Winter Weather Warnings / Watches / Advisories
Issued by NWS Missoula, MT

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WWUS45 KMSO 212037
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
137 PM MST SUN DEC 21 2014

MTZ002-006-007-043-221200-
/O.CON.KMSO.WW.Y.0072.000000T0000Z-141222T1200Z/
WEST GLACIER REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
137 PM MST SUN DEC 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY.

* IMPACTS/TIMING: PERIODS OF MODERATE TO HEAVY SNOW SHOWERS WILL
  CONTINUE THE REMAINDER OF THIS AFTERNOON THROUGH THE OVERNIGHT
  HOURS ACROSS AREA PASSES. SNOW LEVELS WILL DECREASE TO VALLEY
  BOTTOMS BY EARLY MONDAY ALLOWING FOR LIGHT SNOW ACCUMULATIONS
  FOR SOME LOWER ELEVATIONS. STRONG GUSTY WINDS COMBINED WITH SNOW
  SHOWERS ACROSS SOUTHWEST MONTANA WILL REDUCE VISIBILITIES MAKING
  FOR TOUGH TRAVEL AT TIMES INTO THIS EVENING.

* ADDITIONAL SNOW ACCUMULATIONS: 2 TO 4 INCHES AT LOOKOUT AND LOLO
  PASSES WITH 3 TO 6 INCHES AT LOST TRAIL PASS. 1 TO 2 INCHES AT
  MACDONALD...MARIAS AND HOMESTAKE PASSES AND ACROSS THE
  GEORGETOWN LAKE AND SEELEY LAKE AREAS.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY
  93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN
  LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...
  MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83
  SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ005-006-009-010-MTZ004-221200-
/O.CON.KMSO.WW.Y.0072.000000T0000Z-141222T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-LOWER CLARK FORK REGION-
137 PM MST SUN DEC 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ MONDAY ABOVE 4000 FEET...

A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ MONDAY.

* IMPACTS/TIMING:PERIODS OF MODERATE TO HEAVY SNOW SHOWERS WILL
  CONTINUE THE REMAINDER OF THIS AFTERNOON THROUGH THE OVERNIGHT
  HOURS FOR AREA PASSES. MOUNTAIN ROADS WILL BE VERY DIFFICULT OR
  DANGEROUS TO TRAVEL ON AT TIMES ESPECIALLY LOLO AND LOST TRAIL
  PASSES AND AT GILMORE SUMMIT. SNOW LEVELS WILL DECREASE TO
  VALLEY BOTTOMS BY EARLY MONDAY ALLOWING FOR LIGHT SNOW
  ACCUMULATIONS ACROSS SOME LOWER ELEVATIONS.

* ADDITIONAL SNOW ACCUMULATIONS: 2 TO 4 INCHES AT LOLO PASS AND THE
  WILLIAMS CREEK SUMMIT WITH 3 TO 6 INCHES AT LOST TRAIL PASS.
  GILMORE SUMMIT COULD SEE AN ADDITIONAL 1 TO 2 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


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