Alert archive / Montana / Winter Storm Warnings in 2012

Winter Storm Warning 2, NWS Missoula, MT

February 21, 20127 counties in Montana; Idaho County, Lemhi County, Idaho

NWS Missoula, MT issued this winter storm warning at Feb 21, 2012, 3:46 AM MST for 7 counties in Montana; Idaho County, Lemhi County, Idaho. It was in force for 48 hr. 30 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
Feb 21, 2012, 3:46 AM MST (10:46 UTC)
Expired
Feb 23, 2012, 3:27 AM MST
In force
48 hr
Issued by
NWS Missoula, MT

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

The radar

The Missoula radar (KMSX), 40 km from the middle of the area, began a volume at 10:45 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
Feb 21, 6:12 AM MSTSNOW 47 Wnw Saltese, MT24 HOUR SNOWFALL TOTAL AT BASE OF LOOKOUT PASS SKI RESORT 4500 FT.
Feb 21, 6:25 AM MSTSNOW 311 N Missoula, MT24 HOUR SNOWFALL AT THE BASE OF SNOWBOWL SKI RESORT WHICH IS AT 5000 FT. 4 INCHES FELL AT THE SUMMIT WHICH IS AT 7600 FT.
Feb 21, 6:30 AM MSTSNOW 2.51 Wnw Columbia Falls, MT24 HOUR SNOWFALL. 0.18 INCHES WATER EQUIVALENT.
Feb 21, 6:45 AM MSTSNOW 3.33 Ene Bigfork, MT24 HOUR SNOWFALL. 0.22 INCHES WATER EQUIVALENT. SNOW DEPTH WAS 7 INCHES.
Feb 21, 7:00 AM MSTSNOW 1.11 Se Marion, MT24 HOUR SNOWFALL. 0.04 INCHES WATER EQUIVALENT. SNOW DEPTH WAS 13 INCHES.
Feb 21, 7:00 AM MSTSNOW 1.54 Ne Ronan, MT24 HOUR SNOWFALL. 0.10 INCHES WATER EQUIVALENT.
Feb 21, 7:15 AM MSTSNOW 21 Ne Missoula, MT
Feb 21, 7:30 AM MSTSNOW 1.328 Ssw Libby, MT24 HOUR SNOWFALL. 0.12 INCHES OF WATER EQUIVALENT. SNOW DEPTH WAS 11 INCHES.
Feb 21, 7:30 AM MSTSNOW 2.57 S Columbia Falls, MT24 HOUR SNOWFALL. 0.19 INCHES WATER EQUIVALENT. SNOW DEPTH WAS 7 INCHES.
Feb 21, 7:40 AM MSTSNOW 5Seeley Lake, MT
Feb 21, 7:45 AM MSTHEAVY SNOW 6Condon, MT
Feb 21, 7:50 AM MSTSNOW 31 S Clinton, MT
Feb 21, 7:56 AM MSTSNOW 24 S Missoula, MT
Feb 21, 8:00 AM MSTSNOW 3Olney, MT24 HOUR SNOWFALL. 0.42 INCHES OF PRECIPITATION. SNOW DEPTH WAS 23 INCHES. ELEVATION 3165 FT.
Feb 21, 8:00 AM MSTSNOW 3.51 Ese Whitefish, MT24 HOUR SNOWFALL. 0.28 INCHES OF WATER EQUIVALENT. SNOW DEPTH WAS 13 INCHES.
Feb 21, 8:00 AM MSTSNOW 4.1Swan Lake, MT24 HOUR SNOWFALL. 0.20 INCHES OF PRECIPITATION. SNOW DEPTH WAS 16 INCHES. ELEVATION 3270 FT.
Feb 21, 8:00 AM MSTSNOW 4.3Powell, ID24 HOUR SNOWFALL. 0.63 INCHES OF PRECIPITATION. SNOW DEPTH WAS 37 INCHES. ELEVATION 3530 FT.
Feb 21, 8:00 AM MSTHEAVY SNOW 10.11 N Dixie, ID24 HOUR SNOWFALL. 0.48 INCHES LIQUID EQUIVALENT. SNOW DEPTH WAS 55 INCHES. ELEVATION 5740 FT.
Feb 21, 8:15 AM MSTSNOW 21 Wsw Rollins, MT24 HOUR SNOWFALL. 0.09 INCHES WATER EQUIVALENT.
Feb 21, 8:23 AM MSTSNOW 3Lolo, MT
Feb 21, 8:33 AM MSTSNOW 2Polson, MT
Feb 21, 9:34 AM MSTSNOW 4Evaro, MT
Feb 21, 10:30 AM MSTSNOW 4Lolo, MT
Feb 21, 10:40 AM MSTSNOW 75 N Whitefish, MT24 HOUR SNOWFALL FOR WHITEFISH MTN SKI RESORT FOR THE VILLAGE WHICH IS AT 4464 FT.
Feb 21, 11:00 AM MSTSNOW 214 Ne Sula, MT24 HOUR SNOWFALL. 0.13 INCHES OF PRECIPITATION. SNOW DEPTH WAS 19 INCHES. ELEVATION 5160 FT.
Feb 21, 2:00 PM MSTSNOW 1Trout Creek, MT24 HOUR SNOWFALL. 0.30 INCHES OF PRECIPITATION. SNOW DEPTH WAS 8 INCHES. ELEVATION 2356 FT.
Feb 21, 2:00 PM MSTSNOW 4.3Seeley Lake, MT24 HOUR SNOWFALL. 0.26 INCHES OF PRECIPITATION. SNOW DEPTH WAS 23 INCHES. ELEVATION 4100 FT.
Feb 22, 12:00 AM MSTSNOW 1.96 Nw Missoula, MTTOTAL STORM SNOWFALL FOR THE PAST 48 HOURS. SNOW DEPTH WAS 3 INCHES. LOCATION AT THE MISSOULA INTERNATIONAL AIRPORT. ELEVATION OF 3199 FT.
Feb 22, 5:00 AM MSTHEAVY SNOW 14Lost Trail Pass, MTLOST TRAIL SKI RESORT 12 HOUR SNOWFALL FOR THE LODGE WHICH IS AT 7000 FT.
Feb 22, 7:59 PM MSTSNOW 1.56 Nw Missoula, MTSNOW BEGAN AT 320 PM AT MISSOULA INTERNATIONAL AIRPORT AT 3199 FT.

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, 10.8 hours before the alert went out and 185 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 2012-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 2012-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939587897117136Sfc1 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
4 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
125 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.

745 
WWUS45 KMSO 211046
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
346 AM MST TUE FEB 21 2012

.AN IMPRESSIVE WINTER STORM SYSTEM WILL BE IMPACTING THE NORTHERN
ROCKIES REGION DURING THE NEXT FEW DAYS. INITIALLY...A STEADY
INFLUX OF PACIFIC MOISTURE WILL BRING ACCUMULATING SNOWFALL TO THE
HIGHER TERRAIN...INCLUDING THE MOUNTAIN PASSES. THEN THE
ATMOSPHERE WILL WARM SIGNIFICANTLY...PUSHING THE SNOW LEVELS MUCH
HIGHER LATER TODAY AND TONIGHT...WITH SNOW ENDING AND ROAD
CONDITIONS IMPROVING OVER THE MOUNTAIN PASSES. HOWEVER...STRONG
WINDS WILL BE DEVELOPING AFTER MIDNIGHT TONIGHT AND EARLY
WEDNESDAY MORNING WITH POTENTIAL WIND GUSTS TO 60 MPH. ON
WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN. THE
COMBINATION OF ACCUMULATING SNOW AND STRONG WEST WINDS OVER THE
MOUNTAINS PASSES WILL CREATE CONSIDERABLE BLOWING AND DRIFTING OF
SNOW AND LOCAL WHITEOUT CONDITIONS INTO WEDNESDAY NIGHT.


MTZ002-211900-
/O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T0600Z/
/O.NEW.KMSO.WS.W.0002.120221T1046Z-120223T0000Z/
WEST GLACIER REGION-
346 AM MST TUE FEB 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE
5000 FEET FOR...MARIAS PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND STRONG WINDS ABOVE 5000 FEET...WHICH
IS IN EFFECT UNTIL 5 PM MST WEDNESDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE
  TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG
  WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP TO
  60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE
  LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...CREATING
  CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT
  CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY
  HAZARDOUS ON WEDNESDAY.

* SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 
  15 INCHES OVER THE HIGHER TERRAIN. 

* WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER
  TONIGHT AND INTO WEDNESDAY.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ006-MTZ006-211900-
/O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/
/O.NEW.KMSO.WS.W.0002.120221T1046Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
346 AM MST TUE FEB 21 2012 /246 AM PST TUE FEB 21 2012/

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST /4 AM PST/
THURSDAY ABOVE 5000 FEET...LOLO PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND STRONG WINDS ABOVE 5000 FEET...WHICH
IS IN EFFECT UNTIL 5 AM MST /4 AM PST/ THURSDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY THIS
  EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH
  POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON
  WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG
  WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND
  DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET.
  TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON
  WEDNESDAY.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN.  

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND
  WEDNESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING.
STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY
HAZARDOUS LEADING UP TO AND OVER LOLO PASS.

&&

$$

MTZ004-211900-
/O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T0600Z/
/O.NEW.KMSO.WS.W.0002.120221T1046Z-120223T1200Z/
LOWER CLARK FORK REGION-
346 AM MST TUE FEB 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY FOR
LOOKOUT PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND STRONG WINDS FOR LOOKOUT PASS...WHICH
IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER
  THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN
  HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL
  GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...SNOW
  LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS
  CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW
  AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL
  CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY
  WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT.

* SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING
  WEDNESDAY AND WEDNESDAY NIGHT.

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND
  WEDNESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ010-211900-
/O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/
EASTERN LEMHI COUNTY-
346 AM MST TUE FEB 21 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS
AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS...

A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM
2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. 

* IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE
  THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS
  AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY
  IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND
  EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR
  WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH
  WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY
  HAZARDOUS ON WEDNESDAY.

* SNOW ACCUMULATIONS: UP TO 12 INCHES.

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
11 follow-up statements
421 
WWUS45 KMSO 211339
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
639 AM MST TUE FEB 21 2012

.AN IMPRESSIVE WINTER STORM SYSTEM WILL BE IMPACTING THE NORTHERN
ROCKIES REGION DURING THE NEXT FEW DAYS. INITIALLY...A STEADY
INFLUX OF PACIFIC MOISTURE WILL BRING ACCUMULATING SNOWFALL TO
THE HIGHER TERRAIN...INCLUDING THE MOUNTAIN PASSES. THEN THE
ATMOSPHERE WILL WARM SIGNIFICANTLY...PUSHING THE SNOW LEVELS MUCH
HIGHER LATER TODAY AND TONIGHT...WITH SNOW ENDING AND ROAD
CONDITIONS IMPROVING OVER THE MOUNTAIN PASSES. HOWEVER...STRONG
WINDS WILL BE DEVELOPING AFTER MIDNIGHT TONIGHT AND EARLY
WEDNESDAY MORNING WITH POTENTIAL WIND GUSTS TO 60 MPH. ON
WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN. THE
COMBINATION OF ACCUMULATING SNOW AND STRONG WEST WINDS OVER THE
MOUNTAINS PASSES WILL CREATE CONSIDERABLE BLOWING AND DRIFTING OF
SNOW AND LOCAL WHITEOUT CONDITIONS INTO WEDNESDAY NIGHT.

MTZ002-212145-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/
WEST GLACIER REGION-
639 AM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 PM MST WEDNESDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG 
  WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP 
  TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE 
  LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING...
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME 
  EXTREMELY HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 
  15 INCHES OVER THE HIGHER TERRAIN. 

* WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER 
  TONIGHT AND INTO WEDNESDAY. 

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ006-MTZ006-212145-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
639 AM MST TUE FEB 21 2012 /539 AM PST TUE FEB 21 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY 
  THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT 
  WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON 
  WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH 
  STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING 
  AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 
  FEET. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY 
  HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND 
  WEDNESDAY NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...OR ICE ACCUMULATIONS ARE EXPECTED OR OCCURRING.
STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY
HAZARDOUS LEADING UP TO AND OVER LOLO PASS.

&&

$$

MTZ004-212145-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
639 AM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER 
  THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN 
  HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL 
  GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY...
  SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS 
  CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF 
  SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL 
  CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY 
  WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING 
  WEDNESDAY AND WEDNESDAY NIGHT. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND 
  WEDNESDAY NIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ005-211800-
/O.NEW.KMSO.WW.Y.0016.120221T1339Z-120221T1800Z/
MISSOULA/BITTERROOT VALLEYS-
639 AM MST TUE FEB 21 2012

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

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST
THIS MORNING.

* IMPACTS/TIMING: SNOW...MODERATE AT TIMES THIS MORNING WILL BE
  CHANGING TO RAIN BY THIS AFTERNOON. SNOW AND SLUSH ON ROADWAYS
  WAS MAKING FOR SOME SLICK ROAD SURFACES THIS MORNING.  

* SNOW ACCUMULATIONS: 1 TO 2 INCHES THIS MORNING. 

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.

&&

$$

IDZ010-212145-
/O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/
EASTERN LEMHI COUNTY-
639 AM MST TUE FEB 21 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS
AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS...

A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM
2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. 

* IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE 
  THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS 
  AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY 
  IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND 
  EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR 
  WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH 
  WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY 
  HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: UP TO 12 INCHES.

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
067 
WWUS45 KMSO 211410
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
710 AM MST TUE FEB 21 2012


MTZ002-212200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/
WEST GLACIER REGION-
710 AM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 PM MST WEDNESDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG 
  WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP 
  TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE 
  LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME 
  EXTREMELY HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 
  15 INCHES OVER THE HIGHER TERRAIN. 

* WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER 
  TONIGHT AND INTO WEDNESDAY. 

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY.

&&

$$

IDZ006-MTZ006-212200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
710 AM MST TUE FEB 21 2012 /610 AM PST TUE FEB 21 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY 
  THIS EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT 
  WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON 
  WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH 
  STRONG WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING 
  AND DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 
  FEET. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY 
  HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND
  WEDNESDAY NIGHT.

&&

$$

MTZ004-212200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
710 AM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER 
  THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN 
  HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL 
  GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY... 
  SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS 
  CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF 
  SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL 
  CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY 
  WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING 
  WEDNESDAY AND WEDNESDAY NIGHT. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND
  WEDNESDAY NIGHT.

&&

$$

IDZ008-211700-
/O.EXB.KMSO.WW.Y.0016.000000T0000Z-120221T1700Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
610 AM PST TUE FEB 21 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING
FOR...WHITE BIRD GRADE...

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

* IMPACTS/TIMING: SNOW...MODERATE AT TIMES THIS MORNING...WILL BE
  CHANGING TO RAIN BY THIS AFTERNOON. SNOW AND SLUSH ON ROADWAYS
  WAS MAKING FOR DIFFICULT DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 1 TO 2 INCHES THIS MORNING.

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.

&&

$$

MTZ005-211800-
/O.CON.KMSO.WW.Y.0016.000000T0000Z-120221T1800Z/
MISSOULA/BITTERROOT VALLEYS-
710 AM MST TUE FEB 21 2012

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

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

* IMPACTS/TIMING: SNOW...MODERATE AT TIMES THIS MORNING WILL BE 
  CHANGING TO RAIN BY THIS AFTERNOON. SNOW AND SLUSH ON ROADWAYS 
  WAS MAKING FOR SOME SLICK ROAD SURFACES THIS MORNING. 

* SNOW ACCUMULATIONS: 1 TO 2 INCHES THIS MORNING.

&&

$$

IDZ010-212200-
/O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/
EASTERN LEMHI COUNTY-
710 AM MST TUE FEB 21 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS
AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS...

A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM
2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. 

* IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE 
  THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS 
  AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY 
  IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND 
  EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR 
  WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH 
  WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY 
  HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: UP TO 12 INCHES.

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.


&&

$$
688 
WWUS45 KMSO 211624 AAA
WSWMSO

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MISSOULA MT
924 AM MST TUE FEB 21 2012

MTZ005-211730-
/O.CAN.KMSO.WW.Y.0016.000000T0000Z-120221T1800Z/
MISSOULA/BITTERROOT VALLEYS-
924 AM MST TUE FEB 21 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

THREATS FOR HAZARDOUS DRIVING HAVE DIMINISHED DUE TO IMPROVING
ROAD CONDITIONS AND MUCH LIGHTER SNOW SHOWERS. THE WINTER WEATHER
ADVISORY HAS BEEN CANCELLED.

$$

IDZ008-211730-
/O.CAN.KMSO.WW.Y.0016.000000T0000Z-120221T1700Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
824 AM PST TUE FEB 21 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

THREATS FOR HAZARDOUS DRIVING HAVE DIMINISHED DUE TO IMPROVING
ROAD CONDITIONS AND MUCH LIGHTER SNOW SHOWERS. THE WINTER WEATHER
ADVISORY HAS BEEN CANCELLED.

$$

MTZ002-212200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/
WEST GLACIER REGION-
924 AM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 PM MST WEDNESDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE BY THIS EVENING. STRONG 
  WEST WINDS WILL BE DEVELOPING TONIGHT WITH POTENTIAL GUSTS UP 
  TO 60 MPH OVER MARIAS PASS. ON WEDNESDAY...SNOW LEVELS WILL BE 
  LOWERING ONCE AGAIN WITH STRONG WEST WINDS CONTINUING... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME 
  EXTREMELY HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 
  15 INCHES OVER THE HIGHER TERRAIN. 

* WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER 
  TONIGHT AND INTO WEDNESDAY. 

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY.

&&

$$

IDZ006-MTZ006-212200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
924 AM MST TUE FEB 21 2012 /824 AM PST TUE FEB 21 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL BY THIS
  EVENING. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH
  POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON
  WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG
  WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND
  DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET.
  TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON
  WEDNESDAY.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND 
  WEDNESDAY NIGHT. 

&&

$$

MTZ004-212200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
924 AM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY...BEFORE 
  TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE PASS LEVEL LATER 
  THIS AFTERNOON. TONIGHT...SNOW WILL LIKELY CHANGE OVER TO RAIN 
  HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH POTENTIAL 
  GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON WEDNESDAY... 
  SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG WEST WINDS 
  CONTINUING...CREATING CONSIDERABLE BLOWING AND DRIFTING OF 
  SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT PASS. TRAVEL 
  CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY 
  WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING 
  WEDNESDAY AND WEDNESDAY NIGHT. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND 
  WEDNESDAY NIGHT. 

&&

$$

IDZ010-212200-
/O.CON.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/
EASTERN LEMHI COUNTY-
924 AM MST TUE FEB 21 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM 2 PM MST THIS
AFTERNOON THROUGH LATE WEDNESDAY NIGHT FOR LOST TRAIL PASS...

A WINTER STORM WATCH FOR LOST TRAIL PASS REMAINS IN EFFECT FROM
2 PM MST THIS AFTERNOON THROUGH LATE WEDNESDAY NIGHT. 

* IMPACTS/TIMING: LIGHT SNOW IS EXPECTED TODAY AND CONTINUE 
  THROUGH WEDNESDAY EVENING. HOWEVER TRAVEL OVER LOST TRAIL PASS 
  AND THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY 
  IMPACTED UNTIL STRONG WINDS DEVELOP LATER THIS AFTERNOON AND 
  EVENING. BLOWING SNOW WILL LIKELY REDUCE VISIBILITY TO NEAR 
  WHITE OUT CONDITIONS AT TIMES WEDNESDAY MORNING THROUGH 
  WEDNESDAY EVENING. TRAVEL CONDITIONS MAY BECOME EXTREMELY 
  HAZARDOUS ON WEDNESDAY. 

* SNOW ACCUMULATIONS: UP TO 12 INCHES.

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$
000 
WWUS45 KMSO 212037
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
137 PM MST TUE FEB 21 2012

IDZ010-221200-
/O.UPG.KMSO.WS.A.0002.120221T2100Z-120223T1200Z/
/O.EXB.KMSO.WS.W.0002.120221T2100Z-120223T1200Z/
EASTERN LEMHI COUNTY-
137 PM MST TUE FEB 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM MST THURSDAY FOR
LOST TRAIL PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW...BLOWING SNOW AND HIGH WINDS FOR LOST TRAIL
PASS... WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* IMPACTS/TIMING: PERIODS OF SNOW AND SLICK ROADS CAN BE EXPECTED
  THROUGH WEDNESDAY NIGHT. HOWEVER TRAVEL OVER LOST TRAIL PASS AND
  THE HIGHER TERRAIN IS NOT EXPECTED TO BE SIGNIFICANTLY IMPACTED
  UNTIL STRONG WINDS DEVELOP TONIGHT. BLOWING SNOW WILL LIKELY
  REDUCE VISIBILITY TO NEAR WHITE OUT CONDITIONS AT
  TIMES...ESPECIALLY LATE TONIGHT THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS: UP TO 12 INCHES.

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO UP 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-221200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/
WEST GLACIER REGION-
137 PM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY ABOVE 5000 FEET FOR...MARIAS PASS...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 PM MST WEDNESDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE INTO EARLY THIS
  EVENING...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE
  PASS LEVEL BEFORE MIDNIGHT. STRONG WEST WINDS WILL BE DEVELOPING
  TONIGHT WITH POTENTIAL GUSTS UP TO 60 MPH OVER MARIAS PASS. ON
  WEDNESDAY...SNOW LEVELS WILL BE LOWERING AND TEMPERATURES
  FALLING WITH STRONG WEST WINDS CONTINUING...CREATING
  CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT
  CONDITIONS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY
  HAZARDOUS ON WEDNESDAY.

* SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 
  15 INCHES OVER THE HIGHER TERRAIN. 

* WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH LATER 
  TONIGHT AND INTO WEDNESDAY. 

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY.

&&

$$

IDZ006-MTZ006-221200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
137 PM MST TUE FEB 21 2012 /1237 PM PST TUE FEB 21 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE INTO EARLY THIS
  EVENING...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE
  PASS LEVEL. STRONG WEST WINDS WILL BE DEVELOPING TONIGHT WITH
  POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON
  WEDNESDAY...SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG
  WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND
  DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET.
  TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS ON
  WEDNESDAY.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND 
  WEDNESDAY NIGHT. 

&&

$$

MTZ004-221200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
137 PM MST TUE FEB 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE INTO EARLY THIS
  EVENING...BEFORE TEMPERATURES WARM AND SNOW LEVELS RISE ABOVE
  PASS LEVEL. HOWEVER STRONG WEST WINDS WILL BE DEVELOPING WITH
  POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. ON
  WEDNESDAY... SNOW LEVELS WILL BE LOWERING ONCE AGAIN WITH STRONG
  WEST WINDS CONTINUING...CREATING CONSIDERABLE BLOWING AND
  DRIFTING OF SNOW AND LOCAL WHITEOUT CONDITIONS OVER LOOKOUT
  PASS. TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY
  HAZARDOUS BY WEDNESDAY AFTERNOON AND OVERNIGHT WEDNESDAY NIGHT.

* SNOW ACCUMULATIONS: 10 TO 15 INCHES...THE BULK OF IT FALLING 
  WEDNESDAY AND WEDNESDAY NIGHT. 

* WINDS: BECOMING 25 TO 40 MPH WEDNESDAY...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES WEDNESDAY AND 
  WEDNESDAY NIGHT. 

&&

$$
648 
WWUS45 KMSO 221028
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
328 AM MST WED FEB 22 2012

MTZ002-222200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/
WEST GLACIER REGION-
328 AM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON ABOVE 5000 FEET FOR...MARIAS PASS...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 PM MST THIS AFTERNOON. 

* IMPACTS/TIMING: STRONG WEST WINDS WILL BE DEVELOPING THIS
  MORNING WITH POTENTIAL GUSTS UP TO 60 MPH OVER MARIAS PASS. SNOW
  LEVELS AND TEMPERATURES WILL BE LOWERING AS WEST WINDS
  INCREASE... CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW
  AND LOCAL WHITEOUT CONDITIONS TODAY. TRAVEL CONDITIONS ARE
  EXPECTED TO BECOME EXTREMELY HAZARDOUS BY LATE MORNING.

* SNOW ACCUMULATIONS: 10 TO 12 INCHES OVER MARIAS PASS...UP TO 
  15 INCHES OVER THE HIGHER TERRAIN. 

* WINDS: INCREASING 25 TO 40 MPH WITH GUSTS TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES THIS AFTERNOON.

&&

$$

IDZ006-MTZ006-222200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
328 AM MST WED FEB 22 2012 /228 AM PST WED FEB 22 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS WILL BE DEVELOPING THIS
  MORNING WITH POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER
  TERRAIN. THE COMBINATION OF WINDS AND LOWERING SNOW LEVELS
  LOWERING WILL CREATE CONSIDERABLE BLOWING AND DRIFTING OF SNOW
  AND LOCAL WHITEOUT CONDITIONS ABOVE 5000 FEET BY THIS AFTERNOON.
  TRAVEL CONDITIONS ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY
  AFTERNOON.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 60 MPH TODAY.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES THIS AFTERNOON
  AND TONIGHT.

&&

$$

MTZ004-222200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
328 AM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS WILL BE DEVELOPING WITH
  POTENTIAL GUSTS UP TO 60 MPH OVER THE HIGHER TERRAIN. THE
  COMBINATION OF WIND AND LOWERING SNOW LEVELS WILL CREATE
  CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT
  CONDITIONS OVER LOOKOUT PASS BY LATE MORNING. TRAVEL CONDITIONS
  ARE EXPECTED TO BECOME EXTREMELY HAZARDOUS BY THIS AFTERNOON AND
  CONTINUE TONIGHT.

* SNOW ACCUMULATIONS: 10 TO 15 INCHES.

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 60 MPH TODAY.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES TODAY AND
  TONIGHT.

&&

$$

IDZ010-222200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
EASTERN LEMHI COUNTY-
328 AM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR LOST TRAIL PASS...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: PERIODS OF SNOW AND SLICK ROADS CAN BE EXPECTED
  THROUGH TONIGHT. STRONG WINDS WILL BE DEVELOPING WITH POTENTIAL
  GUSTS UP TO 55 MPH OVER THE HIGHER TERRAIN TODAY. BLOWING SNOW
  WILL LIKELY REDUCE VISIBILITY TO NEAR WHITEOUT CONDITIONS AT
  TIMES.

* SNOW ACCUMULATIONS: UP TO 12 INCHES.

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO UP 55 MPH TODAY.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

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

&&

$$
830 
WWUS45 KMSO 222146
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
246 PM MST WED FEB 22 2012

MTZ002-230000-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/
WEST GLACIER REGION-
246 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON ABOVE 5000 FEET FOR...MARIAS PASS...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 PM MST THIS AFTERNOON. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW WILL
  CONTINUE OVER MARIAS PASS THROUGH LATE THIS AFTERNOON...CREATING
  CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT
  CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT
  AT TIMES THROUGH THIS EVENING.

* SNOW ACCUMULATIONS: 10 TO 15 INCHES STORM TOTAL.

* WINDS: 25 TO 40 MPH WITH GUSTS TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

IDZ006-MTZ006-230600-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
246 PM MST WED FEB 22 2012 /146 PM PST WED FEB 22 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW WILL
  CONTINUE OVER LOLO PASS THROUGH LATE THIS AFTERNOON...CREATING
  CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT
  CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT
  AT TIMES THROUGH TONIGHT.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

MTZ004-230600-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
246 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW WILL
  CONTINUE OVER LOOKOUT PASS THROUGH LATE THIS AFTERNOON...CREATING
  CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT
  CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT
  AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES STORM TOTAL OVER LOOKOUT
  PASS...6 TO 8 INCHES BELOW LOOKOUT PASS.

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

IDZ010-230600-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
EASTERN LEMHI COUNTY-
246 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR LOST TRAIL PASS...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW WILL
  CONTINUE OVER LOST TRAIL PASS THROUGH LATE THIS AFTERNOON...
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL
  BE PRESENT AT TIMES THROUGH TONIGHT.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES STORM TOTAL OVER LOST TRAIL
  PASS.

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

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

&&

$$
396 
WWUS45 KMSO 222353
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
453 PM MST WED FEB 22 2012

MTZ002-230600-
/O.CAN.KMSO.WS.W.0002.000000T0000Z-120223T0000Z/
/O.NEW.KMSO.WW.Y.0017.120222T2353Z-120223T0600Z/
WEST GLACIER REGION-
453 PM MST WED FEB 22 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING
ABOVE 5000 FEET...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW ABOVE 5000 FEET...
WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE WINTER STORM
WARNING HAS BEEN ALLOWED TO EXPIRE. 


* IMPACTS/TIMING: STRONG WEST WINDS AND HEAVY SNOW SHOWERS WILL
  CONTINUE OVER WESTERN MONTANA THROUGH THIS EVENING... CREATING
  CONSIDERABLE BLOWING SNOW AND LOCAL WHITEOUT CONDITIONS AT
  TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT AT TIMES
  THROUGH THIS EVENING.

* SNOW ACCUMULATIONS: 1 TO 2 INCHES.

* WINDS: 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

IDZ006-MTZ006-230800-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
453 PM MST WED FEB 22 2012 /353 PM PST WED FEB 22 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOLO PASS THROUGH LATE THIS AFTERNOON... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

MTZ004-230800-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
453 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOOKOUT PASS THROUGH LATE THIS AFTERNOON... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES STORM TOTAL OVER LOOKOUT 
  PASS...6 TO 8 INCHES BELOW LOOKOUT PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

IDZ010-230800-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
EASTERN LEMHI COUNTY-
453 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR LOST TRAIL PASS...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOST TRAIL PASS THROUGH LATE THIS 
  AFTERNOON... CREATING CONSIDERABLE BLOWING AND DRIFTING OF 
  SNOW AND LOCAL WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL 
  CONDITIONS WILL BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES STORM TOTAL OVER LOST TRAIL 
  PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

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

&&

$$

MTZ003-005-007-043-230600-
/O.NEW.KMSO.WW.Y.0017.120222T2353Z-120223T0600Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
453 PM MST WED FEB 22 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING
ABOVE 5000 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW ABOVE 5000 FEET...
WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. 

* IMPACTS/TIMING: STRONG WEST WINDS AND HEAVY SNOW SHOWERS WILL
  CONTINUE OVER WESTERN MONTANA THROUGH THIS EVENING... CREATING
  CONSIDERABLE BLOWING SNOW AND LOCAL WHITEOUT CONDITIONS AT
  TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT AT TIMES
  THROUGH THIS EVENING.

* SNOW ACCUMULATIONS: 1 TO 2 INCHES.

* WINDS: 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...
   MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA...
  BUTTE... GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...
  MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 
  SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.


&&

$$
443 
WWUS45 KMSO 230110
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
610 PM MST WED FEB 22 2012

IDZ006-MTZ006-230915-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
610 PM MST WED FEB 22 2012 /510 PM PST WED FEB 22 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOLO PASS THROUGH LATE THIS AFTERNOON... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

MTZ004-230915-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
610 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOOKOUT PASS THROUGH LATE THIS AFTERNOON... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES STORM TOTAL OVER LOOKOUT 
  PASS...6 TO 8 INCHES BELOW LOOKOUT PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

IDZ010-230915-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
EASTERN LEMHI COUNTY-
610 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR LOST TRAIL PASS...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOST TRAIL PASS THROUGH LATE THIS 
  AFTERNOON... CREATING CONSIDERABLE BLOWING AND DRIFTING OF 
  SNOW AND LOCAL WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL 
  CONDITIONS WILL BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES STORM TOTAL OVER LOST TRAIL 
  PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

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

&&

$$

MTZ002-003-005-007-043-230600-
/O.CON.KMSO.WW.Y.0017.000000T0000Z-120223T0600Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
610 PM MST WED FEB 22 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING ABOVE 5000 FEET...

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

* IMPACTS/TIMING: STRONG WEST WINDS AND HEAVY SNOW SHOWERS WILL 
  CONTINUE OVER WESTERN MONTANA THROUGH THIS EVENING... CREATING 
  CONSIDERABLE BLOWING SNOW AND LOCAL WHITEOUT CONDITIONS AT 
  TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT AT TIMES 
  THROUGH THIS EVENING. 

* SNOW ACCUMULATIONS: 1 TO 2 INCHES.

* WINDS: 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD 
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON...BITTERROOT 
  VALLEY...MISSOULA...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 
  GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER TO 
  GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$
277 
WWUS45 KMSO 230127
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
627 PM MST WED FEB 22 2012

IDZ006-MTZ006-230930-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
627 PM MST WED FEB 22 2012 /527 PM PST WED FEB 22 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOLO PASS THROUGH LATE THIS AFTERNOON... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

MTZ004-230930-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
627 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOOKOUT PASS THROUGH LATE THIS AFTERNOON... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES STORM TOTAL OVER LOOKOUT 
  PASS...6 TO 8 INCHES BELOW LOOKOUT PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

IDZ010-230930-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
EASTERN LEMHI COUNTY-
627 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR LOST TRAIL PASS...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOST TRAIL PASS THROUGH LATE THIS 
  AFTERNOON... CREATING CONSIDERABLE BLOWING AND DRIFTING OF 
  SNOW AND LOCAL WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL 
  CONDITIONS WILL BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES STORM TOTAL OVER LOST TRAIL 
  PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

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

&&

$$

MTZ002-003-005-007-043-230600-
/O.CON.KMSO.WW.Y.0017.000000T0000Z-120223T0600Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
627 PM MST WED FEB 22 2012

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

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

* IMPACTS/TIMING: STRONG WEST WINDS AND HEAVY SNOW SHOWERS WILL 
  CONTINUE OVER WESTERN MONTANA THROUGH THIS EVENING... CREATING 
  CONSIDERABLE BLOWING SNOW AND LOCAL WHITEOUT CONDITIONS AT 
  TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT AT TIMES 
  THROUGH THIS EVENING. 

* SNOW ACCUMULATIONS: 1 TO 2 INCHES.

* WINDS: 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD 
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON...BITTERROOT 
  VALLEY...MISSOULA...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 
  GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER TO 
  GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$
324 
WWUS45 KMSO 230406
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
906 PM MST WED FEB 22 2012

IDZ006-MTZ006-231200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
906 PM MST WED FEB 22 2012 /806 PM PST WED FEB 22 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ THURSDAY ABOVE 5000 FEET...

A WINTER STORM WARNING ABOVE 5000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOLO PASS THROUGH TONIGHT... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 8 TO 12 INCHES OVER LOLO PASS...10 TO 18 
  INCHES IN THE HIGHER TERRAIN. 

* WINDS: 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

MTZ004-231200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
LOWER CLARK FORK REGION-
906 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR I-90 LOOKOUT PASS TO HAUGAN...

A WINTER STORM WARNING FOR I-90 LOOKOUT PASS TO HAUGAN REMAINS IN
EFFECT UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW 
  WILL CONTINUE OVER LOOKOUT PASS THROUGH TONIGHT... 
  CREATING CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL 
  WHITEOUT CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL 
  BE PRESENT AT TIMES THROUGH TONIGHT. 

* SNOW ACCUMULATIONS: 10 TO 15 INCHES STORM TOTAL OVER LOOKOUT 
  PASS...6 TO 8 INCHES BELOW LOOKOUT PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 60 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

&&

$$

IDZ010-231200-
/O.CON.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
EASTERN LEMHI COUNTY-
906 PM MST WED FEB 22 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
FOR LOST TRAIL PASS...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 5 AM MST THURSDAY. 

* IMPACTS/TIMING: STRONG WEST WINDS AND OCCASIONAL HEAVY SNOW WILL
  CONTINUE OVER LOST TRAIL PASS THROUGH TONIGHT...CREATING
  CONSIDERABLE BLOWING AND DRIFTING OF SNOW AND LOCAL WHITEOUT
  CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL BE PRESENT
  AT TIMES THROUGH TONIGHT.

* SNOW ACCUMULATIONS: 8 TO 12 INCHES STORM TOTAL OVER LOST TRAIL 
  PASS. 

* WINDS: BECOMING 25 TO 40 MPH...GUSTING TO 55 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

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

&&

$$

MTZ002-003-005-007-043-231215-
/O.EXT.KMSO.WW.Y.0017.000000T0000Z-120223T1600Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
906 PM MST WED FEB 22 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MST
THURSDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 AM MST
THURSDAY. 

* IMPACTS/TIMING: A BAND OF HEAVY SNOW AND STRONG WEST WINDS WILL
  CONTINUE MOVE THROUGH SOUTHWEST MONTANA TONIGHT...CREATING
  CONSIDERABLE BLOWING SNOW AND LOCAL WHITEOUT CONDITIONS AT
  TIMES. BEHIND THE BAND...ROADS WILL REMAIN ICY AND SNOW COVERED
  THROUGH THE THURSDAY MORNING COMMUTE CAUSING HAZARDOUS DRIVING
  CONDITIONS. 

* SNOW ACCUMULATIONS: 1 TO 2 INCHES.

* WINDS: 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD 
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON...BITTERROOT 
  VALLEY...MISSOULA...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 
  GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER TO 
  GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW
AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$
126 
WWUS45 KMSO 231027
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
327 AM MST THU FEB 23 2012

IDZ006-010-MTZ004-006-231130-
/O.CAN.KMSO.WS.W.0002.000000T0000Z-120223T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-EASTERN LEMHI COUNTY-
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
327 AM MST THU FEB 23 2012 /227 AM PST THU FEB 23 2012/

...WINTER STORM WARNING IS CANCELLED...

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

$$

MTZ002-003-005-007-043-231600-
/O.CON.KMSO.WW.Y.0017.000000T0000Z-120223T1600Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
327 AM MST THU FEB 23 2012

...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 SHOWERS WILL CONTINUE THROUGH MUCH OF THE
  DAY. THE MAIN WIDESPREAD CONCERN WILL BE ICY ROADS THROUGH THE
  MORNING COMMUTE. VISIBILITIES COULD ALSO BE REDUCED AT TIMES
  WITH THE PASSING SHOWERS.

* ADDITIONAL SNOW ACCUMULATIONS: UP TO 2 INCHES.

* VISIBILITY: LESS THAN A HALF MILE AT TIMES.

* LOCATIONS IMPACTED: MOST ROADS THROUGHOUT WESTERN MONTANA.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 3:47 AM MSTWind AdvisoryMSOFlathead, Lincoln, Sanders43 hr
Feb 21, 6:39 AM MSTWinter Weather AdvisoryMSOMissoula, Ravalli3 hr
Feb 21, 10:28 AM MSTHigh Wind WarningMSODeer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more31 hr

Nearby

Winter Storm Warnings in Montana, 2012Winter Storm Warnings in Idaho, 2012Every winter storm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.