY FLOOR. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA && $$ MTZ003-231200- /O.CON.KMSO.WW.Y.0048.000000T0000Z-121023T1800Z/ FLATHEAD/MISSION VALLEYS- 936 PM MDT MON OCT 22 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: ROADWAYS WILL BE IMPACTED WITH MODERATE TO HEAVY SNOW AT TIMES CREATING HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 4 INCHES. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON && $$
465 WWUS45 KMSO 230910 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 310 AM MDT TUE OCT 23 2012 IDZ005-MTZ001-002-004-043-231800- /O.CAN.KMSO.WS.W.0008.000000T0000Z-121023T1800Z/ /O.EXA.KMSO.WW.Y.0048.000000T0000Z-121023T1800Z/ NORTHERN CLEARWATER MOUNTAINS-KOOTENAI/CABINET REGION- WEST GLACIER REGION-LOWER CLARK FORK REGION- POTOMAC/SEELEY LAKE REGION- 310 AM MDT TUE OCT 23 2012 /210 AM PDT TUE OCT 23 2012/ ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT /11 AM PDT/ TODAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL NOON MDT /11 AM PDT/ TODAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * IMPACTS/TIMING: RECENT SNOW WILL COMBINE WITH OCCASIONAL SNOW SHOWERS THIS MORNING CAUSING DIFFICULT TRAVEL CONDITIONS AT TIMES. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...HIGHWAY 2 KALISPELL TO LIBBY...HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...HIGHWAY 93 EUREKA TO WHITEFISH...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...EVARO HILL... HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ006-MTZ006-231500- /O.CAN.KMSO.WS.W.0008.000000T0000Z-121023T1200Z/ /O.EXB.KMSO.WW.Y.0048.000000T0000Z-121023T1500Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 310 AM MDT TUE OCT 23 2012 /210 AM PDT TUE OCT 23 2012/ ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MDT /8 AM PDT/ THIS MORNING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 9 AM MDT /8 AM PDT/ THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * IMPACTS/TIMING: RECENT SNOW WILL COMBINE WITH OCCASIONAL SNOW SHOWERS THIS MORNING CAUSING DIFFICULT TRAVEL CONDITIONS AT TIMES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS... LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ005-231800- /O.CON.KMSO.WW.Y.0048.000000T0000Z-121023T1800Z/ MISSOULA/BITTERROOT VALLEYS- 310 AM MDT TUE OCT 23 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: RECENT SNOW WILL COMBINE WITH OCCASIONAL SNOW SHOWERS THIS MORNING CAUSING DIFFICULT TRAVEL CONDITIONS AT TIMES. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA $$ MTZ003-231800- /O.CON.KMSO.WW.Y.0048.000000T0000Z-121023T1800Z/ FLATHEAD/MISSION VALLEYS- 310 AM MDT TUE OCT 23 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: RECENT SNOW WILL COMBINE WITH OCCASIONAL SNOW SHOWERS THIS MORNING CAUSING DIFFICULT TRAVEL CONDITIONS AT TIMES. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 22, 2:34 AM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 48 hr |
Nearby
Winter Storm Warnings in Montana, 2012Winter Storm Warnings in Idaho, 2012Every winter storm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.