Alert archive / Montana / Winter Storm Warnings in 2009

Winter Storm Warning 13, NWS Missoula, MT

March 24, 2009Clearwater County, Idaho County, Idaho; 8 counties in Montana

NWS Missoula, MT issued this winter storm warning at Mar 24, 2009, 1:12 PM PDT for Clearwater County, Idaho County, Idaho; 8 counties in Montana. It took effect at Mar 24, 2009, 11:00 PM PDT. It was in force for 24 hr. 5 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
Mar 24, 2009, 1:12 PM PDT (20:12 UTC)
In effect from
Mar 24, 2009, 11:00 PM PDT
Expired
Mar 25, 2009, 10:37 PM PDT
In force
24 hr
Issued by
NWS Missoula, MT

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

The radar

The Missoula radar (KMSX), 31 km from the middle of the area, began a volume at 20:16 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
Mar 25, 8:47 AM PDTHEAVY SNOW 24Elk City, IDHEAVY SNOW REPORTED ACCUMULATING AT 2 INCHES PER HOUR.
Mar 25, 11:30 AM PDTHEAVY SNOW 12Essex, MTHEAVY SNOW REPORTED WITH CHAINS REQUIRED ON HIGHWAY 2 FROM ESSEX TO MARIAS PASS.
Mar 25, 12:00 PM PDTHEAVY SNOW 1212 Ene Essex, MTDEPARTMENT OF TRANSPORTATION REPORTED 10-12 INCHES OF NEW SNOW AT MARIAS PASS. CHAINS REQUIRED FROM ESSEX TO MARIAS PASS.
Mar 25, 1:00 PM PDTHEAVY SNOW 929 W Bynum, MT12 HR SNOWFALL AT WALDRON SNOTEL ELEVATION 5600 FT MSL.
Mar 25, 2:15 PM PDTHEAVY SNOW 8Dixie Coop Dxei1, ID

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 8.2 hours before the alert went out and 173 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 12:00Z on 2009-03-24Temperature 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 12:00Z on 2009-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 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
649 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
14 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.

000 
WWUS45 KMSO 242012
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
212 PM MDT TUE MAR 24 2009

...EARLY SPRING SNOW STORM TO IMPACT THE NORTHERN ROCKIES LATE
TONIGHT THROUGH WEDNESDAY NIGHT...

.A STRONG LOW PRESSURE SYSTEM WILL INTO THE NORTHERN ROCKIES
THIS EVENING AND IMPACTING THE AREA THROUGH WEDNESDAY EVENING.
HEAVY MOUNTAIN SNOW IS EXPECTED ACROSS NORTHWEST AND WEST CENTRAL
MONTANA AS WELL AS NORTH CENTRAL IDAHO...IMPACTING LOOKOUT...LOLO
AND LOST TRAIL PASSES. SURFACE WINDS WILL BECOME NORTHERLY AND GUSTY
AS A CANADIAN COLD FRONT MOVES THROUGH THE AREA WEDNESDAY NIGHT...
CAUSING BLOWING SNOW AND REDUCED VISIBILITY. MODERATE TO HEAVY
SNOW ACCUMULATIONS ARE POSSIBLE OVER THE CAMAS PRAIRIE AREA IN
NORTH CENTRAL IDAHO WEDNESDAY...AS UPSLOPE NORTHERLY FLOW
DEVELOPS.

MTZ004-250415-
/O.UPG.KMSO.WS.A.0008.090325T0600Z-090326T0600Z/
/O.NEW.KMSO.WS.W.0013.090325T0600Z-090326T0600Z/
LOWER CLARK FORK REGION-
212 PM MDT TUE MAR 24 2009

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT MDT WEDNESDAY NIGHT FOR LOOKOUT PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AT LOOKOUT PASS...WHICH IS IN EFFECT FROM
MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY NIGHT. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

8 TO 14 INCHES OF SNOW AT LOOKOUT PASS WITH LOCALLY HIGHER
AMOUNTS UP TO 20 INCHES IN THE SURROUNDING MOUNTAINS ARE LIKELY
WITH THIS STORM. IN ADDITION... GUSTY WEST WINDS MAY CAUSE LOCAL
BLOWING SNOW AND REDUCED VISIBILITIES.

THE LOWER VALLEYS MAY SEE A MIX OF RAIN AND SNOW AT TIMES THIS
EVENING TURNING TO ALL SNOW OVERNIGHT WITH LIGHT SNOW
ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-MTZ006-250415-
/O.UPG.KMSO.WS.A.0008.090325T0600Z-090326T0600Z/
/O.NEW.KMSO.WS.W.0013.090325T0600Z-090326T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
212 PM MDT TUE MAR 24 2009 /112 PM PDT TUE MAR 24 2009/

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT MDT /11 PM PDT/
TONIGHT TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT MDT /11
PM PDT/ TONIGHT TO MIDNIGHT MDT /11 PM PDT/ WEDNESDAY NIGHT. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.

8 TO 14 INCHES OF SNOW WITH LOCALLY HIGHER AMOUNTS UP TO 20
INCHES ARE LIKELY WITH THIS STORM. IN ADDITION... GUSTY WEST
WINDS MAY CAUSE LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.
TRAVEL OVER LOLO AND LOST TRAIL PASSES WILL BE HAZARDOUS DURING
THIS EVENT.

THE LOWER VALLEYS BELOW 3000 FEET WILL SEE LIGHTER SNOW
ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-250415-
/O.UPG.KMSO.WS.A.0008.090325T0600Z-090326T0600Z/
/O.NEW.KMSO.WS.W.0013.090325T0600Z-090326T0600Z/
POTOMAC/SEELEY LAKE REGION-
212 PM MDT TUE MAR 24 2009

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT MDT WEDNESDAY NIGHT FROM SEELEY LAKE TO CONDON...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW ALONG HIGHWAY 83 FROM SEELEY LAKE TO CONDON...WHICH
IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT WEDNESDAY
NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

8 TO 12 INCHES OF SNOW ARE EXPECTED WITH THIS STORM FROM SEELEY LAKE
TO CONDON...WITH 3 TO 6 INCHES OF SNOW ELSEWHERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-250415-
/O.UPG.KMSO.WS.A.0008.090325T0600Z-090326T0600Z/
/O.NEW.KMSO.WW.Y.0046.090325T0600Z-090326T0000Z/
WEST GLACIER REGION-
212 PM MDT TUE MAR 24 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...MAINLY IMPACTING HIGHWAY
2 FROM ESSEX TO MARIAS PASS WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 PM MDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

4 TO 7 INCHES OF SNOW WITH LOCALLY HIGHER AMOUNTS TO 10 INCHES ARE
EXPECTED WITH THIS STORM FROM ESSEX TO MARIAS PASS. IN
ADDITION...GUSTY WINDS MAY CAUSE LOCAL BLOWING SNOW AND REDUCED
VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-250415-
/O.NEW.KMSO.WW.Y.0046.090325T0600Z-090326T0000Z/
FLATHEAD/MISSION VALLEYS-
212 PM MDT TUE MAR 24 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM MDT WEDNESDAY FOR HIGHWAY 35 FROM YELLOW BAY TO CRESTON...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW FOR HIGHWAY 35 FROM
YELLOW BAY TO CRESTON...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 PM MDT WEDNESDAY.

4 TO 7 INCHES OF SNOW ARE EXPECTED ALONG HIGHWAY 35 FROM YELLOW
BAY TO CRESTON...WITH 1 TO 2 INCHES ELSEWHERE. IN ADDITION...GUSTY
WINDS WEDNESDAY AND WEDNESDAY EVENING MAY CAUSE BLOWING SNOW AND
REDUCED VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ007-008-250415-
/O.EXT.KMSO.WS.A.0008.090325T1200Z-090326T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
112 PM PDT TUE MAR 24 2009

...WINTER STORM WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

THE WINTER STORM WATCH IS NOW IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING. 

MODERATE TO HEAVY SNOW ALONG WITH GUSTY WINDS ARE POSSIBLE WITH
THIS STORM...MAINLY ABOVE 3000 FEET. 6 TO 12 INCHES OF SNOW ARE
POSSIBLE ON THE CAMAS PRAIRIE...WHITE BIRD AND GREER GRADES. THE
MAIN IMPACT OF SNOW IS EXPECTED TO ACCUMULATE WEDNESDAY MORNING
THROUGH WEDNESDAY EVENING AS SURFACE WINDS BECOME NORTHERLY
PROVIDING LOW LEVEL LIFT.

THE LOWER VALLEYS WILL SEE A MIX OF RAIN AND SNOW AT TIMES...AND
THUS THE POTENTIAL FOR ACCUMULATING SNOW IS MUCH LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
6 follow-up statements
000 
WWUS45 KMSO 250410
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1010 PM MDT TUE MAR 24 2009

...EARLY SPRING SNOW STORM TO IMPACT THE NORTHERN ROCKIES LATE
TONIGHT THROUGH WEDNESDAY NIGHT...

.A STRONG LOW PRESSURE SYSTEM MOVING INTO THE NORTHERN ROCKIES THIS
EVENING WILL CONTINUE TO IMPACT THE AREA THROUGH WEDNESDAY
EVENING. HEAVY MOUNTAIN SNOW IS EXPECTED ACROSS NORTHWEST AND WEST
CENTRAL MONTANA AS WELL AS NORTH CENTRAL IDAHO...IMPACTING
LOOKOUT...LOLO AND LOST TRAIL PASSES. SURFACE WINDS WILL BECOME
NORTHERLY AND GUSTY AS A CANADIAN COLD FRONT MOVES THROUGH THE
AREA WEDNESDAY NIGHT... CAUSING BLOWING SNOW AND REDUCED
VISIBILITY. MODERATE TO HEAVY SNOW ACCUMULATIONS ARE POSSIBLE OVER
THE CAMAS PRAIRIE AREA IN NORTH CENTRAL IDAHO WEDNESDAY...AS
UPSLOPE NORTHERLY FLOW DEVELOPS.

MTZ004-251215-
/O.CON.KMSO.WS.W.0013.090325T0600Z-090326T0600Z/
LOWER CLARK FORK REGION-
1010 PM MDT TUE MAR 24 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT FOR LOOKOUT PASS...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT FOR LOOKOUT PASS. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES AT LOOKOUT PASS
WITH LOCALLY HIGHER AMOUNTS UP TO 20 INCHES IN THE SURROUNDING
MOUNTAINS ARE LIKELY WITH THIS STORM. IN ADDITION... GUSTY WEST
WINDS MAY CAUSE LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.

THE LOWER VALLEYS MAY SEE A MIX OF RAIN AND SNOW AT TIMES THIS
EVENING TURNING TO ALL SNOW OVERNIGHT WITH LIGHT SNOW
ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-MTZ006-251215-
/O.CON.KMSO.WS.W.0013.090325T0600Z-090326T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
1010 PM MDT TUE MAR 24 2009 /910 PM PDT TUE MAR 24 2009/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
/11 PM PDT/ WEDNESDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
/11 PM PDT/ WEDNESDAY NIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES WITH LOCALLY
HIGHER AMOUNTS UP TO 20 INCHES ARE LIKELY WITH THIS STORM. IN
ADDITION... GUSTY WEST WINDS MAY CAUSE LOCAL BLOWING SNOW AND
REDUCED VISIBILITIES. TRAVEL OVER LOLO AND LOST TRAIL PASSES WILL
BE HAZARDOUS DURING THIS EVENT.

THE LOWER VALLEYS BELOW 3000 FEET WILL SEE LIGHTER SNOW
ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-251215-
/O.CON.KMSO.WS.W.0013.090325T0600Z-090326T0600Z/
POTOMAC/SEELEY LAKE REGION-
1010 PM MDT TUE MAR 24 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT FROM SEELEY LAKE TO CONDON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT FROM SEELEY LAKE TO CONDON. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES ARE EXPECTED WITH
THIS STORM FROM SEELEY LAKE TO CONDON...WITH 3 TO 6 INCHES OF SNOW
ELSEWHERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-251215-
/O.CON.KMSO.WW.Y.0046.090325T0600Z-090326T0000Z/
FLATHEAD/MISSION VALLEYS-
1010 PM MDT TUE MAR 24 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
WEDNESDAY NIGHT FOR HIGHWAY 35 FROM YELLOW BAY TO CRESTON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
WEDNESDAY FOR HIGHWAY 35 FROM YELLOW BAY TO CRESTON. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED ALONG
HIGHWAY 35 FROM YELLOW BAY TO CRESTON...WITH 1 TO 2 INCHES
ELSEWHERE. IN ADDITION... GUSTY WINDS WEDNESDAY AND WEDNESDAY
EVENING MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-251215-
/O.CON.KMSO.WW.Y.0046.090325T0600Z-090326T0000Z/
WEST GLACIER REGION-
1010 PM MDT TUE MAR 24 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
WEDNESDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS TO 10 INCHES ARE EXPECTED WITH THIS STORM FROM ESSEX TO
MARIAS PASS. IN ADDITION...GUSTY WINDS MAY CAUSE LOCAL BLOWING
SNOW AND REDUCED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ007-008-251215-
/O.CON.KMSO.WS.A.0008.090325T1200Z-090326T0600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
910 PM PDT TUE MAR 24 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 AM PDT WEDNESDAY
THROUGH WEDNESDAY EVENING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM 5 AM PDT WEDNESDAY
THROUGH WEDNESDAY EVENING. 

MODERATE TO HEAVY SNOW ALONG WITH GUSTY WINDS ARE POSSIBLE WITH
THIS STORM...MAINLY ABOVE 3000 FEET. TOTAL SNOWFALL ACCUMULATIONS
OF 6 TO 12 INCHES ARE POSSIBLE ON THE CAMAS PRAIRIE...WHITE BIRD
AND GREER GRADES. THE MAIN IMPACT OF SNOW IS EXPECTED TO
ACCUMULATE WEDNESDAY MORNING THROUGH WEDNESDAY EVENING AS SURFACE
WINDS BECOME NORTHERLY PROVIDING LOW LEVEL LIFT.

THE LOWER VALLEYS WILL SEE A MIX OF RAIN AND SNOW AT TIMES...AND
THUS THE POTENTIAL FOR ACCUMULATING SNOW IS MUCH LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS45 KMSO 250948
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
348 AM MDT WED MAR 25 2009

...EARLY SPRING SNOW STORM TO IMPACT THE NORTHERN ROCKIES TODAY
AND TONIGHT...

.A STRONG LOW PRESSURE SYSTEM MOVING INTO THE NORTHERN ROCKIES
EARLY THIS MORNING WILL CONTINUE TO IMPACT THE AREA THROUGH TONIGHT.
HEAVY MOUNTAIN SNOW IS EXPECTED ACROSS NORTHWEST AND WEST CENTRAL
MONTANA AS WELL AS NORTH CENTRAL IDAHO...IMPACTING LOOKOUT...LOLO
AND LOST TRAIL PASSES. SURFACE WINDS WILL BECOME NORTHERLY AND
GUSTY AS A CANADIAN COLD FRONT MOVES THROUGH THE AREA THIS EVENING...CAUSING
BLOWING SNOW AND REDUCED VISIBILITY. MODERATE TO HEAVY SNOW
ACCUMULATIONS ARE ALSO POSSIBLE OVER THE CAMAS PRAIRIE AREA IN
NORTH CENTRAL IDAHO TODAY AND TONIGHT...AS UPSLOPE NORTHERLY FLOW
DEVELOPS.

IDZ007-008-252100-
/O.UPG.KMSO.WS.A.0008.090325T1200Z-090326T0600Z/
/O.EXB.KMSO.WS.W.0013.000000T0000Z-090326T1200Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
248 AM PDT WED MAR 25 2009

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM PDT THURSDAY ABOVE
2500 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW ABOVE 2500
FEET...WHICH IS IN EFFECT UNTIL 5 AM PDT THURSDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE ON
THE CAMAS PRAIRIE...AS WELL AS THE WHITE BIRD AND GREER GRADES.
THE HEAVIEST SNOW IS EXPECTED THIS AFTERNOON AND EVENING...BUT
INCREASING WESTERLY WINDS THIS MORNING WILL CAUSE BLOWING SNOW AND
REDUCED VISIBILITIES AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ004-252100-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
LOWER CLARK FORK REGION-
348 AM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FOR LOOKOUT PASS...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES AT LOOKOUT PASS
WITH LOCALLY HIGHER AMOUNTS UP TO 20 INCHES IN THE SURROUNDING
MOUNTAINS ARE LIKELY WITH THIS STORM. IN ADDITION...GUSTY WEST
WINDS MAY CAUSE LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.

THE LOWER VALLEYS WILL SEE A MIX OF RAIN AND SNOW AT TIMES THIS
MORNING TURNING TO ALL SNOW BY MIDDAY WITH LIGHT SNOW
ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-252100-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
POTOMAC/SEELEY LAKE REGION-
348 AM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FROM SEELEY LAKE TO CONDON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED FROM
SEELEY LAKE TO CONDON...WITH OTHER VALLEYS IN THE AREA SEEING 3
TO 6 INCHES OF SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-MTZ006-252100-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
348 AM MDT WED MAR 25 2009 /248 AM PDT WED MAR 25 2009/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
/11 PM PDT/ TONIGHT ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
MIDNIGHT MDT /11 PM PDT/ TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES WITH LOCALLY
HIGHER AMOUNTS UP TO 20 INCHES ARE LIKELY WITH THIS STORM. IN
ADDITION... GUSTY WEST WINDS MAY CAUSE LOCAL BLOWING SNOW AND
REDUCED VISIBILITIES. TRAVEL OVER LOLO AND LOST TRAIL PASSES WILL
BE HAZARDOUS DURING THIS EVENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ007-252100-
/O.EXB.KMSO.WW.Y.0046.090325T1200Z-090326T1200Z/
BUTTE/BLACKFOOT REGION-
348 AM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO
6 AM MDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 6 AM THIS MORNING TO 6 AM MDT THURSDAY.

SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED NORTH OF DEER
LODGE AS WELL AS IN THE PHILIPSBURG AND GEORGETOWN LAKE AREAS. THE
INTERSTATE 90 CORRIDOR FROM DEER LODGE TO BUTTE WILL GET 2 TO 4
INCHES OF NEW SNOW. IN ADDITION... GUSTY WINDS MAY CAUSE BLOWING
SNOW AND REDUCED VISIBILITY AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-252100-
/O.CON.KMSO.WW.Y.0046.000000T0000Z-090326T0000Z/
FLATHEAD/MISSION VALLEYS-
348 AM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING FOR HIGHWAY 35 FROM YELLOW BAY TO CRESTON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING FOR HIGHWAY 35 FROM YELLOW BAY TO CRESTON. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED ALONG
HIGHWAY 35 FROM YELLOW BAY TO CRESTON...WITH 1 TO 3 INCHES
ELSEWHERE. IN ADDITION...GUSTY WINDS MAY CAUSE BLOWING SNOW AND
REDUCED VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-252100-
/O.CON.KMSO.WW.Y.0046.000000T0000Z-090326T0000Z/
WEST GLACIER REGION-
348 AM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED WITH
THIS STORM FROM ESSEX TO MARIAS PASS. THE LOWER ELEVATIONS WILL
SEE 2 TO 4 INCHES OF SNOW. IN ADDITION...GUSTY WINDS MAY CAUSE
LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS45 KMSO 251850
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1250 PM MDT WED MAR 25 2009

...EARLY SPRING SNOW STORM TO IMPACT THE NORTHERN ROCKIES TODAY
AND TONIGHT...

.A STRONG LOW PRESSURE SYSTEM MOVING THROUGH THE NORTHERN ROCKIES
WILL CONTINUE TO IMPACT THE AREA THROUGH THIS EVENING...ESPECIALLY
IMPACTING LOLO...LOOKOUT AND LOST TRAIL PASSES. SURFACE WINDS
WILL BECOME NORTHERLY AND GUSTY DURING THE AFTERNOON HOURS AS A
CANADIAN COLD FRONT MOVES THROUGH THE AREA THIS EVENING...CAUSING
BLOWING SNOW AND REDUCED VISIBILITY WITH LOWERING WIND CHILL
FACTORS. MODERATE TO HEAVY SNOW ACCUMULATIONS ARE ALSO POSSIBLE
OVER THE CAMAS PRAIRIE AREA IN NORTH CENTRAL IDAHO THIS AFTERNOON
AND TONIGHT...AS UPSLOPE NORTHERLY FLOW DEVELOPS.

MTZ004-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
LOWER CLARK FORK REGION-
1250 PM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES AT LOOKOUT PASS
WITH LOCALLY HIGHER AMOUNTS UP TO 20 INCHES IN THE SURROUNDING
MOUNTAINS ARE LIKELY WITH THIS STORM. IN ADDITION...GUSTY WEST
WINDS MAY CAUSE LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.

THE LOWER VALLEYS WILL SEE A MIX OF RAIN AND SNOW AT TIMES WITH
LIGHT SNOW ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
POTOMAC/SEELEY LAKE REGION-
1250 PM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT ALONG HIGHWAY 83 FROM SEELEY LAKE TO CONDON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED ALONG
HIGHWAY 83 FROM FROM SEELEY LAKE TO CONDON...WITH OTHER VALLEYS
IN THE AREA SEEING 3 TO 6 INCHES OF SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ007-008-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T1200Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1150 AM PDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY
ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
5 AM PDT THURSDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE ON
THE CAMAS PRAIRIE...AS WELL AS THE WHITE BIRD AND GREER GRADES.
THE HEAVIEST SNOW IS EXPECTED THIS AFTERNOON AND EVENING...BUT
INCREASING WESTERLY WINDS WILL CAUSE BLOWING SNOW
AND REDUCED VISIBILITIES AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-MTZ006-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
1250 PM MDT WED MAR 25 2009 /1150 AM PDT WED MAR 25 2009/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
/11 PM PDT/ TONIGHT ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
MIDNIGHT MDT /11 PM PDT/ TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES WITH LOCALLY
HIGHER AMOUNTS UP TO 20 INCHES ARE LIKELY WITH THIS STORM. IN
ADDITION... GUSTY WEST WINDS MAY CAUSE LOCAL BLOWING SNOW AND
REDUCED VISIBILITIES. TRAVEL OVER LOLO AND LOST TRAIL PASSES WILL
BE HAZARDOUS DURING THIS EVENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-260300-
/O.EXT.KMSO.WW.Y.0046.000000T0000Z-090326T0300Z/
FLATHEAD/MISSION VALLEYS-
1250 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING FOR SNOW AND BLOWING SNOW...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED ALONG
HIGHWAY 35 FROM YELLOW BAY TO CRESTON...WITH AN ADDITIONAL 1 TO 3
INCHES ELSEWHERE. IN ADDITION...GUSTY NORTHEAST WINDS MAY CAUSE
BLOWING SNOW AND REDUCED VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-260300-
/O.EXT.KMSO.WW.Y.0046.000000T0000Z-090326T0300Z/
WEST GLACIER REGION-
1250 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED WITH
THIS STORM WITH LOCALLY HIGHER AMOUNTS UP TO 12 INCHES...ESPECIALLY
IN THE HIGHWAY 2 CORRIDOR NEAR ESSEX. IN ADDITION...GUSTY WINDS
MAY CAUSE LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ007-260300-
/O.CON.KMSO.WW.Y.0046.000000T0000Z-090326T1200Z/
BUTTE/BLACKFOOT REGION-
1250 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY. 

SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED NORTH OF DEER
LODGE AS WELL AS IN THE PHILIPSBURG AND GEORGETOWN LAKE AREAS.
THE INTERSTATE 90 CORRIDOR FROM DEER LODGE TO BUTTE WILL GET 2 TO
4 INCHES OF NEW SNOW. IN ADDITION...GUSTY WINDS MAY CAUSE BLOWING
SNOW AND REDUCED VISIBILITY AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS45 KMSO 251911
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
111 PM MDT WED MAR 25 2009

...EARLY SPRING SNOW STORM TO IMPACT THE NORTHERN ROCKIES TODAY
AND TONIGHT...

.A STRONG LOW PRESSURE SYSTEM MOVING THROUGH THE NORTHERN ROCKIES
WILL CONTINUE TO IMPACT THE AREA THROUGH THIS EVENING...
ESPECIALLY IMPACTING LOLO...LOOKOUT AND LOST TRAIL PASSES.
SURFACE WINDS WILL BECOME NORTHERLY AND GUSTY DURING THE
AFTERNOON HOURS AS A CANADIAN COLD FRONT MOVES THROUGH THE AREA
THIS EVENING...CAUSING BLOWING SNOW AND REDUCED VISIBILITY WITH
LOWERING WIND CHILL FACTORS. MODERATE TO HEAVY SNOW ACCUMULATIONS
ARE ALSO POSSIBLE OVER THE CAMAS PRAIRIE AREA IN NORTH CENTRAL
IDAHO THIS AFTERNOON AND TONIGHT...AS UPSLOPE NORTHERLY FLOW
DEVELOPS.

MTZ002-260300-
/O.UPG.KMSO.WW.Y.0046.000000T0000Z-090326T0300Z/
/O.EXB.KMSO.WS.W.0013.000000T0000Z-090326T0300Z/
WEST GLACIER REGION-
111 PM MDT WED MAR 25 2009

...WINTER STORM WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 9 PM MDT THIS EVENING. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED WITH
THIS STORM... ESPECIALLY IN THE HIGHWAY 2 CORRIDOR FROM ESSEX TO
WEST GLACIER. IN ADDITION... GUSTY WINDS MAY CAUSE LOCAL BLOWING
SNOW AND REDUCED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ004-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
LOWER CLARK FORK REGION-
111 PM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FOR LOOKOUT PASS...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES AT LOOKOUT PASS
WITH LOCALLY HIGHER AMOUNTS UP TO 20 INCHES IN THE SURROUNDING
MOUNTAINS ARE LIKELY WITH THIS STORM. IN ADDITION...GUSTY WEST
WINDS MAY CAUSE LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.

THE LOWER VALLEYS WILL SEE A MIX OF RAIN AND SNOW AT TIMES WITH
LIGHT SNOW ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
POTOMAC/SEELEY LAKE REGION-
111 PM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT ALONG HIGHWAY 83 FROM SEELEY LAKE TO CONDON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED ALONG
HIGHWAY 83 FROM FROM SEELEY LAKE TO CONDON...WITH OTHER VALLEYS
IN THE AREA SEEING 3 TO 6 INCHES OF SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ007-008-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T1200Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1211 PM PDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY
ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
5 AM PDT THURSDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE ON
THE CAMAS PRAIRIE...AS WELL AS THE WHITE BIRD AND GREER GRADES.
THE HEAVIEST SNOW IS EXPECTED THIS AFTERNOON AND EVENING...BUT
INCREASING WESTERLY WINDS WILL CAUSE BLOWING SNOW AND REDUCED
VISIBILITIES AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-MTZ006-260300-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
111 PM MDT WED MAR 25 2009 /1211 PM PDT WED MAR 25 2009/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
/11 PM PDT/ TONIGHT ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
MIDNIGHT MDT /11 PM PDT/ TONIGHT. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES WITH LOCALLY
HIGHER AMOUNTS UP TO 20 INCHES ARE LIKELY WITH THIS STORM. IN
ADDITION... GUSTY WEST WINDS MAY CAUSE LOCAL BLOWING SNOW AND
REDUCED VISIBILITIES. TRAVEL OVER LOLO AND LOST TRAIL PASSES WILL
BE HAZARDOUS DURING THIS EVENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-260300-
/O.CON.KMSO.WW.Y.0046.000000T0000Z-090326T0300Z/
FLATHEAD/MISSION VALLEYS-
111 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED ALONG
HIGHWAY 35 FROM YELLOW BAY TO CRESTON...WITH 2 TO 3 INCHES
EXPECTED IN FLATHEAD VALLEY. IN ADDITION...GUSTY NORTHEAST WINDS
MAY CAUSE BLOWING SNOW AND REDUCED VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ007-260300-
/O.CON.KMSO.WW.Y.0046.000000T0000Z-090326T1200Z/
BUTTE/BLACKFOOT REGION-
111 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY. 

SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED NORTH OF DEER
LODGE AS WELL AS IN THE PHILIPSBURG AND GEORGETOWN LAKE AREAS.
THE INTERSTATE 90 CORRIDOR FROM DEER LODGE TO BUTTE WILL GET 2 TO
4 INCHES OF NEW SNOW. IN ADDITION...GUSTY WINDS MAY CAUSE BLOWING
SNOW AND REDUCED VISIBILITY AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS45 KMSO 260126
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
726 PM MDT WED MAR 25 2009

...EARLY SPRING SNOW STORM WILL CONTINUE TO IMPACT THE NORTHERN
ROCKIES THIS EVENING...

.A STRONG LOW PRESSURE SYSTEM MOVING THROUGH THE NORTHERN ROCKIES
WILL CONTINUE TO IMPACT THE AREA THROUGH THIS EVENING...
ESPECIALLY IMPACTING LOLO...LOOKOUT AND LOST TRAIL PASSES.
SURFACE WINDS WILL BECOME NORTHERLY AND GUSTY DURING THE
AFTERNOON HOURS AS A CANADIAN COLD FRONT MOVES THROUGH THE AREA
THIS EVENING...CAUSING BLOWING SNOW AND REDUCED VISIBILITY WITH
LOWERING WIND CHILL FACTORS. MODERATE TO HEAVY SNOW ACCUMULATIONS
ARE ALSO POSSIBLE OVER THE CAMAS PRAIRIE AREA IN NORTH CENTRAL
IDAHO THIS AFTERNOON AND TONIGHT...AS UPSLOPE NORTHERLY FLOW
DEVELOPS.

MTZ002-260230-
/O.CAN.KMSO.WS.W.0013.000000T0000Z-090326T0300Z/
WEST GLACIER REGION-
726 PM MDT WED MAR 25 2009

...WINTER STORM WARNING IS CANCELLED...

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

HEAVY SNOWFALL THAT HAS BEEN FALLING OVER THE GLACIER PARK REGION
SINCE LAST NIGHT...HAS TAPERED OFF TO ISOLATED SNOW SHOWERS THIS
EVENING. THEREFORE...THE WINTER STORM WARNING FOR THE REGION HAS
BEEN CANCELLED.

$$

IDZ007-008-260230-
/O.CAN.KMSO.WS.W.0013.000000T0000Z-090326T1200Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
626 PM PDT WED MAR 25 2009

...WINTER STORM WARNING IS CANCELLED...

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

THE PRECIPITATION HAS TAPERED OFF TO ISOLATED SNOW SHOWERS THIS
EVENING. THEREFORE...THE WINTER STORM WARNING FOR THE REGION HAS
BEEN CANCELLED.

$$

MTZ003-260230-
/O.CAN.KMSO.WW.Y.0046.000000T0000Z-090326T0300Z/
FLATHEAD/MISSION VALLEYS-
726 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

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

THE PRECIPITATION HAS TAPERED OFF TO ISOLATED SNOW SHOWERS THIS
EVENING. THEREFORE...THE WINTER STORM WARNING FOR THE REGION HAS
BEEN CANCELLED. THE SOUTHERN PART OF THE MISSION VALLEY COULD SEE
LIGHT SNOW ACCUMULATIONS AS SHOWERS MOVE THROUGH THE AREA.

$$

MTZ004-260600-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
LOWER CLARK FORK REGION-
726 PM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES AT LOOKOUT PASS
WITH LOCALLY HIGHER AMOUNTS UP TO 20 INCHES IN THE SURROUNDING
MOUNTAINS ARE LIKELY WITH THIS STORM. IN ADDITION...GUSTY WEST
WINDS MAY CAUSE LOCAL BLOWING SNOW AND REDUCED VISIBILITIES.

THE LOWER VALLEYS WILL SEE A MIX OF RAIN AND SNOW AT TIMES WITH
LIGHT SNOW ACCUMULATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-260600-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
POTOMAC/SEELEY LAKE REGION-
726 PM MDT WED MAR 25 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED ALONG
HIGHWAY 83 FROM FROM SEELEY LAKE TO CONDON...WITH OTHER VALLEYS IN
THE AREA SEEING 3 TO 6 INCHES OF SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-MTZ006-260600-
/O.CON.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
726 PM MDT WED MAR 25 2009 /626 PM PDT WED MAR 25 2009/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
/11 PM PDT/ TONIGHT ABOVE 2500 FEET...

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES WITH LOCALLY
HIGHER AMOUNTS UP TO 20 INCHES ARE LIKELY WITH THIS STORM. IN
ADDITION... GUSTY WEST WINDS MAY CAUSE LOCAL BLOWING SNOW AND
REDUCED VISIBILITIES. TRAVEL OVER LOLO AND LOST TRAIL PASSES WILL
BE HAZARDOUS DURING THIS EVENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ007-260930-
/O.CON.KMSO.WW.Y.0046.000000T0000Z-090326T1200Z/
BUTTE/BLACKFOOT REGION-
726 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED NORTH OF DEER
LODGE AS WELL AS IN THE PHILIPSBURG AND GEORGETOWN LAKE AREAS. THE
INTERSTATE 90 CORRIDOR FROM DEER LODGE TO BUTTE WILL GET 2 TO 4
INCHES OF NEW SNOW. IN ADDITION...GUSTY WINDS MAY CAUSE BLOWING
SNOW AND REDUCED VISIBILITY AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS45 KMSO 260537
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1137 PM MDT WED MAR 25 2009

IDZ005-006-MTZ004-006-043-260645-
/O.CAN.KMSO.WS.W.0013.000000T0000Z-090326T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
POTOMAC/SEELEY LAKE REGION-
1137 PM MDT WED MAR 25 2009 /1037 PM PDT WED MAR 25 2009/

...WINTER STORM WARNING IS CANCELLED...

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

PRECIPITATION HAS DIMINISHED TO ISOLATED SNOW SHOWERS ACROSS THE
REGION. THESE WILL FURTHER DECREASE THROUGH THE REMAINDER OF THE
NIGHT.

$$

MTZ007-260645-
/O.CAN.KMSO.WW.Y.0046.000000T0000Z-090326T1200Z/
BUTTE/BLACKFOOT REGION-
1137 PM MDT WED MAR 25 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

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

ONLY ISOLATED SNOW SHOWERS ARE EXPECTED THROUGH THE REMAINDER OF
THE NIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 1:12 PM PDTWinter Weather AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Powell, Sanders and 1 more33 hr

Nearby

Winter Storm Warnings in Montana, 2009Winter Storm Warnings in Idaho, 2009Every winter storm warning in 2009

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.