Alert archive / Montana / Winter Storm Warnings in 2014
Winter Storm Warning 16, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Nov 9, 2014, 10:52 AM MST for 9 counties in Montana. It took effect at Nov 9, 2014, 3:00 PM MST. It was in force for 20 hr. 7 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
- Nov 9, 2014, 10:52 AM MST (17:52 UTC)
- In effect from
- Nov 9, 2014, 3:00 PM MST
- Expired
- Nov 10, 2014, 11:04 AM MST
- In force
- 20 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 27 km from the middle of the area, began a volume at 17:55 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 9, 8:30 PM MST | HEAVY SNOW 5 | 5 Ene Blacktail, MT | THE HADS SENSOR AT MARIAS PASS REPORTED 0.24 OF MELTED PRECIPITATION ASSOCIATED WITH THE ARCTIC FRONT PASSAGE. TEMPS CRASHED FROM 34 AT 2:30 PM TO 17 DEG. F BY 4 PM MST. USING A 20 TO 1 SNOW TO LIQUID RATIO THE PASS COULD HAVE RECEIVED AROUND 5 INCHES OF SNOW. |
| Nov 9, 8:47 PM MST | SNOW 2 | Columbia Falls, MT | |
| Nov 9, 9:15 PM MST | HEAVY SNOW 4 | 1 Ssw Blacktail, MT | SNOW SLIP INN REPORTED THAT SNOW BEGAN EARLIER THIS AFTERNOON AND HAS LIGHTENED UP NOW. THE RAIN THAT FELL FROZE WITH THE SNOW AND MADE IT VERY SLIPPERY. THERE WERE SEVERAL SPIN-OUTS BUT NO ONE GOT HURT. THERE WAS REPORT THAT MARIAS PASS HAD LIMITED VISIBILITY |
| Nov 9, 9:15 PM MST | HEAVY SNOW 4 | 1 Ssw Blacktail, MT | SNOW SLIP INN REPORTED THAT SNOW BEGAN EARLIER THIS AFTERNOON AND HAS LIGHTENED UP NOW. THE RAIN THAT FELL FROZE WITH THE SNOW AND MADE IT VERY SLIPPERY. THERE WERE SEVERAL SPIN-OUTS BUT NO ONE GOT HURT. THERE WAS REPORT THAT MARIAS PASS HAD LIMITED VISIBILITY |
| Nov 9, 10:00 PM MST | HEAVY SNOW 14 | 6 N Whitefish, MT | BIG MOUNTAIN SUMMIT AT THE WHITEFISH SKI RESORT AT 6737 FT. TEMPERATURE DROPPED FROM 27 AT 6 PM TO 16 DEGREES AT 7 PM MST. WINDS HAVE BEEN GUSTING TO 53 MPH OUT OF THE NORTH. |
| Nov 9, 11:00 PM MST | SNOW 0.6 | 1 W La Salle, MT | NOT MUCH SNOW REPORTED AT THE GLACIER PARK INTERNATIONAL AIRPORT. OBSERVER REPORTED SLICK ROADS MOST LIKELY FROM FREEZING OF EARLIER RAIN AND NEW SNOW. PEAK WIND GUST WAS 48 MPH. |
| Nov 10, 12:41 AM MST | HEAVY SNOW 2 | Deer Lodge, MT | POWELL COUNTY DISPATCH REPORTED THAT ROAD CONDITIONS WERE SLICK. A SEMI-TRUCK HAD SLID OFF THE ROAD AT MILE MARKER 183. THE POWELL COUNTY AIRPORT AWOS REPORTED VISIBILITY TO ONE-QUARTER MILE FROM 9:55 PM TO 11:10 PM MST. |
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, 5.9 hours before the alert went out and 222 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
- 1269 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 311 m²/s²
- 0-3 km storm-relative helicity
- 423 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
293 WWUS45 KMSO 091752 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1052 AM MST SUN NOV 9 2014 ...SIGNIFICANT WINTER WEATHER IMPACTS FOR NORTHERN ROCKIES THIS AFTERNOON THROUGH MONDAY... MTZ003-100600- /O.UPG.KMSO.WS.A.0008.141110T0100Z-141111T0100Z/ /O.NEW.KMSO.WS.W.0016.141110T0100Z-141110T1900Z/ FLATHEAD/MISSION VALLEYS- 1052 AM MST SUN NOV 9 2014 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR FLASH FREEZE AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: WINTER WEATHER IMPACTS WILL BEGIN THIS EVENING AND CONTINUE THROUGH MONDAY. RAIN/SNOW MIX THIS EVENING WILL BECOME ALL SNOW BY PRE DAWN MONDAY MORNING. SNOW AND BLOWING SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. A FLASH FREEZE OF MELTED SNOW ON ROADWAYS FROM BADROCK CANYON WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS AROUND THE FLATHEAD VALLEY THROUGH MIDDAY MONDAY. * SNOW ACCUMULATIONS: 1 TO 3 INCHES OF WET SNOW WITH SUDDEN REFREEZING ON PAVEMENT. * WINDS: NORTHEAST 20 TO 30 MPH GUSTING TO 50 MPH NEAR THE MOUTH OF BADROCK CANYON THIS EVENING THROUGH MIDDAY MONDAY. GUSTS TO 40 MPH WILL SPREAD INTO THE FLATHEAD AND MISSION VALLEYS EARLY MONDAY MORNING. * WIND CHILL: ZERO TO 10 DEGREES TONIGHT THROUGH MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ002-100600- /O.UPG.KMSO.WS.A.0008.141110T0100Z-141111T0100Z/ /O.NEW.KMSO.WS.W.0016.141109T2200Z-141110T2200Z/ WEST GLACIER REGION- 1052 AM MST SUN NOV 9 2014 ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: WINTER WEATHER IMPACTS WILL BEGIN THIS AFTERNOON AND CONTINUE THROUGH MONDAY. SNOW AND BLOWING SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. HAZARDOUS DRIVING CONDITIONS WILL OCCUR THIS AFTERNOON THROUGH MONDAY AFTERNOON. BELOW ZERO WIND CHILL WILL DEVELOP BY MONDAY MORNING. * SNOW ACCUMULATIONS: 6 TO 10 INCHES OVER MARIAS PASS INCLUDING ESSEX. 2 TO 4 INCHES FOR VALLEY LOCATIONS. * WINDS: EAST 20 TO 30 MPH GUSTING TO 40 MPH OVER MARIAS PASS THIS AFTERNOON THROUGH MONDAY. * WIND CHILL: 10 BELOW ZERO TO ZERO DEGREES LATE TONIGHT THROUGH MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ007-043-100600- /O.UPG.KMSO.WS.A.0008.141110T0100Z-141111T0100Z/ /O.NEW.KMSO.WS.W.0016.141110T0400Z-141111T0100Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 1052 AM MST SUN NOV 9 2014 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 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 9 PM THIS EVENING TO 6 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: THE MOST SIGNIFICANT WINTER WEATHER IMPACTS WILL BE FOCUSED OVER AREA MOUNTAIN PASSES...THE SEELEY/SWAN VALLEY...AND OVANDO/AVON. SNOW AND BLOWING SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. HAZARDOUS DRIVING CONDITIONS WILL OCCUR TONIGHT THROUGH MONDAY AFTERNOON DUE TO ICY ROADWAYS. BELOW ZERO WIND CHILL TO DEVELOP BY MONDAY EVENING. * SNOW ACCUMULATIONS: 4 TO 8 INCHES OVER MOUNTAIN PASSES. 3 TO 5 INCHES FOR OVANDO...AVON...SEELEY/SWAN VALLEY. 1 TO 3 INCHES FOR BUTTE AND GEORGETOWN LAKE. * WINDS: EAST 20 TO 30 MPH GUSTING TO 40 MPH SUNDAY NIGHT THROUGH MONDAY. * WIND CHILL: 10 BELOW ZERO TO ZERO DEGREES MONDAY NIGHT. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...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... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ005-100600- /O.UPG.KMSO.WS.A.0008.141110T0100Z-141111T0100Z/ /O.NEW.KMSO.WS.W.0016.141110T0700Z-141110T2200Z/ MISSOULA/BITTERROOT VALLEYS- 1052 AM MST SUN NOV 9 2014 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR FLASH FREEZE AND BLOWING SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: THE MOST SIGNIFICANT WINTER WEATHER IMPACTS WILL BE FOCUSED ON THE MISSOULA VALLEY FROM AROUND MIDNIGHT AND THROUGH EARLY AFTERNOON MONDAY. RAIN/SNOW MIX TONIGHT WILL BECOME ALL SNOW BY MONDAY MORNING. SNOW AND BLOWING SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. A FLASH FREEZE OF MELTED SNOW ON ROADWAYS FROM HELLGATE CANYON WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS AROUND THE MISSOULA VALLEY THROUGH MIDDAY MONDAY. * SNOW ACCUMULATIONS: 1 TO 3 INCHES OF WET SNOW WITH SUDDEN REFREEZING ON PAVEMENT. * WINDS: EAST 20 TO 30 MPH WITH GUSTS TO 40 MPH NEAR THE MOUTH OF HELLGATE CANYON TONIGHT THROUGH MONDAY EARLY AFTERNOON. * WIND CHILL: ZERO TO 10 DEGREES MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...MISSOULA VALLEY PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-004-100600- /O.NEW.KMSO.WW.Y.0060.141110T0400Z-141111T0100Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 1052 AM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MST MONDAY. * IMPACTS/TIMING: THE MOST SIGNIFICANT WINTER WEATHER IMPACTS WILL BE FOCUSED ON THE HIGHWAY 93 CORRIDOR NORTH OF WHITEFISH AND HIGHWAY 2 CORRIDOR LIBBY EASTWARD THIS EVENING THROUGH MONDAY AFTERNOON. INITIALLY WET ROADS WILL BECOME SNOW AND ICE COVERED TONIGHT. SLICK ROADS COMBINED WITH OCCASIONAL LOW VISIBILITY IN BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 3 INCHES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...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 FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MTZ006-100600- /O.NEW.KMSO.WW.Y.0060.141110T0400Z-141111T0100Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1052 AM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 6 PM MST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THIS EVENING THROUGH MONDAY AFTERNOON. * SNOW ACCUMULATIONS: 3 TO 6 INCHES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IDZ005-006-100600- /O.NEW.KMSO.WW.Y.0060.141110T0400Z-141111T0100Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 1052 AM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 PM PST MONDAY ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW ABOVE 4000 FEET... WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 5 PM PST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THIS EVENING THROUGH MONDAY AFTERNOON. * SNOW ACCUMULATIONS: 3 TO 6 INCHES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY 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. && $$ IDZ009-010-100600- /O.NEW.KMSO.WW.Y.0060.141110T0700Z-141111T0100Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 1052 AM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST MONDAY ABOVE 5000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW ABOVE 5000 FEET... WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THIS EVENING THROUGH MONDAY AFTERNOON. * SNOW ACCUMULATIONS: 2 TO 4 INCHES. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
3 follow-up statements
368 WWUS45 KMSO 100400 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 900 PM MST SUN NOV 9 2014 ...SIGNIFICANT WINTER WEATHER IMPACTS FOR NORTHERN ROCKIES THROUGH MONDAY... MTZ003-101300- /O.CON.KMSO.WS.W.0016.000000T0000Z-141110T1900Z/ FLATHEAD/MISSION VALLEYS- 900 PM MST SUN NOV 9 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES THROUGH MONDAY MORNING. A FLASH FREEZE OF MELTED SNOW ON ROADWAYS FROM BADROCK CANYON WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS AROUND THE FLATHEAD VALLEY THROUGH MIDDAY MONDAY. * SNOW ACCUMULATIONS: 1 TO 3 INCHES OF WET SNOW WITH SUDDEN REFREEZING ON PAVEMENT. * WINDS: NORTHEAST 20 TO 30 MPH GUSTING TO 50 MPH NEAR THE MOUTH OF BADROCK CANYON THIS EVENING THROUGH MIDDAY MONDAY. GUSTS TO 40 MPH WILL SPREAD INTO THE FLATHEAD AND MISSION VALLEYS EARLY MONDAY MORNING. * WIND CHILL: ZERO TO 10 DEGREES TONIGHT THROUGH MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ002-101300- /O.CON.KMSO.WS.W.0016.000000T0000Z-141110T2200Z/ WEST GLACIER REGION- 900 PM MST SUN NOV 9 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. HAZARDOUS DRIVING CONDITIONS WILL OCCUR THROUGH MONDAY AFTERNOON. BELOW ZERO WIND CHILL WILL DEVELOP BY MONDAY MORNING. * SNOW ACCUMULATIONS: 6 TO 10 INCHES OVER MARIAS PASS INCLUDING ESSEX. 2 TO 4 INCHES FOR VALLEY LOCATIONS. * WINDS: EAST 20 TO 30 MPH GUSTING TO 40 MPH OVER MARIAS PASS THIS AFTERNOON THROUGH MONDAY. * WIND CHILL: 10 BELOW ZERO TO ZERO DEGREES LATE TONIGHT THROUGH MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ007-043-101300- /O.CON.KMSO.WS.W.0016.000000T0000Z-141111T0100Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 900 PM MST SUN NOV 9 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST MONDAY. * IMPACTS/TIMING: THE MOST SIGNIFICANT WINTER WEATHER IMPACTS WILL BE FOCUSED OVER AREA MOUNTAIN PASSES...THE SEELEY/SWAN VALLEY...AND OVANDO/AVON. SNOW AND BLOWING SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. HAZARDOUS DRIVING CONDITIONS WILL OCCUR TONIGHT THROUGH MONDAY AFTERNOON DUE TO ICY ROADWAYS. BELOW ZERO WIND CHILL TO DEVELOP BY MONDAY EVENING. * SNOW ACCUMULATIONS: 4 TO 8 INCHES OVER MOUNTAIN PASSES. 3 TO 5 INCHES FOR OVANDO...AVON...SEELEY/SWAN VALLEY. 1 TO 3 INCHES FOR BUTTE AND GEORGETOWN LAKE. * WINDS: EAST 20 TO 30 MPH GUSTING TO 40 MPH SUNDAY NIGHT THROUGH MONDAY. * WIND CHILL: 10 BELOW ZERO TO ZERO DEGREES MONDAY NIGHT. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...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... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ005-101300- /O.CON.KMSO.WS.W.0016.141110T0700Z-141110T2200Z/ MISSOULA/BITTERROOT VALLEYS- 900 PM MST SUN NOV 9 2014 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MST MONDAY. * IMPACTS/TIMING: THE MOST SIGNIFICANT WINTER WEATHER IMPACTS WILL BE FOCUSED FROM THE NORTHERN BITTERROOT THROUGH MISSOULA VALLEY FROM AROUND MIDNIGHT TO EARLY AFTERNOON MONDAY. RAIN WILL QUICKLY TURN TO SNOW TONIGHT WITH SNOW AND BLOWING SNOW TO SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. A FLASH FREEZE OF MELTED SNOW ON ROADWAYS FROM HELLGATE CANYON WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS AROUND THE NORTHERN BITTERROOT AND MISSOULA VALLEYS THROUGH MIDDAY MONDAY. * SNOW ACCUMULATIONS: 1 TO 3 INCHES OF WET SNOW WITH SUDDEN REFREEZING ON PAVEMENT. * WINDS: EAST 20 TO 30 MPH WITH GUSTS TO 40 MPH NEAR THE MOUTH OF HELLGATE CANYON TONIGHT THROUGH MONDAY EARLY AFTERNOON. * WIND CHILL: ZERO TO 10 DEGREES MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-004-101300- /O.CON.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 900 PM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST MONDAY. * IMPACTS/TIMING: THE MOST SIGNIFICANT WINTER WEATHER IMPACTS WILL BE FOCUSED ON THE HIGHWAY 93 CORRIDOR NORTH OF WHITEFISH AND HIGHWAY 2 CORRIDOR LIBBY EASTWARD THROUGH MONDAY AFTERNOON. INITIALLY WET ROADS WILL BECOME SNOW AND ICE COVERED TONIGHT. SLICK ROADS COMBINED WITH OCCASIONAL LOW VISIBILITY IN BLOWING SNOW WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 1 TO 3 INCHES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...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 FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MTZ006-101300- /O.CON.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 900 PM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THROUGH MONDAY AFTERNOON. * SNOW ACCUMULATIONS: 3 TO 6 INCHES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IDZ005-006-101300- /O.CON.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 900 PM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST MONDAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 5 PM PST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THROUGH MONDAY AFTERNOON. * SNOW ACCUMULATIONS: 3 TO 6 INCHES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY 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. && $$ IDZ009-010-101300- /O.CON.KMSO.WW.Y.0060.141110T0700Z-141111T0100Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 900 PM MST SUN NOV 9 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST MONDAY ABOVE 5000 FEET... A WINTER WEATHER ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST MONDAY. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THROUGH MONDAY AFTERNOON. * SNOW ACCUMULATIONS: 2 TO 4 INCHES. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
217 WWUS45 KMSO 101114 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 414 AM MST MON NOV 10 2014 ...SIGNIFICANT WINTER WEATHER IMPACTS FOR NORTHERN ROCKIES THROUGH TODAY... MTZ003-101900- /O.CON.KMSO.WS.W.0016.000000T0000Z-141110T1900Z/ FLATHEAD/MISSION VALLEYS- 414 AM MST MON NOV 10 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * IMPACTS/TIMING: A COMBINATION OF ICE AND SNOW ON ROADWAYS WILL CREATE POTENTIALLY HAZARDOUS DRIVING CONDITIONS THIS MORNING. SNOW HAS ENDED FOR THE KALISPELL AREA BUT MAY LINGER ACROSS THE SOUTHERN MISSION VALLEY THROUGH LATE THIS MORNING. * ADDITIONAL SNOW ACCUMULATIONS: LESS THAN ONE INCH. * WINDS: NORTHEAST 10 TO 20 MPH GUSTING TO 35 MPH NEAR THE MOUTH OF BADROCK CANYON. * WIND CHILL: ZERO TO 10 DEGREES ABOVE ZERO. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ002-101900- /O.CON.KMSO.WS.W.0016.000000T0000Z-141110T2200Z/ WEST GLACIER REGION- 414 AM MST MON NOV 10 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS AFTERNOON. * IMPACTS/TIMING: A COMBINATION OF ICE AND SNOW ON ROADWAYS WILL CREATE POTENTIALLY HAZARDOUS DRIVING CONDITIONS THIS MORNING. ANY LIGHT SNOW WILL END BY LATE THIS MORNING. * ADDITIONAL SNOW ACCUMULATIONS: LESS THAN 1 INCH. * WINDS: EAST 10 TO 20 MPH GUSTING TO 30 MPH OVER MARIAS PASS. * WIND CHILL: 10 BELOW ZERO TO ZERO DEGREES THIS MORNING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ007-043-101900- /O.CON.KMSO.WS.W.0016.000000T0000Z-141111T0100Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 414 AM MST MON NOV 10 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * IMPACTS/TIMING: A COMBINATION OF ICE AND SNOW ON ROADWAYS WILL CREATE POTENTIALLY HAZARDOUS DRIVING CONDITIONS THIS MORNING. THERE WILL BE A FEW AREAS THAT SEE BLOWING SNOW THAT WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES. BELOW ZERO WIND CHILLS ARE EXPECTED THIS MORNING FROM HELMVILLE SOUTH TO BUTTE. * ADDITIONAL SNOW ACCUMULATIONS: 1 TO 2 INCHES. * WINDS: EAST 10 TO 20 MPH GUSTING TO 30 MPH. * WIND CHILL: 10 BELOW ZERO TO ZERO DEGREES. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...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... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ005-101900- /O.CON.KMSO.WS.W.0016.000000T0000Z-141110T2200Z/ MISSOULA/BITTERROOT VALLEYS- 414 AM MST MON NOV 10 2014 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS AFTERNOON. * IMPACTS/TIMING: A COMBINATION OF ICE AND SNOW ON ROADWAYS WILL CREATE POTENTIALLY HAZARDOUS DRIVING CONDITIONS THIS MORNING. SNOW WILL BEGIN TO TAPER OFF BY LATE THIS MORNING. * ADDITIONAL SNOW ACCUMULATIONS: LESS THAN ONE INCH IN MISSOULA AND 1 TO 2 INCHES IN THE BITTERROOT VALLEY. * WINDS: EAST 15 TO 25 MPH WITH GUSTS TO 35 MPH NEAR THE MOUTH OF HELLGATE CANYON. * WIND CHILL: ZERO TO 10 DEGREES THIS MORNING. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-004-101900- /O.CON.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 414 AM MST MON NOV 10 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * IMPACTS/TIMING: A COMBINATION OF ICE AND SNOW ON ROADWAYS WILL CREATE POTENTIALLY HAZARDOUS DRIVING CONDITIONS THIS MORNING. LIGHT SNOW WILL END BY LATE THIS MORNING. * ADDITIONAL SNOW ACCUMULATIONS: LESS THAN ONE INCH. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...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 FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MTZ006-101900- /O.CON.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 414 AM MST MON NOV 10 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THROUGH THIS AFTERNOON. SNOW WILL BEGIN TO TAPER OFF BY EARLY THIS AFTERNOON. * SNOW ACCUMULATIONS: 1 TO 2 INCHES. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IDZ005-006-101900- /O.CON.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 414 AM MST MON NOV 10 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THROUGH THIS AFTERNOON. LIGHT SNOW WILL CONTINUE INTO THIS AFTERNOON. * SNOW ACCUMULATIONS: 1 TO 2 INCHES. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY 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. && $$ IDZ009-010-101900- /O.CON.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 414 AM MST MON NOV 10 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING ABOVE 5000 FEET... A WINTER WEATHER ADVISORY ABOVE 5000 FEET REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES AND CREATE HAZARDOUS ICY ROAD SURFACES THROUGH THIS AFTERNOON. PERIODS OF LIGHT SNOW ARE POSSIBLE THROUGHOUT THE DAY. * SNOW ACCUMULATIONS: 1 TO 2 INCHES. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
843 WWUS45 KMSO 101804 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1104 AM MST MON NOV 10 2014 MTZ007-043-101915- /O.CAN.KMSO.WS.W.0016.000000T0000Z-141111T0100Z/ BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 1104 AM MST MON NOV 10 2014 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. THE MAIN IMPACTS FROM THE ARCTIC FRONT HAVE DIMINISHED...HOWEVER, LIGHT SNOW IS POSSIBLE THROUGHOUT THE DAY, AND COULD KEEP CONDITIONS SLICK ON ROADWAYS. $$ MTZ002-005-101915- /O.CAN.KMSO.WS.W.0016.000000T0000Z-141110T2200Z/ WEST GLACIER REGION-MISSOULA/BITTERROOT VALLEYS- 1104 AM MST MON NOV 10 2014 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. THE MAIN IMPACTS FROM THE ARCTIC FRONT HAVE DIMINISHED...HOWEVER, LIGHT SNOW IS POSSIBLE THROUGHOUT THE DAY, AND COULD KEEP CONDITIONS SLICK ON ROADWAYS. $$ MTZ003-101915- /O.CAN.KMSO.WS.W.0016.000000T0000Z-141110T1900Z/ FLATHEAD/MISSION VALLEYS- 1104 AM MST MON NOV 10 2014 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. THE MAIN IMPACTS FROM THE ARCTIC FRONT HAVE DIMINISHED...HOWEVER, LIGHT SNOW IS POSSIBLE THROUGHOUT THE DAY, AND COULD KEEP CONDITIONS SLICK ON ROADWAYS. $$ IDZ005-006-009-010-MTZ001-004-006-101915- /O.CAN.KMSO.WW.Y.0060.000000T0000Z-141111T0100Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 1104 AM MST MON NOV 10 2014 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. THE MAIN IMPACTS FROM THE ARCTIC FRONT HAVE DIMINISHED...HOWEVER, LIGHT SNOW IS POSSIBLE THROUGHOUT THE DAY, AND COULD KEEP CONDITIONS SLICK ON ROADWAYS. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Missoula, MT wrote its last area forecast discussion before this winter storm warning went out at Nov 9, 4:12 AM MST, 6 hours 40 minutes earlier.
Area forecast discussion, Nov 9, 4:12 AM MST, 6 hours 40 minutes before
Area Forecast Discussion
National Weather Service Missoula MT
412 AM MST SUN NOV 9 2014
...ARCTIC COLD FRONT TO BRING SNOW AND VERY COLD TEMPERATURES
STARTING THIS EVENING...
.DISCUSSION...A very cold Canadian air mass is expected to cross
over the Continental Divide by this evening. Before this happens,
a westerly plume of moisture will move through today bringing
valley rain showers and snow to elevations above 6,000 feet MSL.
As a trough dives out of British Columbia later this afternoon, it
will help to draw the colder air out of Canada southward.
The first locations to be impacted will be from Polebridge to
Marias Pass. There could be a period of heavy snow, wind causing
blowing and drifting snow at Marias Pass especially between 6 and
10 pm MST as the cold front pushes west. There is still
uncertainty how much rain will fall before temperatures crash and
this could exacerbate conditions on US-2 by developing a sheet of
ice underneath the snow that falls.
As the cold front plows southward tonight, expect strong gusty
winds between 35-45 mph, snow and wind chills in the single digits
above to negative teens below zero. This will create hazardous
driving conditions from northwest Montana towards Missoula and
also across southwest Montana. The strong gusty winds will
continue after the frontal passage through mountain gaps such as
Badrock Canyon through Monday morning. Several inches of snow are
possible in these areas while a few valley locations may only
receive a dusting up to an inch.
As the frontal boundary slows down its southern trek, snow will
continue especially across the Bitterroot Valley and southwest
Montana Monday morning. This will create slick driving conditions
and limited visibility due to blowing and falling snow. There will
be a lull in the weather during the day Monday before the next
shot of cold air moves into western Montana.
A reinforcing shot of arctic air Monday night will cause winds to
increase once again with typical mountain gaps gusting close to 50
mph at times and wind chills will be even colder approaching 20
below zero in some cases. Snow will again redevelop especially
across west-central Montana and also into Lemhi County, Idaho.
The arctic cold front will finally move southwest across our
central Idaho locations and this could provide anywhere from a
dusting up to 2 inches of snow in places causing slick roads at
times.
There is a chance for Flathead Lake effect snow to develop
starting Tuesday and continuing through the end of the week.
Initially the west side of the lake may see snow which could be
enough to cause slick road conditions. This potential will have
to be monitored by successive shifts.
With a strong arctic high pressure sitting over central Montana
Wednesday morning, many places across southwest Montana will be
able to cool down into the negative teens below zero. In fact
Butte could see 20 below which could break the previous record of
19 below for the day.
Milder and relatively moist air will return across central Idaho
on Thursday and western Montana Thursday night into Friday. This
would bring another potential for snow for those areas.
Colder than normal conditions are expected to continue through
next weekend. There will also be a chance of snow off and on
during this period.
&&
.AVIATION...A plume of moist air moving into the northern Rockies
will cause ceilings to lower with rain showers today mainly
affecting KMSO and KGPI. Tonight an arctic front will arrive at
KGPI around 03Z causing the rain to turn to snow. Strong east
winds with snow will cause low ceilings, low visibility, and wet
surfaces to flash freeze. The front will impact KMSO around 06Z
causing hazardous conditions there as well. Terminals KMSO and
KGPI will be hardest hit by the front and KBTM later tonight.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WATCH from this evening through Monday afternoon
Butte/Blackfoot Region.
WINTER STORM WATCH from this evening through Monday afternoon
Missoula/Bitterroot Valleys.
WINTER STORM WATCH from this evening through Monday afternoon
Flathead/Mission Valleys.
WINTER STORM WATCH from this evening through Monday afternoon
Potomac/Seeley Lake Region...West Glacier Region.
ID...None.
&&The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 10:52 AM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lincoln, Mineral, Missoula, Ravalli and 1 more | 24 hr |
Nearby
Winter Storm Warnings in Montana, 2014Every winter storm warning in 2014
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.