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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
918 PM MST SUN DEC 21 2014

MTZ009-014-048-052-221200-
/O.CON.KTFX.WW.Y.0054.000000T0000Z-141222T1200Z/
NORTHERN ROCKY MOUNTAIN FRONT-
CENTRAL AND SOUTHERN LEWIS AND CLARK-
SOUTHERN ROCKY MOUNTAIN FRONT-JEFFERSON-
INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS...FLESHER PASS...
MACDONALD PASS...ROGERS PASS...BOULDER HILL...ELK PARK PASS...
HOMESTAKE PASS
918 PM MST SUN DEC 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY FOR ELEVATIONS ABOVE 5000 FEET...

A WINTER WEATHER ADVISORY FOR ELEVATIONS ABOVE 5000 FEET FOR SNOW
AND BLOWING SNOW REMAINS IN EFFECT UNTIL 5 AM MST MONDAY.

* TIMING AND MAIN IMPACT: SNOW WILL CONTINUE THROUGH EARLY MONDAY.
  MOUNTAIN PASSES WILL BE SNOW COVERED AND ICY.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 TO 2 INCHES OF SNOW IS
  POSSIBLE OVER MOUNTAIN PASSES WITH UP TO AN ADDITIONAL 4 INCHES
  POSSIBLE ABOVE PASS LEVEL.

* WINDS AND VISIBILITY: WIND GUSTS UP TO 35 MPH WILL CONTINUE
  THROUGH THE EVENING THROUGH FAVORED AREAS ALONG THE ROCKY
  MOUNTAIN FRONT. VISIBILITIES COULD DROP BELOW 1/2 MILE AT TIMES IN
  BLOWING SNOW.

* ELEVATIONS: FOR ELEVATIONS ABOVE 5000 FEET.

* LOCATIONS AFFECTED INCLUDE: MARIAS PASS...BOULDER HILL...ELK
  PARK PASS...HOMESTAKE PASS...FLESHER PASS... MACDONALD
  PASS...ROGERS PASS.

* TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT
  OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
918 PM MST SUN DEC 21 2014

MTZ008-012-015-050-053>055-221200-
/O.CON.KTFX.WW.Y.0054.000000T0000Z-141222T1200Z/
BEAVERHEAD-CASCADE-MADISON-JUDITH BASIN-BROADWATER-MEAGHER-
GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS...
CHIEF JOSEPH PASS...MONIDA PASS...KINGS HILL PASS...
RAYNOLDS PASS...BATTLE RIDGE PASS...BOZEMAN PASS...TARGHEE PASS...
WEST YELLOWSTONE
918 PM MST SUN DEC 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY FOR ELEVATIONS ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY FOR ELEVATIONS ABOVE 5500 FEET FOR SNOW
AND BLOWING SNOW REMAINS IN EFFECT UNTIL 5 AM MST MONDAY.

* TIMING AND MAIN IMPACT: SNOW WILL CONTINUE OVER THE LITTLE
  BELT...BIG BELT...AND ELKHORN MOUNTAINS THROUGH EARLY MONDAY.
  MOUNTAIN PASSES WILL BE SNOW COVERED AND ICY.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 TO 2 INCHES OF SNOW IS
  POSSIBLE OVER MOUNTAIN PASSES...WITH AN ADDITIONAL 3 TO 5 INCHES
  OF SNOW OVER THE MOUNTAINS.

* WINDS AND VISIBILITY: WIND GUSTS OF 20 TO 30 MPH COULD REDUCE
  VISIBILITIES BELOW 1 MILE AT TIMES IN BLOWING SNOW.

* ELEVATIONS: FOR ELEVATIONS ABOVE 5500 FEET.

* LOCATIONS AFFECTED INCLUDE: BATTLE RIDGE PASS...BOZEMAN
  PASS...TARGHEE PASS...WEST YELLOWSTONE... BIG HOLE PASS...
  CHIEF JOSEPH PASS...MONIDA PASS... KINGS HILL PASS...
  RAYNOLDS PASS.

* TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT
  OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

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

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.

&&

$$

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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE