Alert archive / Montana / Winter Storm Warnings in 2012

Winter Storm Warning 6, NWS Missoula, MT

April 5, 20124 counties in Montana; Lemhi County, Idaho

NWS Missoula, MT issued this winter storm warning at Apr 5, 2012, 4:07 AM MDT for 4 counties in Montana; Lemhi County, Idaho. It took effect at Apr 6, 2012, 12:00 AM MDT. It was in force for 27 hr. 11 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
Apr 5, 2012, 4:07 AM MDT (10:07 UTC)
In effect from
Apr 6, 2012, 12:00 AM MDT
Expired
Apr 7, 2012, 2:30 AM MDT
In force
27 hr
Issued by
NWS Missoula, MT

Counties Lemhi County, ID, Deer Lodge County, MT, Granite County, MT, Powell County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 127 km from the middle of the area, began a volume at 10:10 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
Apr 6, 7:54 AM MDTSNOW 4.27 Nw Anaconda, MTSTILL SNOWING LIGHTLY
Apr 6, 8:19 AM MDTHEAVY SNOW 67 S Butte, MTSTILL SNOWING LIGHTLY, SOME BLOWING AND DRIFTING OVERNIGHT
Apr 6, 1:16 PM MDTSNOW 4Anaconda, MT
Apr 6, 5:00 PM MDTSNOW 77 S Butte, MT
Apr 6, 6:00 PM MDTSNOW 7Butte, MT
Apr 6, 6:00 PM MDTSNOW 81 Wsw Georgetown, MT
Apr 6, 6:15 PM MDTSNOW 8.3Anaconda, MTMODERATE SNOW CURRENTLY FALLING.
Apr 6, 6:40 PM MDTSNOW 7.37 Nw Anaconda, MT
Apr 6, 6:40 PM MDTSNOW 7.47 Nw Anaconda, MT
Apr 6, 7:08 PM MDTSNOW 6Philipsburg, MT
Apr 6, 8:00 PM MDTSNOW 97 S Butte, MT

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

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 10.1 hours before the alert went out and 254 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, Great_falls, MT at 00:00Z on 2012-04-05Temperature 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, Great_falls, MT at 00:00Z on 2012-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2556 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
105 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.

471 
WWUS45 KMSO 051007
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
407 AM MDT THU APR 5 2012

IDZ010-052200-
/O.NEW.KMSO.WS.W.0006.120406T0600Z-120407T1200Z/
/O.NEW.KMSO.WW.Y.0034.120406T0600Z-120407T1200Z/
EASTERN LEMHI COUNTY-
407 AM MDT THU APR 5 2012

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
MDT SATURDAY FOR LOST TRAIL PASS...
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW FOR LOST TRAIL PASS... WHICH IS IN EFFECT
FROM MIDNIGHT TONIGHT TO 6 AM MDT SATURDAY. 

A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER
WEATHER ADVISORY FOR SNOW IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6
AM MDT SATURDAY.

* IMPACTS/TIMING: ACCUMULATING SNOW AND BLOWING SNOW EARLY FRIDAY MORNING
  THROUGH SATURDAY MORNING

* SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL PASS.
                      3 TO 6 INCHES OVER GILMORE SUMMIT.
                      2 TO 4 INCHES IN THE VALLEYS.

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 93 LOST
  TRAIL PASS TO GIBBONSVILLE...GILMORE SUMMIT...HIGHWAY 28 SALMON
  TO LEADORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
BLOWING SNOW...ARE EXPECTED OR OCCURRING. GUSTY WINDS ARE ALSO
POSSIBLE WHICH WILL FURTHER HAMPER TRAVEL. 

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

&&

$$

MTZ007-052200-
/O.UPG.KMSO.WS.A.0005.120406T0600Z-120407T1200Z/
/O.NEW.KMSO.WS.W.0006.120406T0600Z-120407T1200Z/
BUTTE/BLACKFOOT REGION-
407 AM MDT THU APR 5 2012

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 AM MDT SATURDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

* SNOW ACCUMULATIONS: 5 TO 9 INCHES FROM BUTTE TO DEER LODGE.
 MACDONALD AND HOMESTAKE PASSES 9 TO 14 INCHES. 10 TO 15 INCHES IN
 PHILIPSBURG AND GEORGETOWN LAKE.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY
  12 GARRISON TO ELLISTON...MACDONALD PASS...I-90 FROM DRUMMOND TO BUTTE.

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.

&&

$$
6 follow-up statements
435 
WWUS45 KMSO 051658
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1058 AM MDT THU APR 5 2012

IDZ010-061100-
/O.CON.KMSO.WS.W.0006.120406T0600Z-120407T1200Z/
/O.CON.KMSO.WW.Y.0034.120406T0600Z-120407T1200Z/
EASTERN LEMHI COUNTY-
1058 AM MDT THU APR 5 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 AM MDT SATURDAY FOR LOST TRAIL PASS...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM MDT SATURDAY...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT FROM
MIDNIGHT TONIGHT TO 6 AM MDT SATURDAY. A WINTER WEATHER ADVISORY
REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT SATURDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL BEGIN EARLY FRIDAY
  MORNING AND CONTINUE THROUGH FRIDAY NIGHT. SNOW COVERED...SLUSHY
  AND SLICK ROADWAYS ARE EXPECTED.

* SNOW ACCUMULATIONS: 9 TO 14 INCHES OVER LOST TRAIL PASS. 5 TO 9
  INCHES OVER GILMORE SUMMIT. 2 TO 4 INCHES SALMON. 4 TO 7 INCHES
  IN LEADORE.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. BE PREPARED FOR SLIPPERY ROADS AND LIMITED 
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

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

&&

$$

MTZ007-061100-
/O.CON.KMSO.WS.W.0006.120406T0600Z-120407T1200Z/
BUTTE/BLACKFOOT REGION-
1058 AM MDT THU APR 5 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 AM MDT SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM MDT SATURDAY. 

* SNOW ACCUMULATIONS: 5 TO 9 INCHES FROM BUTTE TO DEER LODGE. 
  MACDONALD AND HOMESTAKE PASSES 9 TO 14 INCHES. 10 TO 15 INCHES 
  IN PHILIPSBURG AND GEORGETOWN LAKE. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ005-043-061100-
/O.EXB.KMSO.WW.Y.0034.120406T1200Z-120407T1200Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
1058 AM MDT THU APR 5 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM FRIDAY TO 6 AM MDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM FRIDAY TO 6
AM MDT SATURDAY.

* IMPACTS/TIMING: SNOW WILL BEGIN FRIDAY MORNING WITH
  ACCUMULATIONS EXPECTED ON ROADWAYS BY THE MORNING COMMUTE. SNOW
  WILL CONTINUE THROUGH THE AFTERNOON WITH WET AND SLUSHY
  ROADWAYS.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES BITTERROOT VALLEY WITH LOCALLY
  HIGHER AMOUNTS. 1 TO 3 INCHES IN THE MISSOULA VALLEY WITH UP TO
  6 INCHES IN THE SOUTH HILLS AND NEAR LOLO. 4 TO 7 INCHES OVER
  EVARO HILL AND ALONG HIGHWAYS 200 AND 83.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-061100-
/O.EXB.KMSO.WW.Y.0034.120406T1200Z-120407T1200Z/
WEST GLACIER REGION-
1058 AM MDT THU APR 5 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM FRIDAY TO 6 AM MDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM FRIDAY TO 6
AM MDT SATURDAY.

* IMPACTS/TIMING: SNOW WILL INCREASE THROUGH FRIDAY AND LINGER
  INTO SATURDAY MORNING. SLICK AND SNOW COVERED ROADWAYS ARE
  EXPECTED ESPECIALLY OVER MARIAS PASS.

* SNOW ACCUMULATIONS: 3 TO 6 WITH 5 TO 8 INCHES OVER MARIAS PASS.
 
* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ006-061100-
/O.EXA.KMSO.WW.Y.0034.120406T0600Z-120407T1200Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
1058 AM MDT THU APR 5 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 6 AM MDT SATURDAY.

* IMPACTS/TIMING: SNOW WILL BEGIN TONIGHT WITH MAIN ACCUMULATIONS
  EXPECTED FRIDAY MORNING THROUGH FRIDAY NIGHT.

* SNOW ACCUMULATIONS: 5 TO 7 INCHES OVER LOLO PASS. 9 TO 14 INCHES
  OVER LOST TRAIL PASS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
483 
WWUS45 KMSO 060958
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
358 AM MDT FRI APR 6 2012

IDZ010-062100-
/O.CON.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
EASTERN LEMHI COUNTY-
358 AM MDT FRI APR 6 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY
FOR LOST TRAIL PASS...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 6 AM MDT SATURDAY. A WINTER WEATHER ADVISORY REMAINS IN
EFFECT UNTIL 6 AM MDT SATURDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL BEGIN EARLY FRIDAY 
  MORNING AND CONTINUE THROUGH FRIDAY NIGHT. SNOW COVERED...
  SLUSHY AND SLICK ROADWAYS ARE EXPECTED. 

* SNOW ACCUMULATIONS: 9 TO 14 INCHES OVER LOST TRAIL PASS. 5 TO 
  9 INCHES OVER GILMORE SUMMIT. 2 TO 4 INCHES SALMON. 4 TO 7 
  INCHES IN LEADORE. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

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

&&

$$

MTZ007-062100-
/O.CON.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
BUTTE/BLACKFOOT REGION-
358 AM MDT FRI APR 6 2012

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

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

* SNOW ACCUMULATIONS: 5 TO 9 INCHES FROM BUTTE TO DEER LODGE. 
  MACDONALD AND HOMESTAKE PASSES 9 TO 14 INCHES. 10 TO 15 INCHES 
  IN PHILIPSBURG AND GEORGETOWN LAKE. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ006-062100-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
358 AM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL BEGIN TONIGHT WITH MAIN 
  ACCUMULATIONS EXPECTED FRIDAY MORNING THROUGH FRIDAY NIGHT. 

* SNOW ACCUMULATIONS: 5 TO 7 INCHES OVER LOLO PASS. 9 TO 14 
  INCHES OVER LOST TRAIL PASS. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ005-043-062100-
/O.CON.KMSO.WW.Y.0034.120406T1200Z-120407T1200Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
358 AM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL BEGIN FRIDAY MORNING WITH 
  ACCUMULATIONS EXPECTED ON ROADWAYS BY THE MORNING COMMUTE. 
  SNOW WILL CONTINUE THROUGH THE AFTERNOON WITH WET AND SLUSHY 
  ROADWAYS. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES BITTERROOT VALLEY WITH LOCALLY
  HIGHER AMOUNTS. 1 TO 2 INCHES IN THE MISSOULA VALLEY WITH UP TO
  4 INCHES IN THE SOUTH HILLS AND NEAR LOLO. 3 TO 5 INCHES OVER
  EVARO HILL AND ALONG HIGHWAYS 200 AND 83.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-062100-
/O.CON.KMSO.WW.Y.0034.120406T1200Z-120407T1200Z/
WEST GLACIER REGION-
358 AM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL INCREASE THROUGH FRIDAY AND LINGER 
  INTO SATURDAY MORNING. SLICK AND SNOW COVERED ROADWAYS ARE 
  EXPECTED ESPECIALLY OVER MARIAS PASS. 

* SNOW ACCUMULATIONS: 2 TO 4 WITH 4 TO 8 INCHES OVER MARIAS PASS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
801 
WWUS45 KMSO 061414
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
814 AM MDT FRI APR 6 2012

IDZ010-070000-
/O.CON.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
EASTERN LEMHI COUNTY-
814 AM MDT FRI APR 6 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY
FOR LOST TRAIL PASS...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR LOST TRAIL PASS REMAINS IN EFFECT
UNTIL 6 AM MDT SATURDAY. A WINTER WEATHER ADVISORY REMAINS IN
EFFECT UNTIL 6 AM MDT SATURDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY. SNOW
  COVERED... SLUSHY AND SLICK ROADWAYS ARE EXPECTED.

* SNOW ACCUMULATIONS: 9 TO 14 INCHES OVER LOST TRAIL PASS. 5 TO 
  9 INCHES OVER GILMORE SUMMIT. 2 TO 4 INCHES SALMON. 4 TO 7 
  INCHES IN LEADORE. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. BE PREPARED FOR SLIPPERY ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

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

&&

$$

MTZ007-070000-
/O.CON.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
BUTTE/BLACKFOOT REGION-
814 AM MDT FRI APR 6 2012

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

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

* SNOW ACCUMULATIONS: 5 TO 9 INCHES FROM BUTTE TO DEER LODGE. 
  MACDONALD AND HOMESTAKE PASSES 9 TO 14 INCHES. 10 TO 15 INCHES 
  IN PHILIPSBURG AND GEORGETOWN LAKE. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ006-070000-
/O.EXB.KMSO.WW.Y.0034.000000T0000Z-120407T0000Z/
SOUTHERN CLEARWATER MOUNTAINS-
714 AM PDT FRI APR 6 2012

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

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON.

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW SHOWERS WILL BRING
  ACCUMULATING SNOW THROUGH THIS AFTERNOON. SLICK AND SNOW
  COVERED ROADWAYS ARE EXPECTED ESPECIALLY THROUGH THIS MORNING. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES IN MOST LOCATIONS EXCEPT FOR
  LOWELL WHERE LITTLE TO NO ACCUMULATIONS ARE POSSIBLE.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ008-070000-
/O.EXB.KMSO.WW.Y.0034.000000T0000Z-120407T0000Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
714 AM PDT FRI APR 6 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON FOR WHITE BIRD GRADE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW FOR WHITE BIRD GRADE...WHICH IS IN
EFFECT UNTIL 5 PM PDT THIS AFTERNOON.

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW SHOWERS WILL BRING
  ACCUMULATING SNOW THROUGH THIS AFTERNOON. SLICK AND SNOW
  COVERED ROADWAYS ARE EXPECTED ESPECIALLY THROUGH THIS MORNING. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ006-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
814 AM MDT FRI APR 6 2012

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

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

* SNOW ACCUMULATIONS: 5 TO 7 INCHES OVER LOLO PASS. 9 TO 14 
  INCHES OVER LOST TRAIL PASS. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ005-043-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
814 AM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL INCREASE THROUGH THIS MORNING WITH
  ACCUMULATIONS EXPECTED ON ROADWAYS DURING MORNING COMMUTE. SNOW WILL
  CONTINUE THROUGH THE AFTERNOON WITH WET AND SLUSHY ROADWAYS.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES BITTERROOT VALLEY WITH 
  LOCALLY HIGHER AMOUNTS. 1 TO 2 INCHES IN THE MISSOULA VALLEY 
  WITH UP TO 4 INCHES IN THE SOUTH HILLS AND NEAR LOLO. 3 TO 5 
  INCHES OVER EVARO HILL AND ALONG HIGHWAYS 200 AND 83. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
WEST GLACIER REGION-
814 AM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL INCREASE THROUGH TODAY AND LINGER 
  INTO SATURDAY MORNING. SLICK AND SNOW COVERED ROADWAYS ARE 
  EXPECTED ESPECIALLY OVER MARIAS PASS. 

* SNOW ACCUMULATIONS: 2 TO 4 WITH 4 TO 8 INCHES OVER MARIAS PASS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
518 
WWUS45 KMSO 061821
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1221 PM MDT FRI APR 6 2012

IDZ010-070000-
/O.CAN.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
/O.CON.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
EASTERN LEMHI COUNTY-
1221 PM MDT FRI APR 6 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY
FOR LOST TRAIL PASS...
...WINTER WEATHER ADVISORY IS CANCELLED FOR...HIGHWAY 93 LOST
TRAIL PASS TO GIBBONSVILLE

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. A WINTER STORM WARNING FOR LOST TRAIL PASS
REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY. 

* IMPACTS/TIMING: ACCUMULATING SNOW WILL CONTINUE TODAY OVER LOST
  TRIAL PASS. THE REST OF LEMHI COUNTY WILL LIKELY SEE SNOW
  SHOWERS WITH LIMITED ACCUMULATION.

* SNOW ACCUMULATIONS: 9 TO 14 INCHES OVER LOST TRAIL PASS. 

&&

$$

MTZ005-061930-
/O.CAN.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
MISSOULA/BITTERROOT VALLEYS-
1221 PM MDT FRI APR 6 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SNOW WILL CONTINUE INTO THIS EVENING BUT ACCUMULATIONS ON ROADWAYS
ARE NO LONGER EXPECTED.

$$

MTZ007-070000-
/O.CON.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
BUTTE/BLACKFOOT REGION-
1221 PM MDT FRI APR 6 2012

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

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

* SNOW ACCUMULATIONS: 5 TO 9 INCHES FROM BUTTE TO DEER LODGE. 
  MACDONALD AND HOMESTAKE PASSES 9 TO 14 INCHES. 10 TO 15 INCHES 
  IN PHILIPSBURG AND GEORGETOWN LAKE. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ006-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
1221 PM MDT FRI APR 6 2012

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

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

* SNOW ACCUMULATIONS: 5 TO 7 INCHES OVER LOLO PASS. 9 TO 14 
  INCHES OVER LOST TRAIL PASS. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ043-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
POTOMAC/SEELEY LAKE REGION-
1221 PM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL INCREASE THIS AFTERNOON WITH
  ACCUMULATIONS EXPECTED THIS EVENING.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES OVER EVARO HILL AND ALONG
  HIGHWAYS 200 AND 83.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ002-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
WEST GLACIER REGION-
1221 PM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL INCREASE THROUGH TODAY AND LINGER 
  INTO SATURDAY MORNING. SLICK AND SNOW COVERED ROADWAYS ARE 
  EXPECTED ESPECIALLY OVER MARIAS PASS. 

* SNOW ACCUMULATIONS: 2 TO 4 WITH 4 TO 8 INCHES OVER MARIAS PASS.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ006-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T0000Z/
SOUTHERN CLEARWATER MOUNTAINS-
1121 AM PDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW SHOWERS WILL BRING
  ACCUMULATING SNOW THROUGH THIS AFTERNOON. SLICK AND SNOW COVERED
  ROADWAYS ARE EXPECTED.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES IN MOST LOCATIONS EXCEPT FOR 
  LOWELL WHERE LITTLE TO NO ACCUMULATIONS ARE POSSIBLE. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ008-070000-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T0000Z/
LOWER HELLS CANYON/SALMON RIVER REGION-
1121 AM PDT FRI APR 6 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON FOR WHITE BIRD GRADE...

A WINTER WEATHER ADVISORY FOR WHITE BIRD GRADE REMAINS IN EFFECT
UNTIL 5 PM PDT THIS AFTERNOON. 

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW SHOWERS WILL BRING
  ACCUMULATING SNOW THROUGH THIS AFTERNOON. SLICK AND SNOW COVERED
  ROADWAYS ARE EXPECTED.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES BY THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
039 
WWUS45 KMSO 062340 AAA
WSWMSO

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MISSOULA MT
540 PM MDT FRI APR 6 2012

IDZ010-070045-
/O.CAN.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
EASTERN LEMHI COUNTY-
540 PM MDT FRI APR 6 2012

...WINTER STORM WARNING IS CANCELLED...

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

SNOW HAS TAPERED OFF THOUGH LIGHT SNOW SHOWERS MAY CONTINUE FOR
THE NEXT FEW HOURS. IMPACTS TO TRAVEL HAVE ALSO
DIMINISHED...THEREFORE THE WARNING HAS BEEN CANCELLED. 

$$

IDZ006-008-070045-
/O.CAN.KMSO.WW.Y.0034.000000T0000Z-120407T0000Z/
SOUTHERN CLEARWATER MOUNTAINS-
LOWER HELLS CANYON/SALMON RIVER REGION-
440 PM PDT FRI APR 6 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SNOW HAS TAPERED OFF THOUGH LIGHT SNOW SHOWERS MAY CONTINUE FOR
THE NEXT FEW HOURS. IMPACTS TO TRAVEL HAVE ALSO
DIMINISHED...THEREFORE THE ADVISORY HAS BEEN CANCELLED. 

$$

MTZ007-071200-
/O.CON.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
BUTTE/BLACKFOOT REGION-
540 PM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOWFALL WILL CONTINUE THROUGH THE
  EVENING...CREATING THE POTENTIAL FOR DIFFICULT DRIVING
  CONDITIONS.

* SNOW ACCUMULATIONS: TOTAL OF 5 TO 9 INCHES FROM BUTTE TO DEER
  LODGE. MACDONALD AND HOMESTAKE PASSES: TOTAL OF 9 TO 14 INCHES.
  IN PHILIPSBURG AND GEORGETOWN LAKE: TOTAL OF 10 TO 15 INCHES. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY
  12 GARRISON TO ELLISTON...MACDONALD PASS

&&

$$

MTZ006-071200-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
540 PM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOWFALL WILL CONTINUE THROUGH THE
  EVENING...CREATING THE POTENTIAL FOR DIFFICULT DRIVING
  CONDITIONS.

* SNOW ACCUMULATIONS: TOTAL OF 5 TO 7 INCHES OVER LOLO PASS. TOTAL
  OF 9 TO 14 INCHES OVER LOST TRAIL PASS.

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


&&

$$

MTZ043-071200-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
POTOMAC/SEELEY LAKE REGION-
540 PM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOWFALL WILL CONTINUE THROUGH THE
  EVENING...CREATING THE POTENTIAL FOR DIFFICULT DRIVING
  CONDITIONS.

* SNOW ACCUMULATIONS: TOTAL OF 2 TO 4 INCHES OVER EVARO HILL AND
  ALONG HIGHWAYS 200 AND 83.

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


&&

$$

MTZ002-071200-
/O.CON.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
WEST GLACIER REGION-
540 PM MDT FRI APR 6 2012

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

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

* IMPACTS/TIMING: SNOW WILL LINGER INTO SATURDAY MORNING. SLICK
  AND SNOW COVERED ROADWAYS ARE EXPECTED ESPECIALLY OVER MARIAS
  PASS.

* SNOW ACCUMULATIONS: TOTAL OF 2 TO 4 INCHES...AND 4 TO 8 INCHES
  OVER MARIAS PASS.

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

&&

$$
217 
WWUS45 KMSO 070830
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
230 AM MDT SAT APR 7 2012


MTZ007-070930-
/O.CAN.KMSO.WS.W.0006.000000T0000Z-120407T1200Z/
BUTTE/BLACKFOOT REGION-
230 AM MDT SAT APR 7 2012

...WINTER STORM WARNING IS CANCELLED...

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


$$

MTZ002-006-043-070930-
/O.CAN.KMSO.WW.Y.0034.000000T0000Z-120407T1200Z/
WEST GLACIER REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
POTOMAC/SEELEY LAKE REGION-
230 AM MDT SAT APR 7 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

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



$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 4:07 AM MDTWinter Weather AdvisoryMSOFlathead, Granite, Lake, Missoula, Powell, Ravalli46 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.