Alert archive / Montana / Winter Storm Warnings in 2012

Winter Storm Warning 5, NWS Missoula, MT

March 20, 20128 counties in Montana; Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this winter storm warning at Mar 20, 2012, 2:25 PM MDT for 8 counties in Montana; Clearwater County, Idaho County, Idaho. It was in force for 43 hr. 24 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 20, 2012, 2:25 PM MDT (20:25 UTC)
Expired
Mar 22, 2012, 9:00 AM MDT
In force
43 hr
Issued by
NWS Missoula, MT

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

The radar

The Missoula radar (KMSX), 50 km from the middle of the area, began a volume at 20:24 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 21, 5:00 AM MDTHEAVY SNOW 11Lolo Pass, MT
Mar 21, 5:21 AM MDTHEAVY SNOW 144 Nw East Portal, MTMEASURED AT LOOKOUT PASS SKI RESORT.
Mar 21, 6:00 AM MDTSNOW 8Ne Essex, MT
Mar 21, 6:00 AM MDTSNOW 9Weippe, ID
Mar 21, 6:30 AM MDTSNOW 3Condon, MT
Mar 21, 6:30 AM MDTSNOW 47 N Whitefish, MTMEASURED AT WHITEFISH MOUNTAIN SKI RESORT
Mar 21, 6:30 AM MDTSNOW 4Orofino, IDMEASUREMENT TAKEN AT 3000 FEET.
Mar 21, 7:00 AM MDTSNOW 5Powell, ID
Mar 21, 7:00 AM MDTSNOW 5Seeley Lake, MT
Mar 21, 7:00 AM MDTSNOW 6Marion, MT
Mar 21, 7:00 AM MDTHEAVY SNOW 12Pierce, ID
Mar 21, 8:00 AM MDTHEAVY SNOW 5.56 W Marion, MT
Mar 21, 9:26 AM MDTSNOW 3Big Arm, MT
Mar 21, 9:30 AM MDTSNOW 32 N Evaro, MT
Mar 21, 10:00 AM MDTSNOW 23 E Florence, MT
Mar 21, 12:00 PM MDTHEAVY SNOW 8Condon, MT8 INCHES AT NOON TODAY...BUT MELTED DOWN TO 4 INCHES BY 4 PM
Mar 21, 3:00 PM MDTHEAVY SNOW 4.6Seeley Lake, MT
Mar 21, 5:00 PM MDTHEAVY SNOW 3.51 Nw Grangeville, ID
Mar 21, 5:00 PM MDTHEAVY SNOW 8.732 Sse Libby, MTSEVERAL CONIFERS BROKEN OVER DUE TO THE WEIGHT OF WET SNOW
Mar 22, 6:00 AM MDTHEAVY SNOW 97 N Whitefish, MTSNOW MEASURED AT WHITEFISH MOUNTAIN VILLAGE...ELEVATION 4464 FEET...IN THE PAST 24 HOURS. SUMMIT...ELEVATION 6817 FEET...13 INCHES IN PAST 24 HOURS.
Mar 22, 6:32 AM MDTHEAVY SNOW 314 Nw East Portal, MT31 INCHES IN THE PAST 24 HOURS. 45 INCHES IN THE PAST 48 HOURS.
Mar 22, 7:53 AM MDTSNOW 310 S Woods Bay, MTSNOW FELL OVERNIGHT.
Mar 22, 8:00 AM MDTSNOW 4Olney, MT
Mar 22, 8:19 AM MDTHEAVY SNOW 68 Nnw Eureka, MTTOTAL SNOWFALL OVERNIGHT. CURRENTLY LIGHT SNOW WITH LARGE FLAKES.

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, 8.4 hours before the alert went out and 147 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 2012-03-20Temperature 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 2012-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 square meters per square second.1939587897117136156Sfc1 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
485 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
411 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.

948 
WWUS45 KMSO 202025
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
225 PM MDT TUE MAR 20 2012

IDZ006-MTZ006-210430-
/O.UPG.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
/O.NEW.KMSO.WS.W.0005.120320T2025Z-120321T1800Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
225 PM MDT TUE MAR 20 2012 /125 PM PDT TUE MAR 20 2012/

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT /11 AM PDT/
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL NOON MDT /11 AM PDT/ WEDNESDAY. THE WINTER WEATHER ADVISORY
IS NO LONGER IN EFFECT.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW THIS AFTERNOON AND
  WEDNESDAY CAUSING LIMITED VISIBILITY AND VERY SLICK ROADS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES.

* LOCATIONS: LOLO PASS...LOST TRAIL PASS...DIXIE...HIGHWAY 12
  LOWELL TO LOLO PASS. HIGHWAY 12 LOLO PASS TO LOLO. 

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 POSSIBLE. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

&&

$$

MTZ004-210430-
/O.UPG.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
/O.NEW.KMSO.WS.W.0005.120320T2025Z-120321T1800Z/
LOWER CLARK FORK REGION-
225 PM MDT TUE MAR 20 2012

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT WEDNESDAY...

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

* IMPACTS/TIMING: SNOW AND BLOWING SNOW THIS AFTERNOON AND 
  WEDNESDAY CAUSING LIMITED VISIBILITY AND VERY SLICK ROADS. 

* SNOW ACCUMULATIONS: 6 TO 12 INCHES OVER LOOKOUT PASS 2-5 INCHES
  IN THE LOWER VALLEYS.

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9
  MILE...EVARO HILL.

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 POSSIBLE. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

&&



$$

IDZ005-210430-
/O.NEW.KMSO.WS.W.0005.120320T2025Z-120321T1800Z/
NORTHERN CLEARWATER MOUNTAINS-
125 PM PDT TUE MAR 20 2012

...WINTER STORM WARNING IN EFFECT UNTIL 11 AM PDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 11 AM PDT
WEDNESDAY.

* IMPACTS/TIMING: SNOW THIS AFTERNOON THROUGH WEDNESDAY CAUSING
  DANGEROUS DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-210430-
/O.EXB.KMSO.WW.Y.0027.120321T0300Z-120321T1800Z/
POTOMAC/SEELEY LAKE REGION-
225 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
NOON MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THIS
EVENING TO NOON MDT WEDNESDAY.

* IMPACTS/TIMING: SNOW THIS AFTERNOON THROUGH WEDNESDAY CAUSING
  DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 6 INCHES.

* LOCATIONS INCLUDED: SEELEY LAKE...POTOMAC...CONDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ007-008-210430-
/O.EXB.KMSO.WW.Y.0027.120320T2025Z-120321T1600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
125 PM PDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PDT WEDNESDAY...

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

* IMPACTS/TIMING: SNOW AND BLOWING SNOW TUESDAY EVENING THROUGH
  WEDNESDAY CAUSING DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES. 

* LOCATIONS INCLUDED: GREER GRADE...WHITEBIRD GRADE...GRANGEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-005-210430-
/O.EXB.KMSO.WW.Y.0027.120321T0300Z-120321T1600Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
225 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
10 AM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 9 PM THIS
EVENING TO 10 AM MDT WEDNESDAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW TUESDAY EVENING THROUGH
  WEDNESDAY CAUSING DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES...LOCALLY UP TO 5 INCHES.

* LOCATIONS INCLUDED: MISSOULA...HAMILTON...KALISPELL...POLSON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-210430-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
WEST GLACIER REGION-
225 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW THIS AFTERNOON THROUGH 
  WEDNESDAY CAUSING DIFFICULT DRIVING AT TIMES. 

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OVER MARIAS PASS. 2 TO 5 
  INCHES IN THE VALLEYS. 

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO 
  ESSEX.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ001-210430-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
KOOTENAI/CABINET REGION-
225 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW THIS AFTERNOON THROUGH WEDNESDAY

* SNOW ACCUMULATIONS: 2 TO 4 INCHES TUESDAY AFTERNOON INTO
  WEDNESDAY CAUSING DIFFICULT DRIVING AT TIMES.

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93
  EUREKA TO WHITEFISH. 

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.

&&

$$
8 follow-up statements
481 
WWUS45 KMSO 210425
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1025 PM MDT TUE MAR 20 2012

MTZ004-211200-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
LOWER CLARK FORK REGION-
1025 PM MDT TUE MAR 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW TONIGHT AND 
  WEDNESDAY CAUSING LIMITED VISIBILITY AND VERY SLICK ROADS. 

* SNOW ACCUMULATIONS: 6 TO 12 INCHES OVER LOOKOUT PASS 2-5 
  INCHES IN THE LOWER VALLEYS. 

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9 
  MILE...EVARO HILL. 

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 POSSIBLE. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ006-MTZ006-211200-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
1025 PM MDT TUE MAR 20 2012 /925 PM PDT TUE MAR 20 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM
PDT/ WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM
PDT/ WEDNESDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW TONIGHT AND WEDNESDAY
  CAUSING LIMITED VISIBILITY AND VERY SLICK ROADS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES.

* LOCATIONS: LOLO PASS...LOST TRAIL PASS...DIXIE...HIGHWAY 12 
  LOWELL TO LOLO PASS. HIGHWAY 12 LOLO PASS TO LOLO. 

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 POSSIBLE. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ005-211200-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
NORTHERN CLEARWATER MOUNTAINS-
925 PM PDT TUE MAR 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW TONIGHT AND WEDNESDAY CAUSING DANGEROUS
  DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-211200-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
WEST GLACIER REGION-
1025 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW TONIGHT THROUGH WEDNESDAY
  CAUSING DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OVER MARIAS PASS. 2 TO 5 
  INCHES IN THE VALLEYS. 

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO 
  ESSEX. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ001-211200-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
KOOTENAI/CABINET REGION-
1025 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW TONIGHT THROUGH WEDNESDAY

* SNOW ACCUMULATIONS: 2 TO 4 INCHES TONIGHT INTO WEDNESDAY CAUSING
  DIFFICULT DRIVING AT TIMES.

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON 
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93 
  EUREKA TO WHITEFISH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-211200-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
POTOMAC/SEELEY LAKE REGION-
1025 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW TONIGHT INTO WEDNESDAY CAUSING DIFFICULT
  DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 6 INCHES.

* LOCATIONS INCLUDED: SEELEY LAKE...POTOMAC...CONDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-005-211200-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1600Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
1025 PM MDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW TONIGHT THROUGH WEDNESDAY
  CAUSING DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES...LOCALLY UP TO 5 INCHES.

* LOCATIONS INCLUDED: MISSOULA...HAMILTON...KALISPELL...POLSON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ007-008-211200-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1600Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
925 PM PDT TUE MAR 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT
WEDNESDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW TONIGHT THROUGH WEDNESDAY
  CAUSING DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES.

* LOCATIONS INCLUDED: GREER GRADE...WHITEBIRD GRADE... 
  GRANGEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
994 
WWUS45 KMSO 211147
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
547 AM MDT WED MAR 21 2012

MTZ004-211800-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
LOWER CLARK FORK REGION-
547 AM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED VISIBILITY
  AND VERY SLICK ROADS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES OVER LOOKOUT PASS 2-5 
  INCHES IN THE LOWER VALLEYS. 

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9 
  MILE...EVARO HILL. 

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 POSSIBLE. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ006-MTZ006-211800-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
547 AM MDT WED MAR 21 2012 /447 AM PDT WED MAR 21 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM
PDT/ TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM
PDT/ TODAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW THIS MORNING WILL CAUSE
  LIMITED VISIBILITY AND VERY SLICK ROADS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES.

* LOCATIONS: LOLO PASS...LOST TRAIL PASS...DIXIE...HIGHWAY 12 
  LOWELL TO LOLO PASS. HIGHWAY 12 LOLO PASS TO LOLO. 

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 POSSIBLE. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

&&

$$

IDZ005-211800-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
NORTHERN CLEARWATER MOUNTAINS-
447 AM PDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING. 

* IMPACTS/TIMING: SNOW THIS MORNING WILL CAUSE DANGEROUS DRIVING
  CONDITIONS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ007-008-211800-
/O.EXT.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
447 AM PDT WED MAR 21 2012

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

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

* IMPACTS/TIMING: SNOW AND BLOWING SNOW THIS MORNING WILL CAUSE DIFFICULT
  DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES.

* LOCATIONS INCLUDED: GREER GRADE...WHITEBIRD GRADE... 
  GRANGEVILLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-211800-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
WEST GLACIER REGION-
547 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW THIS MORNING WILL CAUSE DIFFICULT
  DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OVER MARIAS PASS. 2 TO 5 
  INCHES IN THE VALLEYS. 

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO 
  ESSEX. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ001-211800-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
KOOTENAI/CABINET REGION-
547 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY.

* IMPACTS/TIMING: SNOW THIS MORNING WILL CAUSE DIFFICULT DRIVING
  AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES TONIGHT INTO WEDNESDAY 
  CAUSING DIFFICULT DRIVING AT TIMES. 

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON 
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93 
  EUREKA TO WHITEFISH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-211800-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
POTOMAC/SEELEY LAKE REGION-
547 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY.

* IMPACTS/TIMING: SNOW THIS MORNING WILL CAUSE DIFFICULT DRIVING
  AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 6 INCHES.

* LOCATIONS INCLUDED: SEELEY LAKE...POTOMAC...CONDON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ003-005-211600-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1600Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
547 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MDT THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MDT THIS
MORNING. 

* IMPACTS/TIMING: SNOW THIS MORNING MAY SLOW THE MORNING COMMUTE.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES...LOCALLY UP TO 5 INCHES.

* LOCATIONS INCLUDED: MISSOULA...HAMILTON...KALISPELL...POLSON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
098 
WWUS45 KMSO 211544
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
944 AM MDT WED MAR 21 2012

MTZ004-211800-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
LOWER CLARK FORK REGION-
944 AM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS. 

* SNOW ACCUMULATIONS: 6 TO 12 INCHES OVER LOOKOUT PASS 2-5 
  INCHES IN THE LOWER VALLEYS. 

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9
  MILE...EVARO HILL.


&&

$$

IDZ006-MTZ006-211800-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
944 AM MDT WED MAR 21 2012 /844 AM PDT WED MAR 21 2012/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM
PDT/ TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT /11 AM
PDT/ TODAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED
  VISIBILITY AND VERY SLICK ROADS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES.

* LOCATIONS: LOLO PASS...LOST TRAIL PASS...DIXIE...HIGHWAY 12
  LOWELL TO LOLO PASS. HIGHWAY 12 LOLO PASS TO LOLO.


&&

$$

IDZ005-211800-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120321T1800Z/
NORTHERN CLEARWATER MOUNTAINS-
844 AM PDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING. 

* IMPACTS/TIMING: SNOW WILL CAUSE DANGEROUS DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO
  HEADQUARTERS...PIERCE

&&

$$

MTZ003-005-211800-
/O.EXT.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
944 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT TODAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON MDT
TODAY. 

* IMPACTS/TIMING: SNOW MAY SLOW THE MORNING COMMUTE.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES...LOCALLY UP TO 5 INCHES.

* LOCATIONS INCLUDED: MISSOULA...HAMILTON...KALISPELL...POLSON


&&

$$

MTZ002-211800-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
WEST GLACIER REGION-
944 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE DIFFICULT
  DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OVER MARIAS PASS. 2 TO 5 
  INCHES IN THE VALLEYS. 

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO
  ESSEX.


&&

$$

MTZ001-211800-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
KOOTENAI/CABINET REGION-
944 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY.

* IMPACTS/TIMING: SNOW WILL CAUSE DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES TONIGHT INTO WEDNESDAY 
  CAUSING DIFFICULT DRIVING AT TIMES. 

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93
  EUREKA TO WHITEFISH.


&&

$$

MTZ043-211800-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
POTOMAC/SEELEY LAKE REGION-
944 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY.

* IMPACTS/TIMING: SNOW WILL CAUSE DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 6 INCHES.

* LOCATIONS INCLUDED: SEELEY LAKE...POTOMAC...CONDON.

&&

$$

IDZ007-008-211800-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
844 AM PDT WED MAR 21 2012

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

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

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE DIFFICULT
  DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES.

* LOCATIONS INCLUDED: GREER GRADE...WHITEBIRD GRADE...
  GRANGEVILLE.

&&

$$
871 
WWUS45 KMSO 211754
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1154 AM MDT WED MAR 21 2012

MTZ005-211900-
/O.CAN.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
MISSOULA/BITTERROOT VALLEYS-
1154 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SNOWFALL IS EXPECTED TO CONTINUE AND MAY LIMIT VISIBILITIES FOR
COMMUTERS AT TIMES. THE THREAT FOR DANGEROUS DRIVING HAS
LESSENED...THEREFOR THE ADVISORY HAS BEEN ALLOWED TO EXPIRE.


$$

MTZ002-220300-
/O.UPG.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
/O.EXB.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
WEST GLACIER REGION-
1154 AM MDT WED MAR 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW...WHICH IS IN EFFECT
UNTIL 6 AM MDT THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER
IN EFFECT. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED
  VISIBILITY AND VERY SLICK ROADS...PARTICULARLY OVER MARIAS PASS.
  HAZARDOUS DRIVING CONDITIONS  ARE EXPECTED.

* SNOW ACCUMULATIONS: MARIAS PASS: 5 TO 10 INCHES. LOWER VALLEYS: 2
  TO 5 INCHES.

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO 
  ESSEX. 

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

&&

$$

MTZ001-220300-
/O.UPG.KMSO.WW.Y.0027.000000T0000Z-120321T1800Z/
/O.EXB.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
KOOTENAI/CABINET REGION-
1154 AM MDT WED MAR 21 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW...WHICH IS IN EFFECT
UNTIL 6 AM MDT THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER
IN EFFECT. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS
  ARE EXPECTED.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES.

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93
  EUREKA TO WHITEFISH.

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

&&

$$

MTZ004-220300-
/O.EXT.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
LOWER CLARK FORK REGION-
1154 AM MDT WED MAR 21 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM MDT THURSDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 AM MDT
THURSDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS
  ARE EXPECTED. 

* SNOW ACCUMULATIONS: LOOKOUT PASS: 6 TO 12 INCHES. LOWER VALLEYS:
  2 TO 5 INCHES.

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9 
  MILE...EVARO HILL. 

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

&&

$$

IDZ006-MTZ006-220300-
/O.EXT.KMSO.WS.W.0005.000000T0000Z-120322T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
1154 AM MDT WED MAR 21 2012 /1054 AM PDT WED MAR 21 2012/

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT /11 PM
PDT/ TONIGHT...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT
/11 PM PDT/ TONIGHT. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS
  ARE EXPECTED.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES.

* LOCATIONS: LOLO PASS...LOST TRAIL PASS...DIXIE...HIGHWAY 12 
  LOWELL TO LOLO PASS. HIGHWAY 12 LOLO PASS TO LOLO. 

&&

$$

IDZ005-220300-
/O.EXT.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
NORTHERN CLEARWATER MOUNTAINS-
1054 AM PDT WED MAR 21 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM PDT THURSDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 AM PDT
THURSDAY. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS
  ARE EXPECTED.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE

$$

MTZ043-220300-
/O.EXT.KMSO.WW.Y.0027.000000T0000Z-120322T0600Z/
POTOMAC/SEELEY LAKE REGION-
1154 AM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT. 

* IMPACTS/TIMING: SNOW WILL CAUSE DIFFICULT DRIVING AT TIMES.

* SNOW ACCUMULATIONS: 2 TO 6 INCHES.

* LOCATIONS INCLUDED: SEELEY LAKE...POTOMAC...CONDON.

&&

$$

MTZ003-220300-
/O.EXT.KMSO.WW.Y.0027.000000T0000Z-120322T1200Z/
FLATHEAD/MISSION VALLEYS-
1154 AM MDT WED MAR 21 2012

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

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 AM MDT
THURSDAY. 

* IMPACTS/TIMING: PERSISTENT ACCUMULATING SNOWFALL WILL CONTINUE
  TO LOWER VISIBILITIES AND CAUSE DIFFICULT DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES ADDITIONAL. FROM BIG FORK TO
  COLUMBIA FALLS...5 TO 8 INCHES.

* LOCATIONS INCLUDED: KALISPELL...POLSON...COMMUNITIES AND
  HIGHWAYS SURROUNDING FLATHEAD LAKE

&&

$$

IDZ007-008-220000-
/O.EXT.KMSO.WW.Y.0027.000000T0000Z-120322T0000Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1054 AM PDT WED MAR 21 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON. 

* IMPACTS/TIMING: PERSISTENT ACCUMULATING SNOWFALL WILL CONTINUE
  TO LOWER VISIBILITIES AND MAKE FOR DIFFICULT DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES.

* LOCATIONS INCLUDED: GREER GRADE...WHITE BIRD GRADE...
  GRANGEVILLE...OROFINO

&&

$$
717 
WWUS45 KMSO 212343
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
543 PM MDT WED MAR 21 2012

MTZ043-220045-
/O.CAN.KMSO.WW.Y.0027.000000T0000Z-120322T0600Z/
POTOMAC/SEELEY LAKE REGION-
543 PM MDT WED MAR 21 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

ACCUMULATING SNOW HAS ENDED ACROSS THE SEELEY LAKE REGION.
THEREFORE THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED.

$$

IDZ007-008-220045-
/O.EXP.KMSO.WW.Y.0027.000000T0000Z-120322T0000Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
443 PM PDT WED MAR 21 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM PDT THIS
AFTERNOON...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM PDT THIS
AFTERNOON. 

ACCUMULATING SNOW HAS ENDED ACROSS THE LOWER HELLS CANYON AND
CAMAS PRAIRIE REGION THIS AFTERNOON. THEREFORE THE ADVISORY HAS
BEEN ALLOWED TO EXPIRE. 

* LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND 
  VICINITY...GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS... 
  WHITE BIRD GRADE

$$

MTZ002-220600-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
WEST GLACIER REGION-
543 PM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS...PARTICULARLY OVER MARIAS 
  PASS. HAZARDOUS DRIVING CONDITIONS ARE EXPECTED. 

* SNOW ACCUMULATIONS: MARIAS PASS: 5 TO 10 INCHES. LOWER 
  VALLEYS: 2 TO 5 INCHES. 

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO 
  ESSEX. 

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

&&

$$

MTZ001-220600-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
KOOTENAI/CABINET REGION-
543 PM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS 
  ARE EXPECTED. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES.

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON 
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93 
  EUREKA TO WHITEFISH. 

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

&&

$$

MTZ004-220600-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
LOWER CLARK FORK REGION-
543 PM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS 
  ARE EXPECTED. 

* SNOW ACCUMULATIONS: LOOKOUT PASS: 6 TO 12 INCHES. LOWER 
  VALLEYS: 2 TO 5 INCHES. 

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9 
  MILE...EVARO HILL. 

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

&&

$$

IDZ006-MTZ006-220600-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
543 PM MDT WED MAR 21 2012 /443 PM PDT WED MAR 21 2012/

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

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

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS 
  ARE EXPECTED. 

* SNOW ACCUMULATIONS: 6 TO 12 INCHES.

* LOCATIONS: LOLO PASS...LOST TRAIL PASS...DIXIE...HIGHWAY 12 
  LOWELL TO LOLO PASS. HIGHWAY 12 LOLO PASS TO LOLO. 

&&

$$

IDZ005-220600-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
NORTHERN CLEARWATER MOUNTAINS-
443 PM PDT WED MAR 21 2012

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

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

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS 
  ARE EXPECTED. 

* SNOW ACCUMULATIONS: 6 TO 12 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE

$$

MTZ003-220600-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120322T1200Z/
FLATHEAD/MISSION VALLEYS-
543 PM MDT WED MAR 21 2012

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

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

* IMPACTS/TIMING: PERSISTENT ACCUMULATING SNOWFALL WILL CONTINUE 
  TO LOWER VISIBILITIES AND CAUSE DIFFICULT DRIVING CONDITIONS. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES ADDITIONAL. FROM BIG FORK TO 
  COLUMBIA FALLS...5 TO 8 INCHES. 

* LOCATIONS INCLUDED: KALISPELL...POLSON...COMMUNITIES AND 
  HIGHWAYS SURROUNDING FLATHEAD LAKE 

&&

$$
809 
WWUS45 KMSO 220255
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
855 PM MDT WED MAR 21 2012

IDZ006-MTZ006-220400-
/O.CAN.KMSO.WS.W.0005.000000T0000Z-120322T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
855 PM MDT WED MAR 21 2012 /755 PM PDT WED MAR 21 2012/

...WINTER STORM WARNING IS CANCELLED...

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

THE ACCUMULATING SNOW HAS ENDED OVER LOST TRAIL AND LOLO PASSES AS
WELL AS THE HIGHER TERRAIN OF THE CLEARWATER MOUNTAINS. THEREFORE
THE WINTER STORM WARNING HAS BEEN CANCELLED.

$$

MTZ002-221200-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
WEST GLACIER REGION-
855 PM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY.

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED 
  VISIBILITY AND VERY SLICK ROADS...PARTICULARLY OVER MARIAS 
  PASS. HAZARDOUS DRIVING CONDITIONS ARE EXPECTED. 

* SNOW ACCUMULATIONS: MARIAS PASS: 5 TO 10 INCHES. LOWER 
  VALLEYS: 2 TO 5 INCHES. 

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO 
  ESSEX. 

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

&&

$$

MTZ001-221200-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
KOOTENAI/CABINET REGION-
855 PM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY.

* IMPACTS/TIMING: SNOW...MODERATE TO HEAVY AT TIMES WILL CAUSE
  LIMITED VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING
  CONDITIONS ARE EXPECTED.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES.

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON 
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93 
  EUREKA TO WHITEFISH. 

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

&&

$$

MTZ004-221200-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
LOWER CLARK FORK REGION-
855 PM MDT WED MAR 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY.

* IMPACTS/TIMING: SNOW...MODERATE TO HEAVY AT TIMES WILL CAUSE
  LIMITED VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING
  CONDITIONS ARE EXPECTED.

* SNOW ACCUMULATIONS: LOOKOUT PASS: 6 TO 12 INCHES. LOWER 
  VALLEYS: 2 TO 5 INCHES. 

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9 
  MILE...EVARO HILL. 

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

&&

$$

IDZ005-221200-
/O.CON.KMSO.WS.W.0005.000000T0000Z-120322T1200Z/
NORTHERN CLEARWATER MOUNTAINS-
755 PM PDT WED MAR 21 2012

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

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

* IMPACTS/TIMING: SNOW...MODERATE TO HEAVY AT TIMES WILL CAUSE
  LIMITED VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING
  CONDITIONS ARE EXPECTED.

* SNOW ACCUMULATIONS: 6 TO 12 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE

$$

MTZ003-221200-
/O.CON.KMSO.WW.Y.0027.000000T0000Z-120322T1200Z/
FLATHEAD/MISSION VALLEYS-
855 PM MDT WED MAR 21 2012

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

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

* IMPACTS/TIMING: SNOW WILL BECOME PERSISTENT AND ACCUMULATE ON
  AREA ROADS OVERNIGHT. THE SNOWFALL WILL LOWER VISIBILITIES AND
  CAUSE DIFFICULT DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES. FROM BIG FORK TO COLUMBIA
  FALLS...5 TO 8 INCHES.

* LOCATIONS INCLUDED: KALISPELL...POLSON...COMMUNITIES AND 
  HIGHWAYS SURROUNDING FLATHEAD LAKE 

&&

$$
985 
WWUS45 KMSO 220930
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
330 AM MDT THU MAR 22 2012

MTZ002-221500-
/O.EXT.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
WEST GLACIER REGION-
330 AM MDT THU MAR 22 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CAUSE LIMITED
  VISIBILITY AND VERY SLICK ROADS...PARTICULARLY OVER MARIAS PASS.
  HAZARDOUS DRIVING CONDITIONS ARE EXPECTED. CONDITIONS ARE
  EXPECTED TO IMPROVE SHORTLY AFTER SUNRISE. 

* SNOW ACCUMULATIONS: MARIAS PASS: AN ADDITIONAL 1 TO 3 INCHES.
  LOWER VALLEYS: AN ADDITIONAL 1 TO 2 INCHES.

* LOCATIONS INCLUDED: MARIAS PASS...HIGHWAY 2 WEST GLACIER TO 
  ESSEX. 

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

&&

$$

MTZ001-221500-
/O.EXT.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
KOOTENAI/CABINET REGION-
330 AM MDT THU MAR 22 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* IMPACTS/TIMING: SNOW...MODERATE AT TIMES WILL CAUSE LIMITED
  VISIBILITY AND SLICK ROADS. HAZARDOUS DRIVING CONDITIONS ARE
  EXPECTED. CONDITIONS ARE EXPECTED TO IMPROVE SHORTLY AFTER SUNRISE.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 TO 3 INCHES.

* LOCATIONS: HIGHWAY 37 LIBBY TO EUREKA...HIGHWAY 200 THOMPSON 
  FALLS TO NOXON...HIGHWAY 2 LIBBY TO KALISPELL...HIGHWAY 93 
  EUREKA TO WHITEFISH. 

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

&&

$$

MTZ004-221500-
/O.EXT.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
LOWER CLARK FORK REGION-
330 AM MDT THU MAR 22 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* IMPACTS/TIMING: SNOW...MODERATE AT TIMES WILL CAUSE LIMITED
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS
  ARE EXPECTED. CONDITIONS ARE EXPECTED TO IMPROVE SHORTLY AFTER SUNRISE.

* SNOW ACCUMULATIONS: LOOKOUT PASS: AN ADDITIONAL 1 TO 3 INCHES.
  LOWER VALLEYS: AN ADDITIONAL 1 TO 2 INCHES.

* LOCATIONS: I-90 LOOKOUT PASS TO HAUGAN...I-90 ST. REGIS TO 9 
  MILE...EVARO HILL. 

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

&&

$$

IDZ005-221500-
/O.EXT.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
NORTHERN CLEARWATER MOUNTAINS-
230 AM PDT THU MAR 22 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 AM PDT THIS
MORNING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 8 AM PDT THIS
MORNING. 

* IMPACTS/TIMING: SNOW...MODERATE AT TIMES WILL CAUSE LIMITED
  VISIBILITY AND VERY SLICK ROADS. HAZARDOUS DRIVING CONDITIONS
  ARE EXPECTED. CONDITIONS ARE EXPECTED TO IMPROVE SHORTLY AFTER SUNRISE.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 TO 3 INCHES

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE

$$

MTZ003-221500-
/O.EXT.KMSO.WW.Y.0027.000000T0000Z-120322T1500Z/
FLATHEAD/MISSION VALLEYS-
330 AM MDT THU MAR 22 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* IMPACTS/TIMING: RECENT SNOWFALL AND MOISTURE ON THE ROADWAYS MAY
  REFREEZE CAUSING SLICK CONDITIONS. CONDITIONS ARE EXPECTED TO IMPROVE
  SHORTLY AFTER SUNRISE.

* SNOW ACCUMULATIONS: LESS THAN AN INCH.

* LOCATIONS INCLUDED: KALISPELL...POLSON...COMMUNITIES AND 
  HIGHWAYS SURROUNDING FLATHEAD LAKE 

&&

$$
933 
WWUS45 KMSO 221447
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
847 AM MDT THU MAR 22 2012


MTZ002-221600-
/O.EXP.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
WEST GLACIER REGION-
847 AM MDT THU MAR 22 2012

...WINTER STORM WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING. 

SOME LIGHT SNOW WILL CONTINUE AND ROADS MAY REMAIN SLICK UNTIL
THIS AFTERNOON...BUT THE MAIN IMPACTS FROM THIS STORM ARE OVER.

$$

MTZ001-221600-
/O.EXP.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
KOOTENAI/CABINET REGION-
847 AM MDT THU MAR 22 2012

...WINTER STORM WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING. 

LIGHT SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY AND ROADS
WILL LIKELY REMAIN SLICK...BUT THE MAIN IMPACTS FROM THE STORM ARE
OVER AND CONDITIONS WILL IMPROVE THROUGHOUT THE DAY.


$$

MTZ004-221600-
/O.EXP.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
LOWER CLARK FORK REGION-
847 AM MDT THU MAR 22 2012

...WINTER STORM WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING. 

LIGHT SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY AND ROADS
WILL LIKELY REMAIN SLICK...BUT THE MAIN IMPACTS FROM THE STORM ARE
OVER AND CONDITIONS WILL IMPROVE THROUGHOUT THE DAY.

$$

IDZ005-221600-
/O.EXP.KMSO.WS.W.0005.000000T0000Z-120322T1500Z/
NORTHERN CLEARWATER MOUNTAINS-
747 AM PDT THU MAR 22 2012

...WINTER STORM WARNING WILL EXPIRE AT 8 AM PDT THIS MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 8 AM PDT THIS MORNING. 

LIGHT SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY AND ROADS
WILL LIKELY REMAIN SLICK THIS MORNING...BUT THE MAIN IMPACTS FROM THE
STORM ARE OVER AND CONDITIONS WILL IMPROVE THROUGHOUT THE DAY.


$$

MTZ003-221600-
/O.EXP.KMSO.WW.Y.0027.000000T0000Z-120322T1500Z/
FLATHEAD/MISSION VALLEYS-
847 AM MDT THU MAR 22 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING.

SNOW HAS STOPPED...BUT ROADS MAY REMAIN SLICK THIS MORNING. THE
MAIN IMPACTS OF THE STORM ARE OVER AND CONDITIONS WILL IMPROVE
THROUGHOUT THE DAY TODAY.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 8:41 AM MDTWind AdvisoryMSODeer Lodge, Granite, Powell, Silver Bow11 hr
Mar 20, 12:29 PM MDTHigh Wind WarningMSODeer Lodge, Granite, Powell, Silver Bow8 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.