Alert archive / Montana / Winter Storm Warnings in 2012
Winter Storm Warning 12, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Dec 16, 2012, 12:35 PM MST for 6 counties in Montana. It took effect at Dec 16, 2012, 11:00 PM MST. It was in force for 23 hr. 18 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 16, 2012, 12:35 PM MST (19:35 UTC)
- In effect from
- Dec 16, 2012, 11:00 PM MST
- Expired
- Dec 17, 2012, 9:47 PM MST
- In force
- 23 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 89 km from the middle of the area, began a volume at 19:40 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 17, 5:30 AM MST | HEAVY SNOW 6 | 5 Nw East Portal, MT | 6 INCHES OF SNOW SINCE CLOSING LAST EVENING AT LOOKOUT PASS SKI AREA. HEAVY SNOW DURATION 12 HOURS |
| Dec 17, 6:00 AM MST | HEAVY SNOW 12 | Troy, MT | LIBBY COUNTY DISPATCHER REPORTED 12 INCHES IN TROY OVERNIGHT. SHE LIVES IN TROY AND COMMUTES TO LIBBY HEAVY SNOW DURATION 6 HOURS |
| Dec 17, 6:20 AM MST | SNOW 2 | 1 W Columbia Falls, MT | REPORTED AT COCORAHS STATION 0066H SNOW DURATION 24 HOURS |
| Dec 17, 6:30 AM MST | SNOW 0.9 | 1 Nnw Evaro, MT | REPORTED AT COCORAHS STATION 5745C SNOW DURATION 24 HOURS |
| Dec 17, 6:45 AM MST | SNOW 0.6 | 3 Ene Bigfork, MT | REPORTED AT COCORAHS STATION 0071H SNOW DURATION 24 HOURS |
| Dec 17, 7:00 AM MST | SNOW 1.5 | 3 S White Pine, MT | REPORTED AT COCORAHS STATION 5994S SNOW DURATION 24 HOURS |
| Dec 17, 7:00 AM MST | SNOW 1.7 | 1 Se Marion, MT | REPORTED AT COCORAHS STATION 0068H SNOW DURATION 24 HOURS |
| Dec 17, 7:30 AM MST | HEAVY SNOW 6 | 1 Ese Libby, MT | LIBBY DISPACTH REPORTS 5-6 OF SNOW OVERNIGHT, STILL SNOWING WITH LARGE FLAKES. HEAVY SNOW DURATION 12 HOURS |
| Dec 17, 7:35 AM MST | HEAVY SNOW 7.5 | 6 Ne Heron, MT | 3.5 OVERNIGHT AND 4 LAST EVENING. HEAVY SNOW DURATION 12 HOURS |
| Dec 17, 7:40 AM MST | HEAVY SNOW 4 | 4 Nw Noxon, MT | 4 INCHES OF SNOW OVERNIGHT. HEAVY SNOW DURATION 12 HOURS |
| Dec 17, 8:00 AM MST | SNOW 3 | Olney, MT | REPORTED AT COOP STATION OLNM8 SNOW DURATION 24 HOURS |
| Dec 17, 8:55 AM MST | HEAVY SNOW 12 | 1 Sw Libby, MT | MOST OF THE SNOW OCCURRED BETWEEN 3AM AND 9AM, STILL SNOWING HEAVILY. HEAVY SNOW DURATION 6 HOURS |
| Dec 17, 10:10 AM MST | SNOW 4 | Clearwater, MT | 2-4 INCHES OF SNOW FROM BONNER TO CLEARWATER JUNCTION. VISIBILITY REDUCED TO LESS THAN 500 FEET. |
| Dec 17, 1:55 PM MST | HEAVY SNOW 12 | 1 Sw Libby, MT | LIBBY HAS RECEIVED ANOTHER 12 INCHES SINCE 9 AM THIS MORNING. STORM TOTAL THUS FAR 24 INCHES SINCE 2 AM 12/17/12. NO WIND AND SNOW HAS LET UP SOME IN THE LAST HOUR. |
| Dec 17, 2:35 PM MST | SNOW 8 | 5 Nw East Portal, MT | MT DOT REPORT 6-8 INCHES BETWEEN HAUGAN TO LOOKOUT PASS SINCE 2 AM 12/17/12. NOT MUCH WIND AT THE PASS BUT REDUCED VISIBILITY FROM SNOW AND FOG. SNOW DURATION 12 HOURS |
| Dec 17, 3:00 PM MST | SNOW 6.3 | Essex, MT | 0.55 LIQUID WATER EQUIVALENT SNOW DURATION 12 HOURS |
| Dec 17, 5:00 PM MST | HEAVY SNOW 7.8 | 10 Sw Happys Inn, MT | HEAVY SNOW DURATION 12 HOURS |
| Dec 17, 9:46 PM MST | HEAVY SNOW 11.8 | 9 Nne Yaak, MT | HEAVY SNOW DURATION 24 HOURS |
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 12:00Z, 7.6 hours before the alert went out and 135 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
- 661 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
325 WWUS45 KMSO 161935 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1235 PM MST SUN DEC 16 2012 ...SNOW AND BLOWING SNOW TO IMPACT NORTHERN ROCKIES THIS EVENING THROUGH MONDAY EVENING... MTZ002-171200- /O.UPG.KMSO.WW.Y.0063.121217T0600Z-121218T0600Z/ /O.NEW.KMSO.WS.W.0012.121217T0900Z-121218T0600Z/ WEST GLACIER REGION- 1235 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT ACROSS THE GLACIER REGION THIS EVENING THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST OVER MARIAS PASS ALONG HIGHWAY 2. * SNOW ACCUMULATIONS: 8 TO 12 INCHES AT MARIAS PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 50 MPH NEAR MARIAS PASS. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE 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. && $$ MTZ001-171200- /O.UPG.KMSO.WW.Y.0063.121217T0600Z-121218T0600Z/ /O.NEW.KMSO.WS.W.0012.121217T0600Z-121218T0600Z/ KOOTENAI/CABINET REGION- 1235 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THIS EVENING THROUGH MONDAY EVENING. GUSTY WINDS WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS ACROSS FAR NORTHWEST MONTANA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES...UP TO 12 INCHES NEAR YAAK. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WINDS: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-171200- /O.UPG.KMSO.WW.Y.0063.121217T0600Z-121218T0600Z/ /O.NEW.KMSO.WS.W.0012.121217T0600Z-121218T0600Z/ LOWER CLARK FORK REGION- 1235 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THIS EVENING THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST FROM LOOKOUT PASS TO HAUGAN ALONG INTERSTATE 90. * SNOW ACCUMULATIONS: 12 TO 18 INCHES NEAR LOOKOUT PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 45 MILES NEAR LOOKOUT PASS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN 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. && $$ IDZ007-008-171200- /O.EXA.KMSO.WW.Y.0063.121217T0600Z-121218T0600Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 1135 AM PST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THIS EVENING THROUGH MONDAY EVENING MAINLY ABOVE 1500 FEET. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. LITTLE SNOW ACCUMULATION BELOW 1500 FEET...HOWEVER INSTANT BLACK ICE IS POSSIBLE WITH THE ONSET OF SNOW AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES IN THE HIGHER TERRAIN...2 TO 5 INCHES IN THE VALLEYS DOWN TO 1500 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. WIND GUSTS TO 50 MPH ACROSS CAMAS PRAIRIE AT TIMES MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS... WHITE BIRD GRADE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ009-171200- /O.EXA.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ WESTERN LEMHI COUNTY- 1235 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 11 PM MST MONDAY FOR...SHOUP... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. 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. && $$ MTZ006-007-171200- /O.CON.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION- 1235 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW OVER LOLO...LOST TRAIL...AND MACDONALD PASSES TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. SNOW AND BLOWING SNOW WILL ALSO HEAVILY IMPACT TRAVEL ALONG HIGHWAY 1 FROM GEORGETOWN LAKE TO ANACONDA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ003-043-171200- /O.CON.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION- 1235 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW... PARTICULARLY ALONG HIGHWAY 2 FROM KALISPELL THROUGH BAD ROCK CANYON AND ALONG THE HIGHWAY 200 CORRIDOR...AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES FOR THE FLATHEAD VALLEY AND THE SEELEY/SWAN VALLEYS. 2 TO 4 INCHES FOR THE MISSION VALLEY. * WIND: SOUTHWEST TO WEST 15 TO 25 MPH GUSTING TO 35 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...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. && $$ IDZ005-006-171200- /O.CON.KMSO.WW.Y.0063.121217T0600Z-121218T0600Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 1135 AM PST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THIS EVENING THROUGH MONDAY EVENING MAINLY ABOVE 1500 FEET. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. LITTLE SNOW ACCUMULATION BELOW 1500 FEET...HOWEVER INSTANT BLACK ICE IS POSSIBLE WITH THE ONSET OF SNOW AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES IN THE HIGHER TERRAIN...2 TO 5 INCHES IN THE VALLEYS DOWN TO 1500 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ010-171200- /O.CON.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ EASTERN LEMHI COUNTY- 1235 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW OVER LOST TRAIL PASS AND GILMORE SUMMIT TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES NEAR LOST TRAIL...BANNOCK ...AND LEMHI PASSES...2 TO 5 INCHES ELSEWHERE. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS...SALMON 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. && $$
5 follow-up statements
282 WWUS45 KMSO 170107 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 607 PM MST SUN DEC 16 2012 ...SNOW AND BLOWING SNOW TO IMPACT NORTHERN ROCKIES THIS EVENING THROUGH MONDAY EVENING... MTZ001-171315- /O.CON.KMSO.WS.W.0012.121217T0600Z-121218T0600Z/ KOOTENAI/CABINET REGION- 607 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THIS EVENING THROUGH MONDAY EVENING. GUSTY WINDS WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS ACROSS FAR NORTHWEST MONTANA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES...UP TO 12 INCHES NEAR YAAK. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WINDS: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-171315- /O.CON.KMSO.WS.W.0012.121217T0600Z-121218T0600Z/ LOWER CLARK FORK REGION- 607 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THIS EVENING THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST FROM LOOKOUT PASS TO HAUGAN ALONG INTERSTATE 90. * SNOW ACCUMULATIONS: 12 TO 18 INCHES NEAR LOOKOUT PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 45 MILES NEAR LOOKOUT PASS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN 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. && $$ MTZ002-171315- /O.CON.KMSO.WS.W.0012.121217T0900Z-121218T0600Z/ WEST GLACIER REGION- 607 PM MST SUN DEC 16 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT ACROSS THE GLACIER REGION THIS EVENING THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST OVER MARIAS PASS ALONG HIGHWAY 2. * SNOW ACCUMULATIONS: 8 TO 12 INCHES AT MARIAS PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 50 MPH NEAR MARIAS PASS. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ005-171315- /O.EXA.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ MISSOULA/BITTERROOT VALLEYS- 607 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. MAIN AREA OF IMPACT TONIGHT WILL BE THE SOUTHERN BITTERROOT VALLEY INCLUDING HAMILTON. TOMORROW SNOW BANDS WILL SET UP CAUSING VERY LOCALIZED AREAS OF HEAVY SNOW THROUGHOUT THE MISSOULA AND BITTERROOT VALLEYS. * SNOW ACCUMULATIONS: 2-4 INCHES IN THE HAMILTON AND DARBY AREAS TO 1-2 INCHES IN MISSOULA. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA...HAMILTON 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. && $$ MTZ006-007-171315- /O.CON.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION- 607 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW OVER LOLO... LOST TRAIL...AND MACDONALD PASSES TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. SNOW AND BLOWING SNOW WILL ALSO HEAVILY IMPACT TRAVEL ALONG HIGHWAY 1 FROM GEORGETOWN LAKE TO ANACONDA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ005>008-171315- /O.CON.KMSO.WW.Y.0063.121217T0600Z-121218T0600Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 507 PM PST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THIS EVENING THROUGH MONDAY EVENING MAINLY ABOVE 1500 FEET. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. LITTLE SNOW ACCUMULATION BELOW 1500 FEET... HOWEVER INSTANT BLACK ICE IS POSSIBLE WITH THE ONSET OF SNOW AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES IN THE HIGHER TERRAIN...2 TO 5 INCHES IN THE VALLEYS DOWN TO 1500 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. WIND GUSTS TO 50 MPH ACROSS CAMAS PRAIRIE AT TIMES MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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. && $$ MTZ003-043-171315- /O.CON.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION- 607 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW... PARTICULARLY ALONG HIGHWAY 2 FROM KALISPELL THROUGH BAD ROCK CANYON AND ALONG THE HIGHWAY 200 CORRIDOR...AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES FOR THE FLATHEAD VALLEY AND THE SEELEY/SWAN VALLEYS. 2 TO 4 INCHES FOR THE MISSION VALLEY. * WIND: SOUTHWEST TO WEST 15 TO 25 MPH GUSTING TO 35 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ009-010-171315- /O.CON.KMSO.WW.Y.0063.121217T0900Z-121218T0600Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 607 PM MST SUN DEC 16 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM MST MONDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT TONIGHT THROUGH MONDAY EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. 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. && $$
574 WWUS45 KMSO 171022 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 322 AM MST MON DEC 17 2012 ...SNOW AND BLOWING SNOW TO IMPACT NORTHERN ROCKIES THIS EVENING THROUGH MONDAY EVENING... MTZ001-172100- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ KOOTENAI/CABINET REGION- 322 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. GUSTY WINDS WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS ACROSS FAR NORTHWEST MONTANA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES...UP TO 12 INCHES NEAR YAAK. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WINDS: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-172100- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ LOWER CLARK FORK REGION- 322 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST FROM LOOKOUT PASS TO HAUGAN ALONG INTERSTATE 90. * SNOW ACCUMULATIONS: 12 TO 18 INCHES NEAR LOOKOUT PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 45 MILES NEAR LOOKOUT PASS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN 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. && $$ MTZ002-172100- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ WEST GLACIER REGION- 322 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT ACROSS THE GLACIER REGION THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST OVER MARIAS PASS ALONG HIGHWAY 2. * SNOW ACCUMULATIONS: 8 TO 12 INCHES AT MARIAS PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 50 MPH NEAR MARIAS PASS. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ006-007-172100- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION- 322 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW OVER LOLO... LOST TRAIL...AND MACDONALD PASSES TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. SNOW AND BLOWING SNOW WILL ALSO HEAVILY IMPACT TRAVEL ALONG HIGHWAY 1 FROM GEORGETOWN LAKE TO ANACONDA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD 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. && $$ MTZ003-043-172100- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION- 322 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW... PARTICULARLY ALONG HIGHWAY 2 FROM KALISPELL THROUGH BAD ROCK CANYON AND ALONG THE HIGHWAY 200 CORRIDOR...AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES FOR THE FLATHEAD VALLEY AND THE SEELEY/SWAN VALLEYS. 2 TO 4 INCHES FOR THE MISSION VALLEY. * WIND: SOUTHWEST TO WEST 15 TO 25 MPH GUSTING TO 35 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ005>008-172100- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 222 AM PST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING MAINLY ABOVE 1500 FEET. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. LITTLE SNOW ACCUMULATION BELOW 1500 FEET... HOWEVER INSTANT BLACK ICE IS POSSIBLE WITH THE ONSET OF SNOW AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES IN THE HIGHER TERRAIN...2 TO 5 INCHES IN THE VALLEYS DOWN TO 1500 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. WIND GUSTS TO 50 MPH ACROSS CAMAS PRAIRIE AT TIMES THIS MORNING. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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. && $$ IDZ009-010-172100- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 322 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ005-172100- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ MISSOULA/BITTERROOT VALLEYS- 322 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. SNOW BANDS WILL SET UP TODAY CAUSING VERY LOCALIZED AREAS OF HEAVY SNOW THROUGHOUT THE MISSOULA AND BITTERROOT VALLEYS. * SNOW ACCUMULATIONS: 2-4 INCHES IN THE HAMILTON AND DARBY AREAS TO 1-2 INCHES IN MISSOULA. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA 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. && $$
837 WWUS45 KMSO 171511 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 811 AM MST MON DEC 17 2012 ...SNOW AND BLOWING SNOW TO IMPACT NORTHERN ROCKIES THIS EVENING THROUGH MONDAY EVENING... MTZ001-172315- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ KOOTENAI/CABINET REGION- 811 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. GUSTY WINDS WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS ACROSS FAR NORTHWEST MONTANA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES...UP TO 12 INCHES NEAR YAAK. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WINDS: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-172315- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ LOWER CLARK FORK REGION- 811 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST FROM LOOKOUT PASS TO HAUGAN ALONG INTERSTATE 90. * SNOW ACCUMULATIONS: 12 TO 18 INCHES NEAR LOOKOUT PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 45 MPH NEAR LOOKOUT PASS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN 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. && $$ MTZ002-172315- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ WEST GLACIER REGION- 811 AM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT ACROSS THE GLACIER REGION THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST OVER MARIAS PASS ALONG HIGHWAY 2. * SNOW ACCUMULATIONS: 8 TO 12 INCHES AT MARIAS PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 50 MPH NEAR MARIAS PASS. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ006-007-172315- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION- 811 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW OVER LOLO... LOST TRAIL... AND MACDONALD PASSES TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. SNOW AND BLOWING SNOW WILL ALSO HEAVILY IMPACT TRAVEL ALONG HIGHWAY 1 FROM GEORGETOWN LAKE TO ANACONDA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD 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. && $$ MTZ003-043-172315- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION- 811 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW... PARTICULARLY ALONG HIGHWAY 2 FROM KALISPELL THROUGH BAD ROCK CANYON AND ALONG THE HIGHWAY 200 CORRIDOR...AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES FOR THE FLATHEAD VALLEY AND THE SEELEY/SWAN VALLEYS. 2 TO 4 INCHES FOR THE MISSION VALLEY. * WIND: SOUTHWEST TO WEST 15 TO 25 MPH GUSTING TO 35 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ005>008-172315- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 711 AM PST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING MAINLY ABOVE 1500 FEET. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. LITTLE SNOW ACCUMULATION BELOW 1500 FEET... HOWEVER INSTANT BLACK ICE IS POSSIBLE WITH THE ONSET OF SNOW AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES IN THE HIGHER TERRAIN...2 TO 5 INCHES IN THE VALLEYS DOWN TO 1500 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. WIND GUSTS TO 50 MPH ACROSS CAMAS PRAIRIE AT TIMES THIS MORNING. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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. && $$ IDZ009-010-172315- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 811 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ005-172315- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ MISSOULA/BITTERROOT VALLEYS- 811 AM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. SNOW BANDS WILL SET UP TODAY CAUSING VERY LOCALIZED AREAS OF HEAVY SNOW THROUGHOUT THE MISSOULA AND BITTERROOT VALLEYS. * SNOW ACCUMULATIONS: 3 TO 5 INCHES IN THE BITTERROOT VALLEY. 2 TO 3 INCHES IN MISSOULA VALLEY. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA 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. && $$
396 WWUS45 KMSO 172247 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 347 PM MST MON DEC 17 2012 ...SNOW AND BLOWING SNOW TO IMPACT NORTHERN ROCKIES THROUGH THIS EVENING... MTZ001-180600- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ KOOTENAI/CABINET REGION- 347 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. GUSTY WINDS WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS ACROSS FAR NORTHWEST MONTANA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES...UP TO 12 INCHES NEAR YAAK. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WINDS: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ004-180600- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ LOWER CLARK FORK REGION- 347 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST FROM LOOKOUT PASS TO HAUGAN ALONG INTERSTATE 90. * SNOW ACCUMULATIONS: 12 TO 18 INCHES NEAR LOOKOUT PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 45 MPH NEAR LOOKOUT PASS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN 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. && $$ MTZ002-180600- /O.CON.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ WEST GLACIER REGION- 347 PM MST MON DEC 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT ACROSS THE GLACIER REGION THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. CONDITIONS WILL BE WORST OVER MARIAS PASS ALONG HIGHWAY 2. * SNOW ACCUMULATIONS: 8 TO 12 INCHES AT MARIAS PASS...5 TO 10 INCHES FOR LOWER ELEVATIONS. * VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. GUSTS TO 50 MPH NEAR MARIAS PASS. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ006-007-180600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION- 347 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW OVER LOLO... LOST TRAIL... AND MACDONALD PASSES TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. SNOW AND BLOWING SNOW WILL ALSO HEAVILY IMPACT TRAVEL ALONG HIGHWAY 1 FROM GEORGETOWN LAKE TO ANACONDA. * SNOW ACCUMULATIONS: 5 TO 10 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH AT TIMES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD 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. && $$ MTZ003-043-180600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION- 347 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW... PARTICULARLY ALONG HIGHWAY 2 FROM KALISPELL THROUGH BAD ROCK CANYON AND ALONG THE HIGHWAY 200 CORRIDOR...AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES FOR THE FLATHEAD VALLEY AND THE SEELEY/SWAN VALLEYS. 2 TO 4 INCHES FOR THE MISSION VALLEY. * WIND: SOUTHWEST TO WEST 15 TO 25 MPH GUSTING TO 35 MPH. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ005>008-180600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 247 PM PST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING MAINLY ABOVE 1500 FEET. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. LITTLE SNOW ACCUMULATION BELOW 1500 FEET... HOWEVER INSTANT BLACK ICE IS POSSIBLE WITH THE ONSET OF SNOW AT ALL ELEVATIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES IN THE HIGHER TERRAIN...2 TO 5 INCHES IN THE VALLEYS DOWN TO 1500 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. WIND GUSTS TO 50 MPH ACROSS CAMAS PRAIRIE AT TIMES THIS MORNING. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE 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. && $$ IDZ009-010-180600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 347 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. WIND WILL COMBINE WITH SNOW TO LIMIT VISIBILITY AND CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 8 TO 12 INCHES ABOVE 6000 FEET...2 TO 5 INCHES BELOW 6000 FEET. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ005-180600- /O.CON.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ MISSOULA/BITTERROOT VALLEYS- 347 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THIS EVENING. SNOW BANDS WILL SET UP TODAY CAUSING VERY LOCALIZED AREAS OF HEAVY SNOW THROUGHOUT THE MISSOULA AND BITTERROOT VALLEYS. * SNOW ACCUMULATIONS: 3 TO 5 INCHES IN THE BITTERROOT VALLEY. 2 TO 3 INCHES IN MISSOULA VALLEY. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA 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. && $$
035 WWUS45 KMSO 180447 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 947 PM MST MON DEC 17 2012 ...SNOW AND BLOWING SNOW TO IMPACT NORTHERN ROCKIES THROUGH THIS EVENING... MTZ002-181200- /O.CAN.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ /O.EXB.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ WEST GLACIER REGION- 947 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. SNOW BANDS WILL CAUSE LOCALIZED HEAVY SNOW AND VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-3 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MTZ004-181200- /O.CAN.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ /O.EXB.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ LOWER CLARK FORK REGION- 947 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. SNOW BANDS WILL CAUSE LOCALIZED HEAVY SNOW AND VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-3 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN 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. && $$ MTZ001-181200- /O.CAN.KMSO.WS.W.0012.000000T0000Z-121218T0600Z/ /O.EXB.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ KOOTENAI/CABINET REGION- 947 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST TUESDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST TUESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. SNOW BANDS WILL CAUSE LOCALIZED HEAVY SNOW AND VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-3 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ007-008-MTZ007-180600- /O.CAN.KMSO.WW.Y.0063.000000T0000Z-121218T0600Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- BUTTE/BLACKFOOT REGION- 947 PM MST MON DEC 17 2012 /847 PM PST MON DEC 17 2012/ ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW IS DECREASING OR STOPPED IN MOST AREAS SO THE ADVISORY HAS BEEN CANCELLED. TRAVELERS SHOULD STILL USE CAUTION TONIGHT AS ROADS MAY STILL BE SLICK. $$ MTZ006-181200- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 947 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST TUESDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST TUESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. SNOW BANDS WILL CAUSE LOCALIZED HEAVY SNOW AND VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-2 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ003-043-181200- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION- 947 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST TUESDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST TUESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. SNOW BANDS WILL CAUSE LOCALIZED HEAVY SNOW AND VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-3 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...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. && $$ IDZ005-006-181200- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 847 PM PST MON DEC 17 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST TUESDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 4 AM PST TUESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. SNOW BANDS WILL CAUSE LOCALIZED HEAVY SNOW AND VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-2 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ009-010-181200- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 947 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST TUESDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST TUESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. BLOWING SNOW WILL CAUSE LOCALIZED VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-2 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * WIND: WEST 15 TO 25 MPH GUSTING TO 35 MPH. 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. && $$ MTZ005-181200- /O.EXT.KMSO.WW.Y.0063.000000T0000Z-121218T1200Z/ MISSOULA/BITTERROOT VALLEYS- 947 PM MST MON DEC 17 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST TUESDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST TUESDAY. * IMPACTS/TIMING: ACCUMULATING SNOW WILL BE PRESENT THROUGH THE MORNING. SNOW BANDS WILL CAUSE LOCALIZED HEAVY SNOW AND VISIBILITY BELOW A QUARTER MILE AT TIMES. * SNOW ACCUMULATIONS: 1-3 INCHES ADDITIONAL ACCUMULATION BY MORNING POSSIBLE UNDER STRONGER BANDS. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
Nearby
Winter Storm Warnings in Montana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.