Alert archive / Montana / Winter Storm Warnings in 2011

Winter Storm Warning 21, NWS Missoula, MT

November 29, 2011Clearwater County, Idaho County, Lemhi County, Idaho; 8 counties in Montana

NWS Missoula, MT issued this winter storm warning at Nov 29, 2011, 3:38 AM PST for Clearwater County, Idaho County, Lemhi County, Idaho; 8 counties in Montana. It took effect at Nov 29, 2011, 11:00 PM PST. It was in force for 16 hr. 3 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 29, 2011, 3:38 AM PST (11:38 UTC)
In effect from
Nov 29, 2011, 11:00 PM PST
Expired
Nov 30, 2011, 3:18 PM PST
In force
16 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID, Lemhi County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 39 km from the middle of the area, began a volume at 11:44 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

TimeReportWhereRemark
Nov 30, 5:00 AM PSTSNOW 3Lolo Pass, MTLOLO PASS SNOTEL
Nov 30, 3:00 PM PSTSNOW 2Ne Essex, MT
Nov 30, 3:00 PM PSTSNOW 64 N Georgetown, MT

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 00:00Z, 11.6 hours before the alert went out and 186 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.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 00:00Z on 2011-11-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 2011-11-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
5 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

859 
WWUS45 KMSO 291138
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
438 AM MST TUE NOV 29 2011

MTZ002-292200-
/O.UPG.KMSO.WS.A.0010.111130T0700Z-111201T0100Z/
/O.NEW.KMSO.WS.W.0021.111130T0700Z-111201T0000Z/
WEST GLACIER REGION-
438 AM MST TUE NOV 29 2011

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 5 PM
MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM MIDNIGHT TONIGHT TO 5 PM MST WEDNESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA
  TONIGHT...BECOMING MODERATE TO OCCASIONALLY HEAVY BY EARLY
  WEDNESDAY MORNING. IN ADDITION...BLOWING AND DRIFTING OF SNOW IN THE
  HIGHER TERRAIN AND ON MARIAS PASS WILL CREATE PERIODS OF LOW
  VISIBILITY. TRAVEL WILL BECOME HAZARDOUS DURING THIS TIME FRAME.

* SNOW ACCUMULATIONS: EIGHT TO TEN INCHES OF SNOW ARE EXPECTED IN
  THE MOUNTAINS AND OVER MARIAS PASS WHILE FIVE TO EIGHT INCHES ARE
  EXPECTED FOR THE LOWER ELEVATIONS.

* WINDS: BREEZY EAST WINDS OF TEN TO TWENTY MILES PER HOUR WITH 
  OCCASIONALLY STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER 
  TERRAIN AND 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 AND BLOWING
SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.
THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ043-292200-
/O.UPG.KMSO.WS.A.0010.111130T0700Z-111201T0100Z/
/O.NEW.KMSO.WS.W.0021.111130T0700Z-111201T0000Z/
POTOMAC/SEELEY LAKE REGION-
438 AM MST TUE NOV 29 2011

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 5 PM
MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 5 PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA
  TONIGHT...BECOMING MODERATE TO OCCASIONALLY HEAVY BY EARLY
  WEDNESDAY MORNING...ESPECIALLY ON THE HIGHWAY 83 CORRIDOR
  BETWEEN SEELEY LAKE AND CONDON.

* SNOW ACCUMULATIONS: EIGHT TO TEN INCHES OF SNOW ARE EXPECTED
  OVER THE MOUNTAINS WHILE FIVE TO EIGHT INCHES ARE EXPECTED FOR
  THE LOWER ELEVATIONS.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO
  GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. 

&&

$$

MTZ006-292200-
/O.UPG.KMSO.WS.A.0010.111130T0700Z-111201T0100Z/
/O.NEW.KMSO.WS.W.0021.111130T0900Z-111201T0000Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
438 AM MST TUE NOV 29 2011

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 5 PM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 2 AM TO 5
PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA LATE
  TONIGHT...BECOMING MODERATE TO OCCASIONALLY HEAVY BY WEDNESDAY
  MORNING. SIGNIFICANT TRAVEL IMPACTS ARE EXPECTED OVER LOLO AND
  LOST TRAIL PASSES.

* SNOW ACCUMULATIONS: SEVEN TO TWELVE INCHES OF SNOW ARE EXPECTED
  OVER LOLO AND LOST TRAIL PASS AS WELL AS THE ASSOCIATED HIGHER
  TERRAIN. LOWER ELEVATION LOCATIONS CAN EXPECT THREE TO SIX
  INCHES OF ACCUMULATING SNOWFALL.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL 
  PASS...LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. 

&&

$$

IDZ005-006-292200-
/O.UPG.KMSO.WS.A.0010.111130T0700Z-111201T0100Z/
/O.NEW.KMSO.WS.W.0021.111130T0900Z-111201T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
338 AM PST TUE NOV 29 2011

...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 4 PM PST WEDNESDAY
ABOVE 3000 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW ABOVE 3000 FEET...WHICH
IS IN EFFECT FROM 1 AM TO 4 PM PST WEDNESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA EARLY
  WEDNESDAY MORNING...BECOMING MODERATE TO HEAVY THROUGHOUT THE
  DAY. SIGNIFICANT TRAVEL IMPACTS ARE EXPECTED OVER LOLO PASS AS
  WELL AS ON MANY VALLEY ROADWAYS.

* SNOW ACCUMULATIONS: EIGHT TO TWELVE INCHES OF SNOW ARE EXPECTED
  OVER THE HIGHER TERRAIN AND LOLO PASS WITH SIX TO EIGHT INCHES
  OF NEW SNOW POSSIBLE DOWN TO 3000 FEET THROUGH WEDNESDAY
  AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. 

&&

$$

MTZ004-292200-
/O.UPG.KMSO.WS.A.0010.111130T0700Z-111201T0100Z/
/O.NEW.KMSO.WS.W.0021.111130T0700Z-111130T1900Z/
LOWER CLARK FORK REGION-
438 AM MST TUE NOV 29 2011

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
MST WEDNESDAY ABOVE 4000 FEET FOR LOOKOUT PASS AND EVARO HILL...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW ABOVE 4000
FEET...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA LATE
  TONIGHT...BECOMING MODERATE TO OCCASIONALLY HEAVY BY WEDNESDAY
  MORNING. SIGNIFICANT TRAVEL IMPACTS ARE EXPECTED OVER LOOKOUT
  PASS AND EVARO HILL.

* SNOW ACCUMULATIONS: SEVEN TO TWELVE INCHES OF SNOW ARE EXPECTED
  OVER LOOKOUT PASS AND EVARO HILL...AS WELL AS THE ASSOCIATED
  HIGHER TERRAIN. ELEVATIONS BELOW 4000 FEET CAN EXPECT ONE TO
  THREE INCHES OF SNOW ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING
SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.
THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ010-292200-
/O.UPG.KMSO.WS.A.0010.111130T0700Z-111201T0100Z/
/O.NEW.KMSO.WS.W.0021.111130T1200Z-111201T0000Z/
EASTERN LEMHI COUNTY-
438 AM MST TUE NOV 29 2011

...WINTER STORM WARNING IN EFFECT FROM 5 AM TO 5 PM MST WEDNESDAY
FOR LOST TRAIL PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW FOR LOST TRAIL PASS...
WHICH IS IN EFFECT FROM 5 AM TO 5 PM MST WEDNESDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: MODERATE TO HEAVY ACCUMULATING SNOW IS EXPECTED
  ON HIGHWAY 93 LEADING UP TO AND OVER LOST TRAIL PASS. THE SNOW
  WILL BEGIN FALLING EARLY WEDNESDAY MORNING AND PERSIST INTO THE
  EVENING HOURS. GUSTY WINDS WILL CREATE PERIODS OF BLOWING AND
  DRIFTING SNOW. SIGNIFICANT TRAVEL IMPACTS OVER THE PASS ARE
  EXPECTED.

* SNOW ACCUMULATIONS: EIGHT TO TEN INCHES OF SNOW ARE EXPECTED 
  THROUGHOUT THE DAY WEDNESDAY. 

* WINDS: BREEZY NORTHWEST WINDS OF TEN TO TWENTY MILES PER HOUR
  WITH OCCASIONALLY STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER
  TERRAIN AND LOST TRAIL PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING
SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.
THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ007-292200-
/O.NEW.KMSO.WW.Y.0070.111130T0900Z-111130T2200Z/
OROFINO/GRANGEVILLE REGION-
338 AM PST TUE NOV 29 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 2 PM PST
WEDNESDAY ABOVE 3000 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW ABOVE 3000 FEET...WHICH IS IN EFFECT
FROM 1 AM TO 2 PM PST WEDNESDAY.

* IMPACTS/TIMING: PERIODS OF MODERATE SNOW WILL DEVELOP LATE
  TONIGHT AND PERSIST INTO WEDNESDAY. TRAVEL MAY BECOME HAZARDOUS
  OVER THE CAMAS PRAIRIE AND ALONG HIGHWAY 11 OVER GREER GRADE.

* SNOW ACCUMULATIONS: FOUR TO SIX INCHES BY WEDNESDAY AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND 
  VICINITY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ008-292200-
/O.NEW.KMSO.WW.Y.0070.111130T0900Z-111130T2200Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
338 AM PST TUE NOV 29 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 2 PM PST
WEDNESDAY FOR WHITE BIRD GRADE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW FOR WHITE BIRD GRADE...WHICH IS IN
EFFECT FROM 1 AM TO 2 PM PST WEDNESDAY.

* IMPACTS/TIMING: PERIODS OF MODERATE SNOW WILL DEVELOP LATE
  TONIGHT AND PERSIST INTO WEDNESDAY. TRAVEL MAY BECOME HAZARDOUS
  OVER THE WHITE BIRD GRADE ON HIGHWAY 95.

* SNOW ACCUMULATIONS: FOUR TO SIX INCHES BY WEDNESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
5 follow-up statements
823 
WWUS45 KMSO 292141
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
241 PM MST TUE NOV 29 2011

MTZ002-300600-
/O.CON.KMSO.WS.W.0021.111130T0700Z-111201T0000Z/
WEST GLACIER REGION-
241 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 5 PM MST WEDNESDAY...

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA TONIGHT... 
  BECOMING MODERATE TO OCCASIONALLY HEAVY BY EARLY WEDNESDAY 
  MORNING. IN ADDITION...BLOWING AND DRIFTING OF SNOW IN THE 
  HIGHER TERRAIN AND ON MARIAS PASS WILL CREATE PERIODS OF LOW 
  VISIBILITY. TRAVEL WILL BECOME HAZARDOUS DURING THIS TIME 
  FRAME. 

* SNOW ACCUMULATIONS: EIGHT TO TEN INCHES OF SNOW ARE EXPECTED 
  IN THE MOUNTAINS AND OVER MARIAS PASS WHILE FIVE TO EIGHT 
  INCHES ARE EXPECTED FOR THE LOWER ELEVATIONS. 

* WINDS: BREEZY EAST WINDS OF TEN TO TWENTY MILES PER HOUR WITH 
  OCCASIONALLY STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER 
  TERRAIN AND 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 AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ043-300600-
/O.CON.KMSO.WS.W.0021.111130T0700Z-111201T0000Z/
POTOMAC/SEELEY LAKE REGION-
241 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 5 PM MST WEDNESDAY...

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA TONIGHT... 
  BECOMING MODERATE TO OCCASIONALLY HEAVY BY EARLY WEDNESDAY 
  MORNING...ESPECIALLY ON THE HIGHWAY 83 CORRIDOR BETWEEN SEELEY 
  LAKE AND CONDON. 

* SNOW ACCUMULATIONS: EIGHT TO TEN INCHES OF SNOW ARE EXPECTED 
  OVER THE MOUNTAINS WHILE FIVE TO EIGHT INCHES ARE EXPECTED FOR 
  THE LOWER ELEVATIONS. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
  HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO
  BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

MTZ006-300600-
/O.CON.KMSO.WS.W.0021.111130T0900Z-111201T0000Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
241 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA LATE
  TONIGHT...BECOMING MODERATE TO OCCASIONALLY HEAVY BY WEDNESDAY
  MORNING AND CONTINUING THROUGHOUT THE DAY. SIGNIFICANT TRAVEL
  IMPACTS ARE EXPECTED OVER LOLO AND LOST TRAIL PASSES.

* SNOW ACCUMULATIONS: EIGHT TO ELEVEN INCHES OF SNOW ARE EXPECTED OVER
  LOLO AND LOST TRAIL PASS AS WELL AS THE ASSOCIATED HIGHER
  TERRAIN OF THE BITTERROOT MOUNTAINS. LOWER ELEVATIONS AND THE
  SAPPHIRE MOUNTAINS CAN EXPECT THREE TO SIX INCHES OF
  ACCUMULATING SNOWFALL.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL 
  PASS...LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

IDZ005-006-300600-
/O.CON.KMSO.WS.W.0021.111130T0900Z-111201T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
141 PM PST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 4 PM PST
WEDNESDAY ABOVE 3000 FEET...

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA EARLY 
  WEDNESDAY MORNING...BECOMING MODERATE TO HEAVY THROUGHOUT THE 
  DAY. SIGNIFICANT TRAVEL IMPACTS ARE EXPECTED OVER LOLO PASS AS 
  WELL AS ON SOME VALLEY ROADWAYS. 

* SNOW ACCUMULATIONS: EIGHT TO ELEVEN INCHES OF SNOW ARE 
  EXPECTED OVER THE HIGHER TERRAIN AND LOLO PASS WITH SIX TO 
  EIGHT INCHES OF NEW SNOW POSSIBLE DOWN TO 3000 FEET THROUGH 
  WEDNESDAY AFTERNOON. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

MTZ004-300600-
/O.CON.KMSO.WS.W.0021.111130T0700Z-111130T1900Z/
LOWER CLARK FORK REGION-
241 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON MST WEDNESDAY ABOVE 4000 FEET...

* IMPACTS/TIMING: SNOW WILL BEGIN TO AFFECT THE AREA LATE 
  TONIGHT...BECOMING MODERATE TO OCCASIONALLY HEAVY BY WEDNESDAY 
  MORNING. SIGNIFICANT TRAVEL IMPACTS ARE EXPECTED OVER LOOKOUT 
  PASS AND EVARO HILL. 

* SNOW ACCUMULATIONS: SEVEN TO TEN INCHES OF SNOW ARE EXPECTED
  OVER LOOKOUT PASS AND EVARO HILL...AS WELL AS THE ASSOCIATED
  HIGHER TERRAIN. ELEVATIONS BELOW 4000 FEET CAN EXPECT ONE TO
  THREE INCHES OF SNOW ACCUMULATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ010-300600-
/O.CON.KMSO.WS.W.0021.111130T1200Z-111201T0000Z/
EASTERN LEMHI COUNTY-
241 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM MST
WEDNESDAY FOR LOST TRAIL PASS...

* IMPACTS/TIMING: MODERATE TO HEAVY ACCUMULATING SNOW IS 
  EXPECTED ON HIGHWAY 93 LEADING UP TO AND OVER LOST TRAIL PASS. 
  THE SNOW WILL BEGIN FALLING EARLY WEDNESDAY MORNING AND 
  PERSIST INTO THE EVENING HOURS. GUSTY WINDS WILL CREATE 
  PERIODS OF BLOWING AND DRIFTING SNOW. SIGNIFICANT TRAVEL 
  IMPACTS OVER THE PASS ARE EXPECTED. 

* SNOW ACCUMULATIONS: SEVEN TO TEN INCHES OF SNOW ARE EXPECTED 
  THROUGHOUT THE DAY WEDNESDAY. 

* WINDS: BREEZY NORTHWEST WINDS OF TEN TO TWENTY MILES PER HOUR 
  WITH OCCASIONALLY STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER 
  TERRAIN AND LOST TRAIL PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ001-003-300600-
/O.EXB.KMSO.WW.Y.0070.111130T0500Z-111130T2000Z/
KOOTENAI/CABINET REGION-FLATHEAD/MISSION VALLEYS-
241 PM MST TUE NOV 29 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
1 PM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS
EVENING TO 1 PM MST WEDNESDAY.

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN TO FALL ACROSS NORTHWEST
  MONTANA LATE TONIGHT...CONTINUING THROUGH THE MORNING COMMUTE ON
  WEDNESDAY. 

* SNOW ACCUMULATIONS: TWO TO FOUR INCHES OF SNOW ARE EXPECTED WITH
  LOCAL AREAS RECEIVING UP TO 5 INCHES. THE HIGHER TERRAIN NEAR THE
  IDAHO BORDER CAN EXPECTED UP TO 7 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MTZ005-007-300600-
/O.EXB.KMSO.WW.Y.0070.111130T2000Z-111201T0300Z/
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
241 PM MST TUE NOV 29 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM TO 8 PM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 1 PM TO 8 PM
MST WEDNESDAY.

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN LATE WEDNESDAY MORNING...
  INCREASING IN COVERAGE AND INTENSITY THROUGHOUT THE AFTERNOON
  AFFECTING THE EVENING COMMUTE.

* SNOW ACCUMULATIONS: TWO TO THREE INCHES OF SNOW ARE EXPECTED IN
  THE LOWER VALLEYS. THE HIGHER TERRAIN OF THE BUTTE/BLACKFOOT
  REGION...INCLUDING PHILIPSBURG AND GEORGETOWN LAKE CAN EXPECT
  FOUR TO SIX INCHES BY WEDNESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ007-300600-
/O.CON.KMSO.WW.Y.0070.111130T0900Z-111130T2200Z/
OROFINO/GRANGEVILLE REGION-
141 PM PST TUE NOV 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 2 PM
PST WEDNESDAY ABOVE 3000 FEET...

A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM
1 AM TO 2 PM PST WEDNESDAY. 

* IMPACTS/TIMING: PERIODS OF MODERATE SNOW WILL DEVELOP LATE 
  TONIGHT AND PERSIST INTO WEDNESDAY. TRAVEL MAY BECOME 
  HAZARDOUS OVER THE CAMAS PRAIRIE AND ALONG HIGHWAY 11 OVER 
  GREER GRADE. 

* SNOW ACCUMULATIONS: FOUR TO SIX INCHES BY WEDNESDAY AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND 
  VICINITY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ008-300600-
/O.CON.KMSO.WW.Y.0070.111130T0900Z-111130T2200Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
141 PM PST TUE NOV 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 2 PM
PST WEDNESDAY FOR WHITE BIRD GRADE...

A WINTER WEATHER ADVISORY FOR WHITE BIRD GRADE REMAINS IN EFFECT
FROM 1 AM TO 2 PM PST WEDNESDAY. 

* IMPACTS/TIMING: PERIODS OF LIGHT TO MODERATE SNOW WILL DEVELOP
  LATE TONIGHT AND PERSIST INTO WEDNESDAY. TRAVEL MAY BECOME
  HAZARDOUS OVER THE WHITE BIRD GRADE ON HIGHWAY 95.

* SNOW ACCUMULATIONS: FOUR TO SIX INCHES BY WEDNESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
864 
WWUS45 KMSO 300431
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
931 PM MST TUE NOV 29 2011

MTZ002-301245-
/O.CON.KMSO.WS.W.0021.111130T0700Z-111201T0000Z/
WEST GLACIER REGION-
931 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY. 

* SNOW ACCUMULATIONS: 6 TO 9 INCHES OF SNOW ARE EXPECTED IN THE
  MOUNTAINS AND OVER MARIAS PASS...WHILE 4 TO 6 INCHES ARE
  EXPECTED FOR THE LOWER ELEVATIONS BY LATE WEDNESDAY AFTERNOON.

* WINDS: BREEZY EAST WINDS OF 10 TO 20 MPH WITH OCCASIONALLY
  STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER TERRAIN AND 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 AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ043-301245-
/O.CON.KMSO.WS.W.0021.111130T0700Z-111201T0000Z/
POTOMAC/SEELEY LAKE REGION-
931 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY. 

* SNOW ACCUMULATIONS: 6 TO 9 INCHES OF SNOW ARE EXPECTED OVER THE
  MOUNTAINS...WHILE 4 TO 6 INCHES ARE EXPECTED FOR THE LOWER
  ELEVATIONS BY LATE WEDNESDAY AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
   HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO 
  BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

MTZ006-301245-
/O.CON.KMSO.WS.W.0021.111130T0900Z-111201T0000Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
931 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
WEDNESDAY. 

* SNOW ACCUMULATIONS: 6 TO 8 INCHES OF SNOW ARE EXPECTED OVER LOLO
  AND LOST TRAIL PASS AS WELL AS THE ASSOCIATED HIGHER TERRAIN OF
  THE BITTERROOT MOUNTAINS. LOWER ELEVATIONS AND THE SAPPHIRE
  MOUNTAINS CAN EXPECT 2 TO 5 INCHES OF ACCUMULATING SNOWFALL BY
  LATE WEDNESDAY AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL
  PASS...LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

IDZ005-006-301245-
/O.CON.KMSO.WS.W.0021.111130T0900Z-111201T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
831 PM PST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 4 PM PST
WEDNESDAY ABOVE 3000 FEET...

A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT FROM
1 AM TO 4 PM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: 6 TO 10 INCHES OF SNOW ARE EXPECTED OVER THE
  HIGHER TERRAIN AND LOLO PASS...WITH 4 TO 6 INCHES OF NEW SNOW
  POSSIBLE DOWN TO 3000 FEET BY LATE WEDNESDAY AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO
  LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

MTZ004-301245-
/O.CON.KMSO.WS.W.0021.111130T0700Z-111130T1900Z/
LOWER CLARK FORK REGION-
931 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST
WEDNESDAY ABOVE 4000 FEET FOR...EVARO HILL...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
NOON MST WEDNESDAY. 

* SNOW ACCUMULATIONS: 6 TO 8 INCHES OF SNOW ARE EXPECTED OVER
  LOOKOUT PASS AND EVARO HILL...AS WELL AS THE ASSOCIATED HIGHER
  TERRAIN. ELEVATIONS BELOW 4000 FEET CAN EXPECT 1 TO 3 INCHES OF
  SNOW ACCUMULATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ010-301245-
/O.CON.KMSO.WS.W.0021.111130T1200Z-111201T0000Z/
EASTERN LEMHI COUNTY-
931 PM MST TUE NOV 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM MST
WEDNESDAY FOR LOST TRAIL PASS...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT FROM
5 AM TO 5 PM MST WEDNESDAY. 

* SNOW ACCUMULATIONS: 6 TO 9 INCHES OF SNOW ARE EXPECTED BY LATE
  WEDNESDAY AFTERNOON.

* WINDS: BREEZY NORTHWEST WINDS 10 TO 20 MPH WITH OCCASIONALLY
  STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER TERRAIN AND LOST
  TRAIL PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ001-003-301245-
/O.CON.KMSO.WW.Y.0070.111130T0500Z-111130T2000Z/
KOOTENAI/CABINET REGION-FLATHEAD/MISSION VALLEYS-
931 PM MST TUE NOV 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM MST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM MST
WEDNESDAY. 

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN TO FALL ACROSS NORTHWEST 
  MONTANA LATE TONIGHT...CONTINUING THROUGH THE MORNING COMMUTE 
  ON WEDNESDAY. 

* SNOW ACCUMULATIONS: 1 TO 4 INCHES OF SNOW ARE EXPECTED WITH
  LOCAL AREAS RECEIVING UP TO 5 INCHES BY EARLY WEDNESDAY
  AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MTZ005-007-301245-
/O.CON.KMSO.WW.Y.0070.111130T2000Z-111201T0300Z/
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
931 PM MST TUE NOV 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM
MST WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM MST
WEDNESDAY. 

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN LATE WEDNESDAY MORNING...
   INCREASING IN COVERAGE AND INTENSITY THROUGHOUT THE AFTERNOON 
  AFFECTING THE EVENING COMMUTE. 

* SNOW ACCUMULATIONS: 1 TO 3 INCHES OF SNOW ARE EXPECTED IN THE
  VALLEYS. THE HIGHER TERRAIN OF THE BUTTE/BLACKFOOT REGION...
  INCLUDING PHILIPSBURG AND GEORGETOWN LAKE CAN EXPECT 3 TO 6
  INCHES BY WEDNESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ007-301245-
/O.CON.KMSO.WW.Y.0070.111130T0900Z-111130T2200Z/
OROFINO/GRANGEVILLE REGION-
831 PM PST TUE NOV 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 2 PM
PST WEDNESDAY ABOVE 3000 FEET...

A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM
1 AM TO 2 PM PST WEDNESDAY. 

* IMPACTS/TIMING: PERIODS OF MODERATE SNOW WILL DEVELOP LATE 
  TONIGHT AND PERSIST INTO WEDNESDAY. TRAVEL MAY BECOME 
  HAZARDOUS OVER THE CAMAS PRAIRIE AND ALONG HIGHWAY 11 OVER 
  GREER GRADE. 

* SNOW ACCUMULATIONS: 4 TO 6 INCHES BY WEDNESDAY AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND 
  VICINITY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ008-301245-
/O.CON.KMSO.WW.Y.0070.111130T0900Z-111130T2200Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
831 PM PST TUE NOV 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 2 PM
PST WEDNESDAY FOR WHITE BIRD GRADE...

A WINTER WEATHER ADVISORY FOR WHITE BIRD GRADE REMAINS IN EFFECT
FROM 1 AM TO 2 PM PST WEDNESDAY. 

* IMPACTS/TIMING: PERIODS OF LIGHT TO MODERATE SNOW WILL DEVELOP 
  LATE TONIGHT AND PERSIST INTO WEDNESDAY. TRAVEL MAY BECOME 
  HAZARDOUS OVER THE WHITE BIRD GRADE ON HIGHWAY 95. 

* SNOW ACCUMULATIONS: 4 TO 6 INCHES BY WEDNESDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
351 
WWUS45 KMSO 301030
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
330 AM MST WED NOV 30 2011

MTZ004-301130-
/O.CAN.KMSO.WS.W.0021.000000T0000Z-111130T1900Z/
LOWER CLARK FORK REGION-
330 AM MST WED NOV 30 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
STORM WARNING. 

SNOW HAS DECREASED THIS MORNING OVER LOOKOUT PASS AND EVARO HILL.
LIGHT SNOW WILL CONTINUE THROUGH THE MORNING WITH ANOTHER 1 TO 3
INCHES POSSIBLE OVER THE HIGHER TERRAIN AND MOUNTAIN PASSES. HOWEVER...
SIGNIFICANT IMPACTS TO TRAVEL ARE NO LONGER EXPECTED.

$$

MTZ001-301130-
/O.CAN.KMSO.WW.Y.0070.000000T0000Z-111130T2000Z/
KOOTENAI/CABINET REGION-
330 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SNOW HAS TAPERED OFF THIS MORNING ACROSS NORTHWEST MONTANA AND IS
NO LONGER EXPECTED TO IMPACT TRAVEL ON AREA ROADS.

$$

IDZ010-301800-
/O.EXT.KMSO.WS.W.0021.111130T1030Z-111201T0000Z/
EASTERN LEMHI COUNTY-
330 AM MST WED NOV 30 2011

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON FOR LOST TRAIL PASS...

THE WINTER STORM WARNING FOR LOST TRAIL PASS IS NOW IN EFFECT
UNTIL 5 PM MST THIS AFTERNOON. 

* SNOW ACCUMULATIONS: 6 TO 9 INCHES OF SNOW ARE EXPECTED BY LATE
  THIS AFTERNOON.

* WINDS: BREEZY NORTHWEST WINDS 10 TO 20 MPH WITH OCCASIONALLY
  STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER TERRAIN AND LOST
  TRAIL PASS. THIS WILL CREATE PERIODS OF LOW VISIBILITY IN
  BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ002-301800-
/O.CON.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
WEST GLACIER REGION-
330 AM MST WED NOV 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* SNOW ACCUMULATIONS: 7 TO 10 INCHES OF SNOW ARE EXPECTED IN THE
  MOUNTAINS AND OVER MARIAS PASS...WHILE 3 TO 5 INCHES ARE
  EXPECTED FOR THE LOWER ELEVATIONS BY LATE THIS AFTERNOON.

* WINDS: BREEZY EAST WINDS OF 10 TO 20 MPH WITH OCCASIONALLY
  STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER TERRAIN AND MARIAS
  PASS. THIS WILL CAUSE PERIODS OF LOW VISIBILITY IN BLOWING SNOW.

* 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 AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ043-301800-
/O.CON.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
POTOMAC/SEELEY LAKE REGION-
330 AM MST WED NOV 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* SNOW ACCUMULATIONS: 6 TO 9 INCHES OF SNOW ARE EXPECTED IN THE
  MOUNTAINS...WHILE 4 TO 6 INCHES ARE EXPECTED FOR THE LOWER
  ELEVATIONS BY LATE THIS AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
  HIGHWAY 83 SEELEY LAKE TO CONDON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

MTZ006-301800-
/O.CON.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
330 AM MST WED NOV 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* SNOW ACCUMULATIONS: 7 TO 9 INCHES OF SNOW ARE EXPECTED OVER LOLO
  AND LOST TRAIL PASS AS WELL AS THE ASSOCIATED HIGHER TERRAIN OF
  THE BITTERROOT MOUNTAINS. LOWER ELEVATIONS AND THE SAPPHIRE
  MOUNTAINS CAN EXPECT 2 TO 5 INCHES OF ACCUMULATING SNOWFALL BY
  LATE THIS AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL 
  PASS...LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

IDZ005-006-301800-
/O.CON.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
230 AM PST WED NOV 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 3000 FEET...

A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL
4 PM PST THIS AFTERNOON. 

* SNOW ACCUMULATIONS: 6 TO 10 INCHES OF SNOW ARE EXPECTED OVER THE
  HIGHER TERRAIN AND LOLO PASS...WITH 3 TO 5 INCHES OF NEW SNOW
  POSSIBLE DOWN TO 3000 FEET BY LATE THIS AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

&&

$$

MTZ003-301800-
/O.EXT.KMSO.WW.Y.0070.000000T0000Z-111130T1800Z/
FLATHEAD/MISSION VALLEYS-
330 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING FOR THE FLATHEAD VALLEY...

THE WINTER WEATHER ADVISORY FOR THE FLATHEAD VALLEY IS NOW IN
EFFECT UNTIL 11 AM MST THIS MORNING. 

* IMPACTS/TIMING: RAIN WHICH FELL OVERNIGHT HAS BEGUN TO FREEZE
  ON AREA ROADS IN THE FLATHEAD VALLEY THIS MORNING. THIS WILL
  CREATE SLICK ROADS FOR THE MORNING COMMUTE. IN ADDITION...A
  PERIOD OF LIGHT SNOW IS EXPECTED BY MID MORNING...FURTHER
  AFFECTING AREA ROADS.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES OF SNOW ARE EXPECTED BY MID AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MTZ005-007-301800-
/O.CON.KMSO.WW.Y.0070.111130T2000Z-111201T0300Z/
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
330 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 8 PM MST THIS EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 8 PM MST THIS EVENING. 

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN LATE THIS MORNING...INCREASING
  IN COVERAGE AND INTENSITY THROUGHOUT THE AFTERNOON. SLICK ROADS
  CAN BE EXPECTED DURING THE EVENING COMMUTE.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES OF SNOW ARE EXPECTED IN THE 
  VALLEYS. THE HIGHER TERRAIN OF THE BUTTE/BLACKFOOT REGION... 
  INCLUDING PHILIPSBURG AND GEORGETOWN LAKE CAN EXPECT 3 TO 6 
  INCHES BY THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ007-301800-
/O.CON.KMSO.WW.Y.0070.000000T0000Z-111130T2200Z/
OROFINO/GRANGEVILLE REGION-
230 AM PST WED NOV 30 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THIS
AFTERNOON ABOVE 3000 FEET...

A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL
2 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: PERIODS OF MODERATE SNOW WILL DEVELOP THIS
  MORNING AND PERSIST INTO THE AFTERNOON. TRAVEL MAY BECOME HAZARDOUS OVER
  THE CAMAS PRAIRIE AND ALONG HIGHWAY 11 OVER GREER GRADE.

* SNOW ACCUMULATIONS: 3 TO 5 INCHES BY THIS AFTERNOON.

* LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND 
  VICINITY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ008-301800-
/O.CON.KMSO.WW.Y.0070.000000T0000Z-111130T2200Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
230 AM PST WED NOV 30 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THIS
AFTERNOON FOR WHITE BIRD GRADE...

A WINTER WEATHER ADVISORY FOR WHITE BIRD GRADE REMAINS IN EFFECT
UNTIL 2 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: PERIODS OF LIGHT TO MODERATE SNOW WILL DEVELOP
  THIS MORNING AND PERSIST INTO THE AFTERNOON. TRAVEL MAY BECOME HAZARDOUS
  OVER THE WHITE BIRD GRADE ON HIGHWAY 95.

* SNOW ACCUMULATIONS: 3 TO 5 INCHES BY THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
690 
WWUS45 KMSO 301749
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1049 AM MST WED NOV 30 2011

MTZ043-010000-
/O.CAN.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
/O.EXB.KMSO.WW.Y.0070.111130T1749Z-111201T0000Z/
POTOMAC/SEELEY LAKE REGION-
1049 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...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 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN
CANCELLED. 

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN LATE THIS MORNING...
  INCREASING IN COVERAGE AND INTENSITY THROUGHOUT THE AFTERNOON.
  THE SNOW COULD CAUSE SLICK ROAD CONDITIONS THIS AFTERNOON.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MTZ006-010000-
/O.CAN.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
/O.EXB.KMSO.WW.Y.0070.111130T1749Z-111201T0000Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
1049 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...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 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN
CANCELLED. 


* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN LATE THIS MORNING...
  INCREASING IN COVERAGE AND INTENSITY THROUGHOUT THE AFTERNOON.
  THE SNOW COULD CAUSE SLICK ROAD CONDITIONS THIS AFTERNOON FOR
  PORTIONS OF HIGHWAY 93 AND HIGHWAY 12.

* SNOW ACCUMULATIONS: 1 TO 4 INCHES OF SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ005-006-010000-
/O.CAN.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
/O.EXB.KMSO.WW.Y.0070.111130T1749Z-111201T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
949 AM PST WED NOV 30 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 3000 FEET...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW ABOVE 3000 FEET...
WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN LATE THIS MORNING... 
  INCREASING IN COVERAGE AND INTENSITY THROUGHOUT THE AFTERNOON. 
 THE SNOW COULD CAUSE SLICK ROAD CONDITIONS THIS AFTERNOON.

* SNOW ACCUMULATIONS: 1 TO 4 INCHES OF SNOW LOCALLY UP TO 6 INCHES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ010-010000-
/O.CAN.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
/O.EXB.KMSO.WW.Y.0070.111130T1749Z-111201T0000Z/
EASTERN LEMHI COUNTY-
1049 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON FOR LOST TRAIL PASS...
...WINTER STORM WARNING IS CANCELLED FOR...HIGHWAY 93 LOST TRAIL
PASS TO GIBBONSVILLE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW FOR LOST TRAIL
PASS...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 


* IMPACTS/TIMING: LIGHT SNOW WILL CONTINUE THROUGHOUT THE AFTERNOON. 
 THE SNOW COULD CAUSE SLICK ROAD CONDITIONS THIS AFTERNOON. 

* SNOW ACCUMULATIONS: 1 TO 3 INCHES LOCALLY UP TO 6 INCHES IN THE
  HIGHER TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IDZ007-008-301900-
/O.CAN.KMSO.WW.Y.0070.000000T0000Z-111130T2200Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
949 AM PST WED NOV 30 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

LIGHT SNOW SHOWERS WILL CONTINUE TO MOVE THROUGH THE CAMAS PRAIRIE
AREA TODAY...BUT SNOW ACCUMULATIONS ARE ANTICIPATED TO BE LIGHT.

$$

MTZ003-301900-
/O.EXP.KMSO.WW.Y.0070.000000T0000Z-111130T1800Z/
FLATHEAD/MISSION VALLEYS-
1049 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING
FOR THE FLATHEAD VALLEY...

THE WINTER WEATHER ADVISORY FOR THE FLATHEAD VALLEY WILL EXPIRE
AT 11 AM MST THIS MORNING. 

LIGHT SNOW SHOWERS WILL CONTINUE TO MOVE THROUGH THE FLATHEAD AND
MISSION VALLEYS TODAY...BUT SNOW ACCUMULATIONS ARE ANTICIPATED TO
BE LIGHT.

$$

MTZ002-010000-
/O.CON.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
WEST GLACIER REGION-
1049 AM MST WED NOV 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* SNOW ACCUMULATIONS: 7 TO 10 INCHES OF SNOW ARE EXPECTED IN THE 
  MOUNTAINS AND OVER MARIAS PASS...WHILE 3 TO 5 INCHES ARE 
  EXPECTED FOR THE LOWER ELEVATIONS BY LATE THIS AFTERNOON. 

* WINDS: BREEZY EAST WINDS OF 10 TO 20 MPH WITH OCCASIONALLY 
  STRONGER GUSTS ARE POSSIBLE OVER THE HIGHER TERRAIN AND MARIAS 
  PASS. THIS WILL CAUSE PERIODS OF LOW VISIBILITY IN BLOWING 
  SNOW. 

* 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 AND
BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ007-010200-
/O.EXT.KMSO.WW.Y.0070.111130T2000Z-111201T0600Z/
BUTTE/BLACKFOOT REGION-
1049 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: LIGHT SNOW WILL BEGIN LATE THIS MORNING... 
  INCREASING IN COVERAGE AND INTENSITY THROUGHOUT THE AFTERNOON. 
  SLICK ROADS CAN BE EXPECTED DURING THE EVENING COMMUTE. 

* SNOW ACCUMULATIONS: 1 TO 3 INCHES OF SNOW ARE EXPECTED IN THE 
  VALLEYS. THE HIGHER TERRAIN OF THE BUTTE/BLACKFOOT REGION... 
  INCLUDING PHILIPSBURG AND GEORGETOWN LAKE CAN EXPECT 3 TO 6 
  INCHES BY THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MTZ005-010200-
/O.EXT.KMSO.WW.Y.0070.111130T2300Z-111201T0600Z/
MISSOULA/BITTERROOT VALLEYS-
1049 AM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON
TO 11 PM MST THIS EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 4 PM THIS
AFTERNOON TO 11 PM MST THIS EVENING.

* IMPACTS/TIMING: LIGHT SNOW SHOWERS WILL CONTINUE THROUGHOUT THE
  AFTERNOON. WET ROADS COULD BECOME SLICK THIS EVENING AS
  TEMPERATURES COOL AFTER SUNSET. 

* SNOW ACCUMULATIONS: AROUND AN INCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
042 
WWUS45 KMSO 302318
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
418 PM MST WED NOV 30 2011


MTZ002-010030-
/O.CAN.KMSO.WS.W.0021.000000T0000Z-111201T0000Z/
WEST GLACIER REGION-
418 PM MST WED NOV 30 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
STORM WARNING. 

ADDITIONAL SNOWFALL WILL POSE A MINIMAL IMPACT. MELTED SNOW ON
ROADS MAY FREEZE AFTER SUNSET CREATING PATCHY ICE.

$$

MTZ007-010030-
/O.CAN.KMSO.WW.Y.0070.000000T0000Z-111201T0600Z/
BUTTE/BLACKFOOT REGION-
418 PM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

ADDITIONAL SNOWFALL WILL POSE A MINIMAL IMPACT. MELTED SNOW ON
ROADS AND SIDEWALKS MAY FREEZE AFTER SUNSET CREATING PATCHY ICE.

$$

IDZ005-006-010-MTZ006-043-010030-
/O.CAN.KMSO.WW.Y.0070.000000T0000Z-111201T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
EASTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS-
POTOMAC/SEELEY LAKE REGION-
418 PM MST WED NOV 30 2011 /318 PM PST WED NOV 30 2011/

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

ADDITIONAL SNOWFALL WILL POSE A MINIMAL IMPACT. MELTED SNOW ON
ROADS MAY FREEZE AFTER SUNSET CREATING PATCHY ICE.

$$

MTZ005-010030-
/O.CAN.KMSO.WW.Y.0070.000000T0000Z-111201T0600Z/
MISSOULA/BITTERROOT VALLEYS-
418 PM MST WED NOV 30 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

ADDITIONAL SNOWFALL WILL POSE A MINIMAL IMPACT. MELTED SNOW ON
ROADS AND SIDEWALKS MAY FREEZE AFTER SUNSET CREATING PATCHY ICE.

$$

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 29, 3:38 AM PSTWinter Weather AdvisoryMSOClearwater, Idaho, Lemhi36 hr

Nearby

Winter Storm Warnings in Montana, 2011Winter Storm Warnings in Idaho, 2011Every winter storm warning in 2011

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.