Alert archive / Montana / Winter Storm Warnings in 2011

Winter Storm Warning 18, NWS Missoula, MT

November 16, 2011Clearwater County, Idaho County, Lemhi County, Idaho; 9 counties in Montana

NWS Missoula, MT issued this winter storm warning at Nov 16, 2011, 2:54 AM PST for Clearwater County, Idaho County, Lemhi County, Idaho; 9 counties in Montana. It took effect at Nov 16, 2011, 4:00 PM PST. It was in force for 30 hr. 14 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 16, 2011, 2:54 AM PST (10:54 UTC)
In effect from
Nov 16, 2011, 4:00 PM PST
Expired
Nov 17, 2011, 10:00 PM PST
In force
30 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, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 36 km from the middle of the area, began a volume at 10:57 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 17, 6:00 AM PSTFREEZING RAIN 0Missoula, MTMDOT REPORTS FREEZING RAIN ALONG I-90 FROM SUPERIOR TO BEARMOUTH.
Nov 17, 7:08 AM PSTHEAVY SNOW 312 W Ovando, MTMEASURED AT CLEARWATER JUNCTION.
Nov 17, 7:08 AM PSTHEAVY SNOW 6Olney, MT
Nov 17, 7:15 AM PSTHEAVY SNOW 31 Nw Seeley Lake, MTUS FOREST SERVICE
Nov 17, 7:15 AM PSTHEAVY SNOW 43 N Eureka, MT
Nov 17, 7:45 AM PSTHEAVY SNOW 3Seeley Lake, MT
Nov 17, 7:45 AM PSTHEAVY SNOW 42 Se Seeley Lake, MTSTILL SNOWING
Nov 17, 8:00 AM PSTHEAVY SNOW 3Whitefish, MT
Nov 17, 8:00 AM PSTHEAVY SNOW 510 E Libby, MTLIBBY DAM COOP
Nov 17, 9:00 AM PSTHEAVY SNOW 05 Wnw Taft, MT12 INCHES OF NEW SNOW IN THE PAST 24 HOURS AT LOOKOUT PASS.
Nov 17, 9:00 AM PSTSNOW 125 Wnw Taft, MT12 INCHES OF NEW SNOW IN THE PAST 24 HOURS AT LOOKOUT PASS.
Nov 17, 10:00 AM PSTSNOW 232 Ne Mackay, ID18 HOUR STORM TOTAL AT MOONSHINE SNOTEL - 7440FT
Nov 17, 10:00 AM PSTSNOW 337 Ne Mackay, ID18 HOUR STORM TOTAL AT MEADOW LAKE SNOTEL - 9150FT
Nov 17, 2:20 PM PSTSNOW 96 Ssw Lolo Hot Springs, 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, 10.9 hours before the alert went out and 172 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 2011-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2445 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
-23 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.

912 
WWUS45 KMSO 161054
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
354 AM MST WED NOV 16 2011

MTZ005-007-161200-
/O.CAN.KMSO.WW.Y.0063.000000T0000Z-111116T1500Z/
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
354 AM MST WED NOV 16 2011

...WINTER WEATHER ADVISORY FOR THE BITTERROOT VALLEY AND BUTTE AND
BLACKFOOT REGIONS IS CANCELLED...

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

SNOW BANDS THAT RESULTED IN HAZARDOUS ROADS AND PROMPTED THE
WINTER WEATHER ADVISORY HAVE ENDED AND ROAD CONDITIONS HAVE
IMPROVED OVERNIGHT. THEREFORE THE WINTER WEATHER ADVISORY HAS
BEEN CANCELLED. HOWEVER...SIDE STREETS AND BRIDGES MAY REMAIN ICY
THROUGH THE EARLY MORNING HOURS...SO MOTORISTS ARE REMINDED TO
DRIVE WITH CAUTION.

$$

MTZ004-006-162200-
/O.UPG.KMSO.WS.A.0009.111117T0000Z-111118T0000Z/
/O.NEW.KMSO.WS.W.0018.111117T0100Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
354 AM MST WED NOV 16 2011

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 5 PM
MST THURSDAY FOR THE LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE
MOUNTAINS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 6 PM THIS EVENING TO 5 PM MST THURSDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL DEVELOP THIS EVENING
  AND CONTINUE THROUGH THURSDAY. LOWER ELEVATIONS COULD SEE PATCHY
  FREEZING RAIN LATE TONIGHT THROUGH THURSDAY MORNING. GREATEST
  IMPACT WILL BE ALONG INTERSTATE 90 APPROACHING LOOKOUT PASS AND
  OVER LOLO AND LOST TRAIL PASSES.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES...LOCALLY UP TO 15 INCHES.

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS WILL DEVELOP THIS
  EVENING AND CONTINUE THROUGH THURSDAY.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED. STRONG WINDS
ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

MTZ001-162200-
/O.UPG.KMSO.WS.A.0009.111117T0000Z-111118T0000Z/
/O.NEW.KMSO.WS.W.0018.111117T0400Z-111118T0000Z/
KOOTENAI/CABINET REGION-
354 AM MST WED NOV 16 2011

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 5 PM
MST THURSDAY FOR THE KOOTENAI/CABINET REGION...

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 5 PM MST THURSDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* IMPACTS/TIMING: HEAVY SNOW DEVELOPING THIS EVENING... POSSIBLY
  CHANGING TO RAIN OR FREEZING RAIN AT LOWER ELEVATIONS LATE
  TONIGHT THROUGH EARLY THURSDAY MORNING.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES...LOCALLY UP TO 12 INCHES.

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* 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. STRONG WINDS
ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

MTZ002-162200-
/O.UPG.KMSO.WS.A.0009.111117T0000Z-111118T0000Z/
/O.NEW.KMSO.WS.W.0018.111117T0400Z-111118T0000Z/
WEST GLACIER REGION-
354 AM MST WED NOV 16 2011

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 5 PM
MST THURSDAY FOR THE WEST GLACIER REGION...

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 5 PM MST THURSDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: HEAVY SNOW DEVELOPING TONIGHT AND CONTINUING
  THROUGH THURSDAY. STRONG WINDS OVER HIGHER ELEVATIONS.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES...LOCALLY UP TO 18 INCHES BY
  LATE THURSDAY AFTERNOON.

* WINDS: STRONG AND GUSTY WEST WINDS WITH AREAS OF BLOWING SNOW
  DEVELOPING LATER THIS EVENING...CONTINUING THROUGH THURSDAY.

* 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. STRONG WINDS ARE ALSO EXPECTED OVER
HIGHER TERRAIN. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

IDZ005-006-162200-
/O.UPG.KMSO.WS.A.0009.111117T0000Z-111118T0000Z/
/O.NEW.KMSO.WS.W.0018.111117T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
254 AM PST WED NOV 16 2011

...WINTER STORM WARNING FOR THE CLEARWATER MOUNTAINS IN EFFECT
FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 4000 FEET...WHICH
IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: HEAVY SNOW DEVELOPING THIS EVENING AND LASTING
  THROUGH THURSDAY. ELEVATIONS BELOW 4000 FEET COULD SEE SNOW
  TRANSITION TO RAIN OR FREEZING RAIN LATE TONIGHT THROUGH EARLY
  THURSDAY.

* SNOW ACCUMULATIONS: 6 TO 10 INCHES...LOCALLY UP TO 15 INCHES IN
  HIGHER ELEVATIONS...INCLUDING NEAR LOLO PASS.

* WINDS: STRONG SOUTHWEST TO WEST WINDS MAINLY HIGHER ELEVATIONS.

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED. STRONG WINDS
ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

MTZ043-162200-
/O.NEW.KMSO.WS.W.0018.111117T0400Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
354 AM MST WED NOV 16 2011

...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 5 PM
MST THURSDAY FOR HIGHWAY 83 SEELEY LAKE TO CONDON...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW FOR HIGHWAY 83 SEELEY LAKE TO
CONDON...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 5 PM MST
THURSDAY.


* IMPACTS/TIMING:SNOW WILL DEVELOP LATE THIS EVENING AND CONTINUE
  THROUGH THURSDAY. LOCALLY STRONG SOUTHWEST WINDS WILL ALSO
  RESULT IN REDUCED VISIBILITIES FROM BLOWING SNOW. 

* SNOW ACCUMULATIONS:5 TO 8 INCHES BY LATE THURSDAY.

* WINDS:SOUTHWEST WINDS 15 TO 25 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
9 follow-up statements
197 
WWUS45 KMSO 162141
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
241 PM MST WED NOV 16 2011

IDZ010-171200-
/O.EXB.KMSO.WS.W.0018.111117T1200Z-111118T0600Z/
EASTERN LEMHI COUNTY-
241 PM MST WED NOV 16 2011

...WINTER STORM WARNING IN EFFECT FROM 5 AM TO 11 PM MST THURSDAY
ABOVE 6000 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 6000 FEET...WHICH
IS IN EFFECT FROM 5 AM TO 11 PM MST THURSDAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL DEVELOP THURSDAY
  MORNING AND CONTINUE THROUGH THURSDAY EVENING...RESULTING IN
  LOCAL WHITEOUT CONDITIONS OVER THE HIGHER TERRAIN...INCLUDING
  LOST TRAIL...LEMHI AND BANNOCK PASSES..AS WELL AS GILMORE
  SUMMIT.

* SNOW ACCUMULATIONS: 4 TO 8 INCHES...LOCALLY UP TO 10 INCHES
  ABOVE 6000 FEET BY LATE THURSDAY NIGHT.

* WINDS: SOUTH WINDS 15 TO 25 MPH WILL DEVELOP OVERNIGHT TONIGHT.
  WINDS BECOMING SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH
  OVER THE HIGHER TERRAIN THURSDAY MORNING. WINDS DECREASING AGAIN
  THURSDAY EVENING.

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 93 LOST
  TRAIL PASS TO GIBBONSVILLE... LEMHI PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED. STRONG WINDS
ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

MTZ004-006-171200-
/O.CON.KMSO.WS.W.0018.111117T0100Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
241 PM MST WED NOV 16 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 5 PM MST THURSDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL DEVELOP THIS EVENING
  AND CONTINUE THROUGH THURSDAY. LOCAL WHITEOUT CONDITIONS ARE
  POSSIBLE OVER THE MOUNTAIN PASSES. LOWER ELEVATIONS COULD SEE
  PATCHY FREEZING RAIN LATE TONIGHT THROUGH EARLY THURSDAY
  MORNING. GREATEST IMPACT WILL BE ALONG INTERSTATE 90 APPROACHING
  LOOKOUT PASS AND OVER LOLO AND LOST TRAIL PASSES.

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES OVER THE MOUNTAINS AND
  3 TO 6 INCHES BY THURSDAY EVENING.

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS
  TO 40 MPH WILL DEVELOP AFTER MIDNIGHT...CAUSING SIGNIFICANT
  BLOWING AND DRIFTING OF SNOW OVER THE HIGHER TERRAIN WHICH WILL
  CONTINUE THROUGH THURSDAY.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED. STRONG WINDS
ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

MTZ001-171200-
/O.CON.KMSO.WS.W.0018.111117T0400Z-111118T0000Z/
KOOTENAI/CABINET REGION-
241 PM MST WED NOV 16 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 5 PM MST THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 5 PM MST THURSDAY. 

* IMPACTS/TIMING: HEAVY SNOW DEVELOPING THIS EVENING...POSSIBLY
  MIXED WITH RAIN OR FREEZING RAIN AT LOWER ELEVATIONS LATE
  TONIGHT THROUGH EARLY THURSDAY MORNING.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THURSDAY EVENING. LOCALLY
  UP TO 10 INCHES OVER THE MOUNTAINS.

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* 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. STRONG WINDS
ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

MTZ002-171200-
/O.CON.KMSO.WS.W.0018.111117T0400Z-111118T0000Z/
WEST GLACIER REGION-
241 PM MST WED NOV 16 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 5 PM MST THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 5 PM MST THURSDAY. 

* IMPACTS/TIMING: HEAVY SNOW DEVELOPING TONIGHT AND CONTINUING
  THROUGH THURSDAY. STRONG WINDS OVER HIGHER ELEVATIONS WILL CAUSE
  SIGNIFICANT BLOWING AND DRIFTING OF SNOW.

* SNOW ACCUMULATIONS: 4 TO 9 INCHES...LOCALLY UP TO 14 INCHES 
  BY LATE THURSDAY AFTERNOON. 

* WINDS: STRONG AND GUSTY WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40
  MPH DEVELOPING AFTER MIDNIGHT...CONTINUING THROUGH THURSDAY.

* 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. STRONG WINDS ARE ALSO EXPECTED OVER
HIGHER TERRAIN. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$

MTZ043-171200-
/O.CON.KMSO.WS.W.0018.111117T0400Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
241 PM MST WED NOV 16 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 5 PM MST THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 5 PM MST THURSDAY. 

* IMPACTS/TIMING:SNOW WILL DEVELOP LATE THIS EVENING AND 
  CONTINUE THROUGH THURSDAY. LOCALLY STRONG SOUTHWEST WINDS WILL 
  ALSO RESULT IN REDUCED VISIBILITIES FROM BLOWING SNOW. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES BY LATE THURSDAY...LOCALLY UP
  TO 10 INCHES OVER THE HIGHER TERRAIN.

* WINDS:LOCAL SOUTHWEST WINDS 15 TO 25 MPH DEVELOPING AFTER
  MIDNIGHT TONIGHT...THEN CONTINUING THURSDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-171200-
/O.CON.KMSO.WS.W.0018.111117T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
141 PM PST WED NOV 16 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 PM PST THURSDAY ABOVE 4000 FEET...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT FROM
4 PM THIS AFTERNOON TO 4 PM PST THURSDAY. 

* IMPACTS/TIMING: HEAVY SNOW DEVELOPING THIS EVENING AND LASTING
  THROUGH THURSDAY ABOVE 4000 FEET. ELEVATIONS BELOW 4000 FEET
  COULD SEE SNOW TRANSITION TO RAIN OR FREEZING RAIN LATE
  TONIGHT THROUGH EARLY THURSDAY.

* SNOW ACCUMULATIONS: 6 TO 10 INCHES ABOVE 4000 FEET BY LATE
  THURSDAY AFTERNOON. 1 TO 3 INCHES POSSIBLE DOWN TO 3000 FEET IN
  ELEVATION.

* WINDS: STRONG SOUTHWEST TO WEST 15 TO 25 MPH OVER THE HIGHER
  ELEVATIONS WILL CAUSE BLOWING AND DRIFTING OF SNOW.

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED. STRONG WINDS
ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS.

&&

$$
342 
WWUS45 KMSO 171130
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
430 AM MST THU NOV 17 2011

MTZ004-006-172230-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
430 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE TODAY. LOCAL
  WHITEOUT CONDITIONS ARE POSSIBLE OVER THE MOUNTAIN PASSES. LOWER
  ELEVATIONS COULD SEE PATCHY FREEZING RAIN THROUGH EARLY MORNING.
  GREATEST IMPACT WILL BE ALONG INTERSTATE 90 APPROACHING LOOKOUT
  PASS AND OVER LOLO AND LOST TRAIL PASSES.

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES OVER THE MOUNTAINS 
  AND 3 TO 6 INCHES BY THIS EVENING. 

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS
  TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND DRIFTING OF
  SNOW OVER THE HIGHER TERRAIN.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS.


&&

$$

MTZ001-172230-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
KOOTENAI/CABINET REGION-
430 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW...POSSIBLY MIXED WITH RAIN OR
  FREEZING RAIN AT LOWER ELEVATIONS THROUGH EARLY MORNING.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THIS EVENING. LOCALLY 
  UP TO 10 INCHES OVER THE MOUNTAINS. 

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH.

&&

$$

MTZ002-172230-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
WEST GLACIER REGION-
430 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW WILL CONTINUE THROUGH EARLY THIS
  EVENING. STRONG WINDS OVER HIGHER ELEVATIONS WILL CAUSE
  SIGNIFICANT BLOWING AND DRIFTING OF SNOW.

* SNOW ACCUMULATIONS: 4 TO 9 INCHES...LOCALLY UP TO 14 INCHES BY
  LATE AFTERNOON.

* WINDS: STRONG AND GUSTY WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40
  MPH WILL CONTINUE THROUGH THIS EVENING.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

&&

$$

MTZ043-172230-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
430 AM MST THU NOV 17 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. 

* IMPACTS/TIMING:SNOW WILL CONTINUE THROUGH THIS EVENING. LOCALLY
  STRONG SOUTHWEST WINDS WILL ALSO RESULT IN REDUCED VISIBILITIES
  FROM BLOWING SNOW.

* SNOW ACCUMULATIONS: 4 TO 8 INCHES BY EARLY THIS
  EVENING...LOCALLY UP TO 10 INCHES OVER THE HIGHER TERRAIN.

* WINDS:LOCAL SOUTHWEST WINDS 15 TO 25 MPH CONTINUING THROUGH THIS
  EVENING.

&&

$$

IDZ005-006-172230-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
330 AM PST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 4000 FEET...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
4 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: HEAVY SNOW ABOVE 4000 FEET WILL CONTINUE THROUGH
  THIS EVENING. ELEVATIONS BELOW 4000 FEET COULD SEE SNOW
  TRANSITION TO RAIN OR FREEZING RAIN LATE THIS MORNING.

* SNOW ACCUMULATIONS: 6 TO 10 INCHES ABOVE 4000 FEET BY THIS EVENING. 1
  TO 3 INCHES POSSIBLE DOWN TO 3000 FEET IN ELEVATION.

* WINDS: STRONG SOUTHWEST TO WEST 15 TO 25 MPH OVER THE HIGHER 
  ELEVATIONS WILL CAUSE BLOWING AND DRIFTING OF SNOW. 

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY

&&

$$

IDZ010-172230-
/O.CON.KMSO.WS.W.0018.111117T1200Z-111118T0600Z/
EASTERN LEMHI COUNTY-
430 AM MST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
11 PM MST THIS EVENING. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE THROUGH
  THIS EVENING...RESULTING IN LOCAL WHITEOUT CONDITIONS OVER
  THE HIGHER TERRAIN...INCLUDING LOST TRAIL...LEMHI AND BANNOCK
  PASSES..AS WELL AS GILMORE SUMMIT.

* SNOW ACCUMULATIONS: 4 TO 8 INCHES...LOCALLY UP TO 10 INCHES 
  ABOVE 6000 FEET BY LATE TONIGHT. 

* WINDS: SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH OVER THE
  HIGHER TERRAIN THIS MORNING. WINDS WILL DECREASE BY THIS 
  EVENING.

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO
  LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI
  PASS

&&

$$
906 
WWUS45 KMSO 171148
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
448 AM MST THU NOV 17 2011

MTZ004-006-172000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
448 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE TODAY. 
  LOCAL WHITEOUT CONDITIONS ARE POSSIBLE OVER THE MOUNTAIN 
  PASSES. LOWER ELEVATIONS COULD SEE PATCHY FREEZING RAIN 
  THROUGH EARLY MORNING. GREATEST IMPACT WILL BE ALONG 
  INTERSTATE 90 APPROACHING LOOKOUT PASS AND OVER LOLO AND LOST 
  TRAIL PASSES. 

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES OVER THE MOUNTAINS 
  AND 3 TO 6 INCHES BY THIS EVENING. 

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25 MPH WITH 
  GUSTS TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND 
  DRIFTING OF SNOW OVER THE HIGHER TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

$$

MTZ001-172000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
KOOTENAI/CABINET REGION-
448 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW...POSSIBLY MIXED WITH RAIN OR 
  FREEZING RAIN AT LOWER ELEVATIONS THROUGH EARLY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THIS EVENING. LOCALLY UP 
  TO 10 INCHES OVER THE MOUNTAINS. 

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ002-172000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
WEST GLACIER REGION-
448 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW WILL CONTINUE THROUGH EARLY THIS 
  EVENING. STRONG WINDS OVER HIGHER ELEVATIONS WILL CAUSE 
  SIGNIFICANT BLOWING AND DRIFTING OF SNOW. 

* SNOW ACCUMULATIONS: 4 TO 9 INCHES...LOCALLY UP TO 14 INCHES BY 
  LATE AFTERNOON. 

* WINDS: STRONG AND GUSTY WEST WINDS 15 TO 25 MPH WITH GUSTS TO 
  40 MPH WILL CONTINUE THROUGH THIS EVENING. 

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

$$

MTZ043-172000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
448 AM MST THU NOV 17 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. 

* IMPACTS/TIMING:SNOW WILL CONTINUE THROUGH THIS EVENING. 
  LOCALLY STRONG SOUTHWEST WINDS WILL ALSO RESULT IN REDUCED 
  VISIBILITIES FROM BLOWING SNOW. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES BY EARLY THIS EVENING... 
  LOCALLY UP TO 10 INCHES OVER THE HIGHER TERRAIN. 

* WINDS:LOCAL SOUTHWEST WINDS 15 TO 25 MPH CONTINUING THROUGH 
  THIS EVENING. 

&&

$$

IDZ005-006-172000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
348 AM PST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 4000 FEET...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
4 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: HEAVY SNOW ABOVE 4000 FEET WILL CONTINUE 
  THROUGH THIS EVENING. ELEVATIONS BELOW 4000 FEET COULD SEE 
  SNOW TRANSITION TO RAIN OR FREEZING RAIN LATE THIS MORNING. 

* SNOW ACCUMULATIONS: 6 TO 10 INCHES ABOVE 4000 FEET BY THIS 
  EVENING. 1 TO 3 INCHES POSSIBLE DOWN TO 3000 FEET IN 
  ELEVATION. 

* WINDS: STRONG SOUTHWEST TO WEST 15 TO 25 MPH OVER THE HIGHER 
  ELEVATIONS WILL CAUSE BLOWING AND DRIFTING OF SNOW. 

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY

$$

IDZ010-172000-
/O.CON.KMSO.WS.W.0018.111117T1200Z-111118T0600Z/
EASTERN LEMHI COUNTY-
448 AM MST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
11 PM MST THIS EVENING. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE THROUGH 
  THIS EVENING...RESULTING IN LOCAL WHITEOUT CONDITIONS OVER THE 
  HIGHER TERRAIN...INCLUDING LOST TRAIL...LEMHI AND BANNOCK 
  PASSES..AS WELL AS GILMORE SUMMIT. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES...LOCALLY UP TO 10 INCHES 
  ABOVE 6000 FEET BY LATE TONIGHT. 

* WINDS: SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH OVER THE 
  HIGHER TERRAIN THIS MORNING. WINDS WILL DECREASE BY THIS 
  EVENING. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS

$$

MTZ005-171600-
/O.NEW.KMSO.WW.Y.0064.111117T1148Z-111117T1600Z/
MISSOULA/BITTERROOT VALLEYS-
448 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING
FOR MISSOULA...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND FREEZING ROAD SURFACES FROM THE
MISSOULA VALLEY TO LOLO...WHICH IS IN EFFECT UNTIL 9 AM MST THIS
MORNING.

* IMPACTS/TIMING: SNOW AND FREEZING ROAD SURFACES DURING THE
  THURSDAY MORNING COMMUTE FROM MISSOULA TO LOLO.

* SNOW ACCUMULATIONS: 1 TO 2 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 AND ICY ROADS THROUGH THE MORNING COMMUTE.  USE CAUTION
WHILE DRIVING.

&&

$$
242 
WWUS45 KMSO 171205
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
505 AM MST THU NOV 17 2011

MTZ004-006-172015-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
505 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE TODAY. 
  LOCAL WHITEOUT CONDITIONS ARE POSSIBLE OVER THE MOUNTAIN 
  PASSES. LOWER ELEVATIONS COULD SEE PATCHY FREEZING RAIN 
  THROUGH EARLY MORNING. GREATEST IMPACT WILL BE ALONG 
  INTERSTATE 90 APPROACHING LOOKOUT PASS AND OVER LOLO AND LOST 
  TRAIL PASSES. 

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES OVER THE MOUNTAINS 
  AND 3 TO 6 INCHES BY THIS EVENING. 

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25 MPH WITH 
  GUSTS TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND 
  DRIFTING OF SNOW OVER THE HIGHER TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

$$

MTZ001-172015-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
KOOTENAI/CABINET REGION-
505 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW...POSSIBLY MIXED WITH RAIN OR 
  FREEZING RAIN AT LOWER ELEVATIONS THROUGH EARLY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THIS EVENING. LOCALLY UP 
  TO 10 INCHES OVER THE MOUNTAINS. 

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ002-172015-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
WEST GLACIER REGION-
505 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW WILL CONTINUE THROUGH EARLY THIS 
  EVENING. STRONG WINDS OVER HIGHER ELEVATIONS WILL CAUSE 
  SIGNIFICANT BLOWING AND DRIFTING OF SNOW. 

* SNOW ACCUMULATIONS: 4 TO 9 INCHES...LOCALLY UP TO 14 INCHES BY 
  LATE AFTERNOON. 

* WINDS: STRONG AND GUSTY WEST WINDS 15 TO 25 MPH WITH GUSTS TO 
  40 MPH WILL CONTINUE THROUGH THIS EVENING. 

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

$$

MTZ043-172015-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
505 AM MST THU NOV 17 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. 

* IMPACTS/TIMING:SNOW WILL CONTINUE THROUGH THIS EVENING. 
  LOCALLY STRONG SOUTHWEST WINDS WILL ALSO RESULT IN REDUCED 
  VISIBILITIES FROM BLOWING SNOW. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES BY EARLY THIS EVENING... 
  LOCALLY UP TO 10 INCHES OVER THE HIGHER TERRAIN. 

* WINDS:LOCAL SOUTHWEST WINDS 15 TO 25 MPH CONTINUING THROUGH 
  THIS EVENING. 

&&

$$

IDZ005-006-172015-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
405 AM PST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 4000 FEET...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
4 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: HEAVY SNOW ABOVE 4000 FEET WILL CONTINUE 
  THROUGH THIS EVENING. ELEVATIONS BELOW 4000 FEET COULD SEE 
  SNOW TRANSITION TO RAIN OR FREEZING RAIN LATE THIS MORNING. 

* SNOW ACCUMULATIONS: 6 TO 10 INCHES ABOVE 4000 FEET BY THIS 
  EVENING. 1 TO 3 INCHES POSSIBLE DOWN TO 3000 FEET IN 
  ELEVATION. 

* WINDS: STRONG SOUTHWEST TO WEST 15 TO 25 MPH OVER THE HIGHER 
  ELEVATIONS WILL CAUSE BLOWING AND DRIFTING OF SNOW. 

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY

$$

IDZ010-172015-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0600Z/
EASTERN LEMHI COUNTY-
505 AM MST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
11 PM MST THIS EVENING. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE THROUGH 
  THIS EVENING...RESULTING IN LOCAL WHITEOUT CONDITIONS OVER THE 
  HIGHER TERRAIN...INCLUDING LOST TRAIL...LEMHI AND BANNOCK 
  PASSES..AS WELL AS GILMORE SUMMIT. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES...LOCALLY UP TO 10 INCHES 
  ABOVE 6000 FEET BY LATE TONIGHT. 

* WINDS: SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH OVER THE 
  HIGHER TERRAIN THIS MORNING. WINDS WILL DECREASE BY THIS 
  EVENING. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS

$$

MTZ003-171600-
/O.EXA.KMSO.WW.Y.0064.000000T0000Z-111117T1600Z/
FLATHEAD/MISSION VALLEYS-
505 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 9 AM MST
THIS MORNING.

* IMPACTS/TIMING: SNOW AND FREEZING ROAD SURFACES DURING THE
  THURSDAY MORNING COMMUTE.

* 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 AND ICY ROADS THROUGH THE MORNING COMMUTE.  USE CAUTION
WHILE DRIVING.

&&

$$

MTZ005-171600-
/O.CON.KMSO.WW.Y.0064.000000T0000Z-111117T1600Z/
MISSOULA/BITTERROOT VALLEYS-
505 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING FOR MISSOULA...

A WINTER WEATHER ADVISORY FOR MISSOULA REMAINS IN EFFECT UNTIL
9 AM MST THIS MORNING. 

* IMPACTS/TIMING: SNOW AND FREEZING ROAD SURFACES DURING THE 
  THURSDAY MORNING COMMUTE FROM MISSOULA TO LOLO. 

* SNOW ACCUMULATIONS: 1 TO 2 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 AND ICY ROADS THROUGH THE MORNING COMMUTE.  USE CAUTION
WHILE DRIVING.

&&

$$
685 
WWUS45 KMSO 171415
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
715 AM MST THU NOV 17 2011

MTZ004-006-172215-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
715 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE TODAY. LOCAL
  WHITEOUT CONDITIONS ARE POSSIBLE OVER THE MOUNTAIN PASSES. SNOW
  AND FREEZING RAIN DURING THE MORNING ON INTERSTATE 90 SAINT
  REGIS TO MISSOULA AND HIGHWAY 200 TROUT CREEK TO PLAINS. ALL
  LOCATIONS WILL CHANGE TO SNOW THROUGH THE MORNING.

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES OVER THE MOUNTAINS 
  AND 3 TO 6 INCHES LOWER ELEVATIONS BY THIS EVENING. 

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25 MPH WITH 
  GUSTS TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND 
  DRIFTING OF SNOW OVER THE HIGHER TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

$$

MTZ001-172215-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
KOOTENAI/CABINET REGION-
715 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW...MIXED WITH FREEZING RAIN AT LOWER
  ELEVATIONS THROUGH EARLY MORNING BEFORE CHANGING TO ALL SNOW.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THIS EVENING. LOCALLY UP 
  TO 10 INCHES OVER THE MOUNTAINS. 

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ002-172215-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
WEST GLACIER REGION-
715 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW WILL CONTINUE THROUGH EARLY THIS 
  EVENING. STRONG WINDS OVER HIGHER ELEVATIONS WILL CAUSE 
  SIGNIFICANT BLOWING AND DRIFTING OF SNOW. 

* SNOW ACCUMULATIONS: 4 TO 9 INCHES...LOCALLY UP TO 14 INCHES BY 
  LATE AFTERNOON. 

* WINDS: STRONG AND GUSTY WEST WINDS 15 TO 25 MPH WITH GUSTS TO 
  40 MPH WILL CONTINUE THROUGH THIS EVENING. 

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

$$

MTZ043-172215-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
715 AM MST THU NOV 17 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. 

* IMPACTS/TIMING:SNOW WILL CONTINUE THROUGH THIS EVENING. 
  LOCALLY STRONG SOUTHWEST WINDS WILL ALSO RESULT IN REDUCED 
  VISIBILITIES FROM BLOWING SNOW. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES BY EARLY THIS EVENING... 
  LOCALLY UP TO 10 INCHES OVER THE HIGHER TERRAIN. 

* WINDS:LOCAL SOUTHWEST WINDS 15 TO 25 MPH CONTINUING THROUGH 
  THIS EVENING. 

&&

$$

IDZ005-006-172215-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
615 AM PST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 4000 FEET...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
4 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: HEAVY SNOW ABOVE 4000 FEET WILL CONTINUE THROUGH
  THIS EVENING. FREEZING RAIN POSSIBLE CHANGING TO ALL SNOW
  THROUGH THE MORNING FOR ELEVATIONS BELOW 4000 FEET.

* SNOW ACCUMULATIONS: 6 TO 10 INCHES ABOVE 4000 FEET BY THIS 
  EVENING. 1 TO 3 INCHES POSSIBLE DOWN TO 3000 FEET IN 
  ELEVATION. 

* WINDS: STRONG SOUTHWEST TO WEST 15 TO 25 MPH OVER THE HIGHER 
  ELEVATIONS WILL CAUSE BLOWING AND DRIFTING OF SNOW. 

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY

$$

IDZ010-172215-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0600Z/
EASTERN LEMHI COUNTY-
715 AM MST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
11 PM MST THIS EVENING. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE THROUGH 
  THIS EVENING...RESULTING IN LOCAL WHITEOUT CONDITIONS OVER THE 
  HIGHER TERRAIN...INCLUDING LOST TRAIL...LEMHI AND BANNOCK 
  PASSES..AS WELL AS GILMORE SUMMIT. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES...LOCALLY UP TO 10 INCHES 
  ABOVE 6000 FEET BY LATE TONIGHT. 

* WINDS: SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH OVER THE 
  HIGHER TERRAIN THIS MORNING. WINDS WILL DECREASE BY THIS 
  EVENING. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS

$$

MTZ003-171600-
/O.CON.KMSO.WW.Y.0064.000000T0000Z-111117T1600Z/
FLATHEAD/MISSION VALLEYS-
715 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING. 

* IMPACTS/TIMING: SNOW AND FREEZING RAIN LIKELY EARLY THIS MORNING
  THEN CHANGING TO ALL SNOW THROUGH THE MORNING.

* 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 AND ICY ROADS THROUGH THE MORNING COMMUTE.  USE CAUTION
WHILE DRIVING.

&&

$$

MTZ005-171600-
/O.CON.KMSO.WW.Y.0064.000000T0000Z-111117T1600Z/
MISSOULA/BITTERROOT VALLEYS-
715 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING FOR MISSOULA...

A WINTER WEATHER ADVISORY FOR MISSOULA REMAINS IN EFFECT UNTIL
9 AM MST THIS MORNING. 

* IMPACTS/TIMING: SNOW AND FREEZING RAIN LIKELY EARLY THIS MORNING
  CREATING VERY SLICK ROAD CONDITIONS THROUGH THE MISSOULA AND
  BITTERROOT VALLEYS. FREEZING RAIN WILL CHANGE TO SNOW BE MID
  MORNING. 

* SNOW ACCUMULATIONS: 1 TO 2 INCHES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW AND
FREEZING RAIN WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE
PREPARED FOR SNOW COVERED AND ICY ROADS THROUGH THE MORNING
COMMUTE. USE CAUTION WHILE DRIVING.

&&

$$
808 
WWUS45 KMSO 171551
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
851 AM MST THU NOV 17 2011

MTZ004-006-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
851 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE TODAY. 
  LOCAL WHITEOUT CONDITIONS ARE POSSIBLE OVER THE MOUNTAIN 
  PASSES. SNOW AND FREEZING RAIN DURING THE MORNING ON 
  INTERSTATE 90 SAINT REGIS TO MISSOULA AND HIGHWAY 200 TROUT 
  CREEK TO PLAINS. ALL LOCATIONS WILL CHANGE TO SNOW THROUGH THE 
  MORNING. 

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES OVER THE MOUNTAINS 
  AND 3 TO 6 INCHES LOWER ELEVATIONS BY THIS EVENING. 

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25 MPH WITH 
  GUSTS TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND 
  DRIFTING OF SNOW OVER THE HIGHER TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

$$

MTZ001-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
KOOTENAI/CABINET REGION-
851 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW...MIXED WITH FREEZING RAIN AT LOWER
  ELEVATIONS INTO THIS MORNING BEFORE CHANGING TO ALL SNOW.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THIS EVENING. LOCALLY UP 
  TO 10 INCHES OVER THE MOUNTAINS. 

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ002-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
WEST GLACIER REGION-
851 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: HEAVY SNOW WILL CONTINUE THROUGH EARLY THIS 
  EVENING. STRONG WINDS OVER HIGHER ELEVATIONS WILL CAUSE 
  SIGNIFICANT BLOWING AND DRIFTING OF SNOW. 

* SNOW ACCUMULATIONS: 4 TO 9 INCHES...LOCALLY UP TO 14 INCHES BY 
  LATE AFTERNOON. 

* WINDS: STRONG AND GUSTY WEST WINDS 15 TO 25 MPH WITH GUSTS TO 
  40 MPH WILL CONTINUE THROUGH THIS EVENING. 

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

$$

MTZ043-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
851 AM MST THU NOV 17 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. 

* IMPACTS/TIMING:SNOW AND FREEZING RAIN ARE LIKELY THROUGH THIS
  MORNING AND WILL CREATE ICY CONDITIONS ON INTERSTATE 90 MISSOULA
  TO BEARMOUTH AND ON HIGHWAY 200 BONNER TO CLEARWATER.
  PRECIPITATION WILL THEN BECOME ALL SNOW BY LATE MORNING.
  LOCALLY STRONG SOUTHWEST WINDS WILL ALSO RESULT IN REDUCED
  VISIBILITIES FROM BLOWING SNOW.

* SNOW ACCUMULATIONS: 4 TO 8 INCHES BY EARLY THIS EVENING... 
  LOCALLY UP TO 10 INCHES OVER THE HIGHER TERRAIN. 

* WINDS:LOCAL SOUTHWEST WINDS 15 TO 25 MPH CONTINUING THROUGH 
  THIS EVENING. 

&&

$$

IDZ005-006-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
751 AM PST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 4000 FEET...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
4 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: HEAVY SNOW ABOVE 4000 FEET WILL CONTINUE 
  THROUGH THIS EVENING. FREEZING RAIN POSSIBLE CHANGING TO ALL 
  SNOW THROUGH THE MORNING FOR ELEVATIONS BELOW 4000 FEET. 

* SNOW ACCUMULATIONS: 6 TO 10 INCHES ABOVE 4000 FEET BY THIS 
  EVENING. 1 TO 3 INCHES POSSIBLE DOWN TO 3000 FEET IN 
  ELEVATION. 

* WINDS: STRONG SOUTHWEST TO WEST 15 TO 25 MPH OVER THE HIGHER 
  ELEVATIONS WILL CAUSE BLOWING AND DRIFTING OF SNOW. 

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY

$$

IDZ010-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0600Z/
EASTERN LEMHI COUNTY-
851 AM MST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
11 PM MST THIS EVENING. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE THROUGH 
  THIS EVENING...RESULTING IN LOCAL WHITEOUT CONDITIONS OVER THE 
  HIGHER TERRAIN...INCLUDING LOST TRAIL...LEMHI AND BANNOCK 
  PASSES..AS WELL AS GILMORE SUMMIT. 

* SNOW ACCUMULATIONS: 4 TO 8 INCHES...LOCALLY UP TO 10 INCHES 
  ABOVE 6000 FEET BY LATE TONIGHT. 

* WINDS: SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH OVER THE 
  HIGHER TERRAIN THIS MORNING. WINDS WILL DECREASE BY THIS 
  EVENING. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS

$$

MTZ003-171800-
/O.EXT.KMSO.WW.Y.0064.000000T0000Z-111117T1800Z/
FLATHEAD/MISSION VALLEYS-
851 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING...

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

* IMPACTS/TIMING: SNOW AND ICY ROAD CONDITIONS WILL CONTINUE
  THROUGH THIS MORNING.

* 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 AND ICY ROADS THROUGH THE MORNING COMMUTE.  USE CAUTION
WHILE DRIVING.

&&

$$

MTZ005-171800-
/O.EXT.KMSO.WW.Y.0064.000000T0000Z-111117T1800Z/
MISSOULA/BITTERROOT VALLEYS-
851 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING FOR MISSOULA...

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

* IMPACTS/TIMING: ICY ROAD CONDITIONS WILL CONTINUE THROUGH THIS
  MORNING WITH LIGHT SNOW AND BRIEF PERIODS OF FREEZING RAIN. 

* SNOW ACCUMULATIONS: 1 TO 2 INCHES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW AND
FREEZING RAIN WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE
PREPARED FOR SNOW COVERED AND ICY ROADS THROUGH THE MORNING
COMMUTE. USE CAUTION WHILE DRIVING.

&&

$$
784 
WWUS45 KMSO 171757
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1057 AM MST THU NOV 17 2011

MTZ003-171900-
/O.EXP.KMSO.WW.Y.0064.000000T0000Z-111117T1800Z/
FLATHEAD/MISSION VALLEYS-
1057 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

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

A COLD FRONT HAS MOVED THROUGH THE AREA THIS MORNING WITH MOIST
UNSTABLE AIR MOVING IN FROM THE WEST. SNOW SHOWERS WILL CONTINUE
THROUGH THE REMAINDER OF THE DAY. LOCAL ACCUMULATIONS OF 1 TO 2
INCHES ARE STILL POSSIBLE UNDER MORE PERSISTENT SNOW BANDS. 

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...
   MISSION VALLEY...POLSON

$$

MTZ005-171900-
/O.EXP.KMSO.WW.Y.0064.000000T0000Z-111117T1800Z/
MISSOULA/BITTERROOT VALLEYS-
1057 AM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING
FOR MISSOULA...

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

A COLD FRONT HAS MOVED THROUGH THE AREA THIS MORNING WITH MOIST
UNSTABLE AIR MOVING IN FROM THE WEST. SNOW SHOWERS WILL CONTINUE
THROUGH THE REMAINDER OF THE DAY. LOCAL ACCUMULATIONS OF 1 TO 2
INCHES ARE STILL POSSIBLE UNDER MORE PERSISTENT SNOW BANDS. 

$$

MTZ004-006-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
1057 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE TODAY. LOCAL
  WHITEOUT CONDITIONS ARE POSSIBLE OVER THE MOUNTAIN PASSES. SNOW
  SHOWERS ARE EXPECTED THROUGH THE REMAINDER OF TODAY.

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES OVER THE MOUNTAINS 
  AND 3 TO 6 INCHES LOWER ELEVATIONS BY THIS EVENING. 

* WINDS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 25 MPH WITH 
  GUSTS TO 40 MPH WILL RESULT IN SIGNIFICANT BLOWING AND 
  DRIFTING OF SNOW OVER THE HIGHER TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN...HIGHWAY 93 SULA TO LOST TRAIL PASS...
  LOLO PASS

$$

MTZ001-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
KOOTENAI/CABINET REGION-
1057 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW SHOWERS WILL CONTINUE
  THROUGH THE REMAINDER OF TODAY.

* SNOW ACCUMULATIONS: TOTAL 3 TO 6 INCHES BY THIS EVENING.
  LOCALLY UP TO 10 INCHES OVER THE MOUNTAINS.

* WINDS: GUSTY WEST WINDS HIGHER ELEVATIONS WITH SIGNIFICANT 
  BLOWING AND DRIFTING SNOW POSSIBLE. 

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ002-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
WEST GLACIER REGION-
1057 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH
  EARLY THIS EVENING. STRONG WINDS OVER HIGHER ELEVATIONS WILL
  CAUSE SIGNIFICANT BLOWING AND DRIFTING OF SNOW.

* SNOW ACCUMULATIONS: TOTAL 4 TO 9 INCHES...LOCALLY UP TO 14
  INCHES BY LATE AFTERNOON.

* WINDS: STRONG AND GUSTY WEST WINDS 15 TO 25 MPH WITH GUSTS TO 
  40 MPH WILL CONTINUE THROUGH THIS EVENING. 

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

$$

MTZ043-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
POTOMAC/SEELEY LAKE REGION-
1057 AM MST THU NOV 17 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. 

* IMPACTS/TIMING: SNOW...MODERATE AT TIMES...WILL CONTINUE THROUGH
  THE REMAINDER OF THE DAY. LOCALLY STRONG SOUTHWEST WINDS WILL
  ALSO RESULT IN REDUCED VISIBILITIES FROM BLOWING SNOW.

* SNOW ACCUMULATIONS: TOTAL 4 TO 8 INCHES BY EARLY THIS EVENING...
  LOCALLY UP TO 10 INCHES OVER THE HIGHER TERRAIN.

* WINDS:LOCAL SOUTHWEST WINDS 15 TO 25 MPH CONTINUING THROUGH 
  THIS EVENING. 

&&

$$

IDZ005-006-180000-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
957 AM PST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 4000 FEET...

A WINTER STORM WARNING ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
4 PM PST THIS AFTERNOON. 

* IMPACTS/TIMING: HEAVY SNOW ABOVE 4000 FEET WILL CONTINUE THROUGH
  THIS EVENING. 

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES ABOVE 4000 FEET BY
  THIS EVENING. 1 TO 3 INCHES POSSIBLE DOWN TO 3000 FEET IN
  ELEVATION.

* WINDS: STRONG SOUTHWEST TO WEST 15 TO 25 MPH OVER THE HIGHER 
  ELEVATIONS WILL CAUSE BLOWING AND DRIFTING OF SNOW. 

* LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY

$$

IDZ010-180200-
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0600Z/
EASTERN LEMHI COUNTY-
1057 AM MST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET REMAINS IN EFFECT UNTIL
11 PM MST THIS EVENING. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CONTINUE THROUGH 
  THIS EVENING...RESULTING IN LOCAL WHITEOUT CONDITIONS OVER THE 
  HIGHER TERRAIN...INCLUDING LOST TRAIL...LEMHI AND BANNOCK 
  PASSES..AS WELL AS GILMORE SUMMIT. 

* SNOW ACCUMULATIONS: TOTAL 4 TO 8 INCHES...LOCALLY UP TO 10
  INCHES ABOVE 6000 FEET BY LATE TONIGHT.

* WINDS: SOUTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH OVER THE 
  HIGHER TERRAIN THIS MORNING. WINDS WILL DECREASE BY THIS 
  EVENING. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS

$$
829 
WWUS45 KMSO 172136
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
236 PM MST THU NOV 17 2011

MTZ001-180545-
/O.CAN.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
/O.NEW.KMSO.WW.Y.0065.111118T0900Z-111119T0600Z/
KOOTENAI/CABINET REGION-
236 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 11 PM MST
FRIDAY...
...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
FROM 2 AM TO 11 PM MST FRIDAY. THE WINTER STORM WARNING HAS BEEN
CANCELLED.

* IMPACTS/TIMING: ANOTHER ROUND OF ACCUMULATING SNOW IS EXPECTED
  STARTING TONIGHT AND CONTINUE THROUGH FRIDAY.

* SNOW ACCUMULATIONS: TOTAL 3 TO 6 INCHES BY FRIDAY EVENING. THE
  MAIN FOCUS FOR SNOW ACCUMULATIONS WILL BE NEAR TROY AND SOUTH
  NEAR HIGHWAY 56.

* WINDS: GUSTY EAST WINDS COULD CAUSE BLOWING AND DRIFTING SNOW ON
  HIGHWAY 2.

* 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 AND BLOWING
SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

IDZ005-006-180545-
/O.CAN.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
/O.NEW.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
136 PM PST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 4 AM PST
SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 AM FRIDAY
TO 4 AM PST SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* IMPACTS/TIMING: WIDESPREAD SNOW ACCUMULATIONS WILL RETURN
  OVERNIGHT AND ESPECIALLY ON FRIDAY CREATING SNOW COVERED AND ICY
  ROADWAYS.

* SNOW ACCUMULATIONS: TOTAL 5 TO 8 INCHES BY FRIDAY EVENING.

* 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 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.

&&

$$

MTZ004-180545-
/O.CAN.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
/O.NEW.KMSO.WW.Y.0065.111118T0900Z-111119T0600Z/
LOWER CLARK FORK REGION-
236 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 11 PM MST
FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

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 FRIDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* IMPACTS/TIMING: ACCUMULATING SNOW WILL RETURN TO LOOKOUT PASS
  LATE THIS EVENING AND ALONG THE HIGHWAY 200 AND INTERSTATE 90
  CORRIDORS OVERNIGHT AND THROUGH FRIDAY. ACCUMULATING SNOW WILL
  CREATE SNOW COVERED AND ICY ROADWAYS.

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES IN THE MOUNTAINS
  INCLUDING LOOKOUT PASS AND 4 TO 7 INCHES LOWER ELEVATIONS BY
  FRIDAY EVENING.

* 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 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.

&&

$$

MTZ006-180545-
/O.CAN.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
/O.NEW.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
236 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM FRIDAY TO 5 AM MST
SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 5 AM FRIDAY TO
5 AM MST SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* IMPACTS/TIMING: ACCUMULATING SNOW WILL RETURN OVERNIGHT TONIGHT
  AND WILL CONTINUE THROUGH FRIDAY. SNOW COVERED AND ICY ROAD WILL
  CREATE TRAVEL IMPACTS OVER LOST TRAIL AND LOLO PASS.

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES FRIDAY EVENING.

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

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.

&&

$$

MTZ043-180545-
/O.CAN.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
/O.NEW.KMSO.WW.Y.0065.111118T1200Z-111119T0600Z/
POTOMAC/SEELEY LAKE REGION-
236 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 11 PM MST
FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW FOLLOWED BY COLD WIND
CHILLS...WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY. THE
WINTER STORM WARNING HAS BEEN CANCELLED.

* IMPACTS/TIMING: SNOW WILL BEGIN FRIDAY MORNING WITH
  ACCUMULATIONS EXPECTED THROUGH FRIDAY EVENING. EAST WIND WILL
  COMBINE WITH SNOW ON HIGHWAY 200 BETWEEN BONNER AND OVANDO
  CREATING REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS. COLD
  WIND CHILLS SHOULD BE EXPECTED ALONG HIGHWAY 200 FRIDAY EVENING
  AND OVERNIGHT.

* SNOW ACCUMULATIONS: TOTAL 3 TO 6 INCHES BR FRIDAY EVENING...
  LOCALLY UP TO 8 INCHES OVER THE HIGHER TERRAIN.

* WINDS AND WIND CHILLS: EAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH ALONG HIGHWAY 200 IN THE AFTERNOON AND EVENING CREATING WIND
  CHILL VALUES -10 TO -15 DEGREES THROUGH FRIDAY NIGHT.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING
SNOW AND HAZARDOUS WIND CHILLS WILL CAUSE TRAVEL DIFFICULTIES AND
THE POTENTIAL FOR FROSTBITE TO PEOPLE OUTSIDE. BE PREPARED FOR
SLIPPERY ROADS...LIMITED VISIBILITIES...AND HAZARDOUS WIND
CHILLS.

&&

$$

MTZ002-180545-
/O.CAN.KMSO.WS.W.0018.000000T0000Z-111118T0000Z/
/O.NEW.KMSO.WC.Y.0006.111118T1200Z-111119T1600Z/
WEST GLACIER REGION-
236 PM MST THU NOV 17 2011

...WIND CHILL ADVISORY IN EFFECT FROM 5 AM FRIDAY TO 9 AM MST
SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 5 AM FRIDAY TO 9 AM MST
SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

* IMPACTS/TIMING: TEMPERATURES WILL BEGIN TO QUICKLY DROP FRIDAY
  MORNING AND WILL COMBINE WITH GUSTY EAST WINDS TO PRODUCE
  HAZARDOUS WIND CHILLS BY FRIDAY AFTERNOON.

* WINDS AND WIND CHILLS: STRONG AND GUSTY EAST WINDS 15 TO 20 MPH 
  WITH GUSTS TO 30 MPH BEGINNING FRIDAY MORNING AND CONTINUING
  THROUGH FRIDAY NIGHT. WIND CHILL VALUES -10 TO -20 DEGREES ARE
  EXPECTED.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

IDZ010-180545-
/O.NEW.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
/O.CON.KMSO.WS.W.0018.000000T0000Z-111118T0600Z/
EASTERN LEMHI COUNTY-
236 PM MST THU NOV 17 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 6000 FEET...
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM FRIDAY TO 5 AM MST
SATURDAY FOR LOST TRAIL PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW FOR LOST TRAIL PASS...WHICH IS IN EFFECT
FROM 5 AM FRIDAY TO 5 AM MST SATURDAY. A WINTER STORM WARNING
ABOVE 6000 FEET REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING.

* IMPACTS/TIMING: SNOW WILL CONTINUE TO ACCUMULATED THROUGH THIS
  EVENING...RESULTING IN REDUCED VISIBILITIES. CONDITIONS WILL
  IMPROVE LATE THIS EVENING BUT ANOTHER ROUND OF SNOW IS EXPECTED
  TO BEGIN FRIDAY MORNING AND CONTINUE THROUGH FRIDAY EVENING.

* SNOW ACCUMULATIONS: 1 TO 4 INCHES ADDITIONAL ACCUMULATION
  THROUGH LATE THIS AFTERNOON. 5 TO 8 INCHES FROM FRIDAY MORNING
  THROUGH FRIDAY NIGHT.

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 93 LOST
  TRAIL PASS TO GIBBONSVILLE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-180545-
/O.NEW.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
FLATHEAD/MISSION VALLEYS-
236 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM FRIDAY TO 5 AM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW FOLLOWED BY COLD WIND
CHILLS...WHICH IS IN EFFECT FROM 5 AM FRIDAY TO 5 AM MST
SATURDAY.

* IMPACTS/TIMING: WIND AND SNOW WILL BEGIN FRIDAY MORNING...
  RESULTING IN BLOWING SNOW AND REDUCED VISIBILITIES. GUSTY EAST
  WIND WILL COMBINE WITH DECREASING TEMPERATURES TO CREATE
  HAZARDOUS WIND CHILLS FRIDAY EVENING AND OVERNIGHT.

* SNOW ACCUMULATIONS: LIGHT SNOW ACCUMULATIONS OF 1 TO 2 INCHES.

* WINDS AND WIND CHILLS: EAST WINDS 20 MPH WITH GUSTS TO 35 MPH.
  WIND CHILLS FRIDAY EVENING AND OVERNIGHT -10 TO -15 DEGREES.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...
   MISSION VALLEY...POLSON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING
SNOW AND HAZARDOUS WIND CHILLS WILL CAUSE TRAVEL DIFFICULTIES AND
THE POTENTIAL FOR FROSTBITE TO PEOPLE OUTSIDE. BE PREPARED FOR
SLIPPERY ROADS...LIMITED VISIBILITIES...AND HAZARDOUS WIND
CHILLS.


&&

$$
441 
WWUS45 KMSO 180532
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1032 PM MST THU NOV 17 2011

IDZ010-181345-
/O.EXP.KMSO.WS.W.0018.000000T0000Z-111118T0600Z/
/O.CON.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
EASTERN LEMHI COUNTY-
1032 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM FRIDAY TO
5 AM MST SATURDAY FOR LOST TRAIL PASS...
...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING
ABOVE 6000 FEET...

THE WINTER STORM WARNING ABOVE 6000 FEET WILL EXPIRE AT 11 PM MST
THIS EVENING. A WINTER WEATHER ADVISORY FOR LOST TRAIL PASS
REMAINS IN EFFECT FROM 5 AM FRIDAY TO 5 AM MST SATURDAY. 

* * IMPACTS/TIMING: CONDITIONS WILL CONTINUE TO IMPROVE LATE THIS
  EVENING BUT ANOTHER ROUND OF SNOW IS EXPECTED TO BEGIN FRIDAY
  MORNING AND CONTINUE THROUGH FRIDAY EVENING.

* SNOW ACCUMULATIONS: 5 TO 8 INCHES FROM FRIDAY MORNING THROUGH
  FRIDAY NIGHT.

* 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 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.

&&

$$

IDZ005-006-181345-
/O.CON.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
932 PM PST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
4 AM PST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO
4 AM PST SATURDAY. 

* IMPACTS/TIMING: WIDESPREAD SNOW ACCUMULATIONS WILL RETURN 
  OVERNIGHT AND ESPECIALLY ON FRIDAY CREATING SNOW COVERED AND 
  ICY ROADWAYS. 

* SNOW ACCUMULATIONS: TOTAL 5 TO 8 INCHES BY FRIDAY EVENING.

* 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 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.

&&

$$

MTZ001-181345-
/O.CON.KMSO.WW.Y.0065.111118T0900Z-111119T0600Z/
KOOTENAI/CABINET REGION-
1032 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM
MST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM
MST FRIDAY. 

* IMPACTS/TIMING: ANOTHER ROUND OF ACCUMULATING SNOW IS EXPECTED 
  STARTING TONIGHT AND CONTINUE THROUGH FRIDAY. 

* SNOW ACCUMULATIONS: TOTAL 3 TO 6 INCHES BY FRIDAY EVENING. THE 
  MAIN FOCUS FOR SNOW ACCUMULATIONS WILL BE NEAR TROY AND SOUTH 
  NEAR HIGHWAY 56. 

* WINDS: GUSTY EAST WINDS COULD CAUSE BLOWING AND DRIFTING SNOW 
  ON HIGHWAY 2. 

* 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 AND BLOWING
SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

MTZ003-181345-
/O.CON.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
FLATHEAD/MISSION VALLEYS-
1032 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM FRIDAY TO
5 AM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM FRIDAY TO
5 AM MST SATURDAY. 

* IMPACTS/TIMING: WIND AND SNOW WILL BEGIN FRIDAY MORNING... 
  RESULTING IN BLOWING SNOW AND REDUCED VISIBILITIES. GUSTY EAST 
  WIND WILL COMBINE WITH DECREASING TEMPERATURES TO CREATE 
  HAZARDOUS WIND CHILLS FRIDAY EVENING AND OVERNIGHT. 

* SNOW ACCUMULATIONS: LIGHT SNOW ACCUMULATIONS OF 1 TO 2 INCHES.

* WINDS AND WIND CHILLS: EAST WINDS 20 MPH WITH GUSTS TO 35 MPH. 
  WIND CHILLS FRIDAY EVENING AND OVERNIGHT 10 -TO 15 -DEGREES. 

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...
   MISSION VALLEY...POLSON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING
SNOW AND HAZARDOUS WIND CHILLS WILL CAUSE TRAVEL DIFFICULTIES AND
THE POTENTIAL FOR FROSTBITE TO PEOPLE OUTSIDE. BE PREPARED FOR
SLIPPERY ROADS...LIMITED VISIBILITIES...AND HAZARDOUS WIND
CHILLS.

&&

$$

MTZ004-181345-
/O.CON.KMSO.WW.Y.0065.111118T0900Z-111119T0600Z/
LOWER CLARK FORK REGION-
1032 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM
MST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 11 PM
MST FRIDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL RETURN TO LOOKOUT PASS 
  LATE THIS EVENING AND ALONG THE HIGHWAY 200 AND INTERSTATE 90 
  CORRIDORS OVERNIGHT AND THROUGH FRIDAY. ACCUMULATING SNOW WILL 
  CREATE SNOW COVERED AND ICY ROADWAYS. 

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES IN THE MOUNTAINS 
  INCLUDING LOOKOUT PASS AND 4 TO 7 INCHES LOWER ELEVATIONS BY 
  FRIDAY EVENING. 

* 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 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.

&&

$$

MTZ006-181345-
/O.CON.KMSO.WW.Y.0065.111118T1200Z-111119T1200Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
1032 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM FRIDAY TO
5 AM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM FRIDAY TO
5 AM MST SATURDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL RETURN OVERNIGHT 
  TONIGHT AND WILL CONTINUE THROUGH FRIDAY. SNOW COVERED AND ICY 
  ROAD WILL CREATE TRAVEL IMPACTS OVER LOST TRAIL AND LOLO PASS. 

* SNOW ACCUMULATIONS: TOTAL 6 TO 10 INCHES FRIDAY EVENING.

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

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.

&&

$$

MTZ043-181345-
/O.CON.KMSO.WW.Y.0065.111118T1200Z-111119T0600Z/
POTOMAC/SEELEY LAKE REGION-
1032 PM MST THU NOV 17 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM
MST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM
MST FRIDAY. 

* IMPACTS/TIMING: SNOW WILL BEGIN FRIDAY MORNING WITH 
  ACCUMULATIONS EXPECTED THROUGH FRIDAY EVENING. EAST WIND WILL 
  COMBINE WITH SNOW ON HIGHWAY 200 BETWEEN BONNER AND OVANDO 
  CREATING REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS. 
  COLD WIND CHILLS SHOULD BE EXPECTED ALONG HIGHWAY 200 FRIDAY 
  EVENING AND OVERNIGHT. 

* SNOW ACCUMULATIONS: TOTAL 3 TO 6 INCHES BR FRIDAY EVENING... 
  LOCALLY UP TO 8 INCHES OVER THE HIGHER TERRAIN. 

* WINDS AND WIND CHILLS: EAST WINDS 15 TO 25 MPH WITH GUSTS TO 
  35 MPH ALONG HIGHWAY 200 IN THE AFTERNOON AND EVENING CREATING 
  WIND CHILL VALUES 10 -TO 15 -DEGREES THROUGH FRIDAY NIGHT. 

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING
SNOW AND HAZARDOUS WIND CHILLS WILL CAUSE TRAVEL DIFFICULTIES AND
THE POTENTIAL FOR FROSTBITE TO PEOPLE OUTSIDE. BE PREPARED FOR
SLIPPERY ROADS...LIMITED VISIBILITIES...AND HAZARDOUS WIND
CHILLS.

&&

$$

MTZ002-181345-
/O.CON.KMSO.WC.Y.0006.111118T1200Z-111119T1600Z/
WEST GLACIER REGION-
1032 PM MST THU NOV 17 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM FRIDAY TO 9 AM
MST SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 AM FRIDAY TO 9 AM
MST SATURDAY. 

* IMPACTS/TIMING: TEMPERATURES WILL BEGIN TO QUICKLY DROP FRIDAY 
  MORNING AND WILL COMBINE WITH GUSTY EAST WINDS TO PRODUCE 
  HAZARDOUS WIND CHILLS BY FRIDAY AFTERNOON. 

* WINDS AND WIND CHILLS: STRONG AND GUSTY EAST WINDS 15 TO 20 
  MPH WITH GUSTS TO 30 MPH BEGINNING FRIDAY MORNING AND 
  CONTINUING THROUGH FRIDAY NIGHT. WIND CHILL VALUES 10 -TO 20 -
  DEGREES ARE EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

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 15, 5:44 PM PST, 9 hours 10 minutes earlier.

Area forecast discussion, Nov 15, 5:44 PM PST, 9 hours 10 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MISSOULA MT
644 PM MST TUE NOV 15 2011

.UPDATE...ISSUED SNOW ADVISORIES FOR BUTTE/BLACKFOOT REGION AND
PRIMARILY BITTERROOT VALLEY.

&&

.DISCUSSION...SEVERAL SNOW BANDS CONTINUE TO AFFECT PORTIONS OF
WEST CENTRAL MONTANA THIS EVENING. WITH THE SETTING OF THE
SUN...THE SNOW IS BEGINNING TO ACCUMULATE ON ROADWAYS CAUSING HAZARDOUS
DRIVING CONDITIONS. THE I-90 CORRIDOR BETWEEN ANACONDA TO GARRISON
JUNCTION...HIGHWAY 1 FROM PHILIPSBURG TO GEORGETOWN LAKE AND
HIGHWAY 93 FROM LOLO TO HAMILTON WILL BE THE PRIMARY ROADS BEING
AFFECTED BY THESE BANDS. THE SNOW IS EXPECTED TO DIMINISH
THROUGHOUT THE EVENING HOURS...BUT SLICK CONDITIONS COULD PERSIST
THROUGH THE WEDNESDAY MORNING COMMUTE.

&&

.AVIATION...SNOW SHOWERS WILL LINGER ACROSS NORTHWEST MONTANA AND
NORTH-CENTRAL IDAHO INTO THE EARLY EVENING HOURS. OCCASIONAL
LOWERED CEILING AND VISIBILITY WILL RESULT...ALONG WITH AREAS OF
MOUNTAIN OBSCURATION. SHOWERS WILL DECREASE LATER TONIGHT BUT
PATCHY FOG MAY BE A PROBLEM IN THE RIVER VALLEYS.

&&

.PREV DISCUSSION... /ISSUED 231 PM MST TUE NOV 15 2011/

..STRONG STORM TO MOVE THROUGH WEDNESDAY NIGHT AND THURSDAY...

DISCUSSION...SNOW SHOWERS WILL CONTINUE THROUGH EARLY EVENING FOR
MANY AREAS AS A WEAK DISTURBANCE MOVES SOUTH ALONG THE
CONTINENTAL DIVIDE. WITH CLEARING EXPECTED BY MIDNIGHT...HAVE
FORECAST PATCHY FOG FOR WEDNESDAY MORNING FOR MOST VALLEY AREAS.
VALLEY INVERSIONS WILL BE STRONG WEDNESDAY MORNING WITH INCREASING
CLOUDS ABOVE. WITH THIS SCENARIO HAVE LOWERED HIGH TEMPERATURES
FOR WEDNESDAY FOR INVERTED VALLEY AREAS.

LATE WEDNESDAY THROUGH MIDDAY THURSDAY A COMPLEX STORM OF
PACIFIC ORIGIN WILL MOVE THROUGH THE REGION. THE LEADING WARM
FRONT WILL BRING STRONG WINDS AND HEAVY PRECIPITATION TO PORTIONS
OF THE AREA ALONG WITH WARMING TEMPERATURES AND RISING SNOW LEVELS
FOR WEDNESDAY NIGHT. A COLD FRONT WILL THEN FOLLOW THE STORM WITH
PRECIPITATION CHANGING BACK TO SNOW AND DECREASING BY THURSDAY
AFTERNOON. CONFIDENCE IS HIGH ON THE FORECAST OF INCREASING WIND
AND AREAS OF HEAVY PRECIPITATION. ONE AREA THE FORECAST WILL BE
MORE DIFFICULT IS DETERMINING WHEN LOWER ELEVATIONS WILL MIX WITH
OR TURN TO RAIN...OR IF COLD AIR WILL REMAIN IN PLACE AND LEAD TO
FREEZING PRECIPITATION. CONFIDENCE IS ONLY MODERATE AT BEST ON THE
DETAILS OF PRECIPITATION TYPE AND SNOW AMOUNTS IN THOSE AREAS.

MODELS ARE COMING INTO GOOD AGREEMENT THAT THE FIRST ARCTIC
INTRUSION OF THIS WINTER SEASON WILL BEGIN ON FRIDAY...LASTING
THROUGH THE WEEKEND. WITH THE SURFACE FRONT PUSHING THROUGH FROM
THE NORTH BEGINNING LATE FRIDAY AND MOISTURE STREAMING INTO THE
REGION ON UPPER LEVEL SOUTHWEST FLOW...A COLD BLUSTERY FRIDAY
AFTERNOON AND EVENING SHOULD BE ANTICIPATED WITH TRAVEL IMPACTS
OVER MOUNTAIN PASSES AND MANY VALLEYS. STRONG BLUSTERY WINDS AND
BLOWING SNOW WILL LAST THROUGH MID MORNING SATURDAY. THE FRONT IS
EXPECTED TO STALL FROM LOLO PASS THROUGH SOUTHWEST MONTANA BY
EARLY SATURDAY AND THE PRESSURE GRADIENT WILL WEAKEN...LESSENING
THE WINDS. MOISTURE WILL REMAIN OVER THE REGION SO LIGHT SNOW
SHOWERS ARE EXPECTED THROUGH SATURDAY AND SUNDAY. TEMPERATURES
THROUGH THE WEEKEND WILL BE QUITE COLD WITH HIGHS ONLY IN THE
TEENS AND LOW 20S WITH LOWS IN THE SINGLE DIGITS. THE START OF
NEXT WEEK WILL SEE SOME MODERATING OF TEMPERATURES AND SOME DRIER
CONDITIONS. BY MID WEEK ANOTHER LARGE PACIFIC SYSTEM WILL BE
MOVING TOWARD WESTERN MONTANA.

AVIATION...SNOW SHOWERS WILL LINGER ACROSS NORTHWEST MONTANA AND
NORTH-CENTRAL IDAHO INTO THE EARLY EVENING HOURS. OCCASIONAL
LOWERED CEILING AND VISIBILITY WILL RESULT...ALONG WITH AREAS OF
MOUNTAIN OBSCURATION. SHOWERS WILL DECREASE LATER TONIGHT BUT
PATCHY FOG MAY BE A PROBLEM IN THE RIVER VALLEYS.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...     WINTER WEATHER ADVISORY UNTIL 8 AM MST WEDNESDAY
     MISSOULA/BITTERROOT VALLEYS.

     WINTER STORM WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
     AFTERNOON BITTERROOT/SAPPHIRE MOUNTAINS...LOWER CLARK FORK
     REGION.

     WINTER STORM WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
     AFTERNOON WEST GLACIER REGION.

     WINTER STORM WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
     AFTERNOON KOOTENAI/CABINET REGION.

     WINTER WEATHER ADVISORY UNTIL 8 AM MST WEDNESDAY BUTTE/BLACKFOOT
     REGION.

ID...HIGH WIND WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
     MORNING OROFINO/GRANGEVILLE REGION.

     WINTER STORM WATCH FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
     AFTERNOON ABOVE 4000 FEET FOR THE NORTHERN CLEARWATER
     MOUNTAINS...SOUTHERN CLEARWATER MOUNTAINS.

&&

SHORT TERM...SMITH
LONG TERM....GIBSON
AVIATION...KOLATA

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 2:45 AM PSTHigh Wind WarningMSOClearwater, Idaho28 hr
Nov 16, 10:38 AM PSTWind AdvisoryMSOIdaho20 hr
Nov 15, 5:35 PM PSTWinter Weather AdvisoryMSODeer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow9 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.