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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
421 AM MST SUN DEC 21 2014

MTZ002-006-007-043-212100-
/O.CON.KMSO.WW.Y.0072.000000T0000Z-141222T1200Z/
WEST GLACIER REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
421 AM 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: MODERATE TO HEAVY WET SNOW WILL TRANSITION TO
  SHOWERS BY THIS AFTERNOON. THERE MAY BE A BRIEF PERIOD THAT
  PASSES SEE A MIXTURE OR CHANGE TO RAIN THIS MORNING BUT THEN
  WILL GO BACK TO PERIODS OF SNOW THIS AFTERNOON. STRONG GUSTY
  WINDS COMBINED WITH SNOW SHOWERS ACROSS SOUTHWEST MONTANA WILL
  REDUCE VISIBILITIES MAKING FOR TOUGH TRAVEL AT TIMES THIS
  AFTERNOON.

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

* LOCATIONS IMPACTED INCLUDE...POLEBRIDGE...ESSEX...MARIAS
  PASS...HIGHWAY 83 CONDON TO SEELEY LAKE...HIGHWAY 93 SULA TO
  LOST TRAIL PASS...LOLO PASS...GEORGETOWN LAKE...HIGHWAY 12
  ELLISTON TO MACDONALD PASS...BUTTE TO HOMESTAKE PASS...HIGHWAY
  200 GREENOUGH TO CLEARWATER

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
421 AM MST SUN DEC 21 2014

IDZ005-006-009-010-MTZ004-212100-
/O.CON.KMSO.WW.Y.0072.000000T0000Z-141222T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-LOWER CLARK FORK REGION-
421 AM 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:HEAVY SNOW WILL TRANSITION TO SNOW SHOWERS BY
  THIS AFTERNOON. MOUNTAIN ROADS WILL BE VERY DIFFICULT OR
  DANGEROUS TO TRAVEL ON AT TIMES ESPECIALLY LOLO AND LOST TRAIL
  PASSES AND AT GILMORE SUMMIT.

* ADDITIONAL SNOW ACCUMULATIONS: 4 TO 6 INCHES AT LOLO PASS...LOST
  TRAIL PASSES AND AT THE WILLIAMS CREEK SUMMIT. GILMORE SUMMIT
  COULD SEE AN ADDITIONAL 1 TO 3 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 GREAT FALLS MT
314 AM MST SUN DEC 21 2014


MTZ009-014-048-052-212215-
/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
314 AM 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 BECOME SNOW COVERED AND ICY ON TODAY AND
  EARLY MONDAY.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OF SNOW ARE EXPECTED OVER
  MOUNTAIN PASSES WITH 8 TO 16 INCHES POSSIBLE ABOVE PASS
  LEVEL.

* WINDS AND VISIBILITY: WIND GUSTS UP TO 60 MPH WILL PEAK EARLY
  SUNDAY 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
314 AM MST SUN DEC 21 2014


MTZ008-012-015-050-053>055-212215-
/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
314 AM 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 DEVELOP OVER THE LITTLE
  BELT...BIG BELT...AND ELKHORN MOUNTAINS THIS MORNING AND
  CONTINUE THROUGH EARLY MONDAY. MOUNTAIN PASSES WILL BECOME SNOW
  COVERED AND ICY ON SUNDAY THROUGH EARLY MONDAY.

* SNOW ACCUMULATIONS: 4 TO 8 INCHES OF SNOW ARE POSSIBLE OVER
  MOUNTAIN PASSES...WITH UP TO 20 INCHES OF SNOW POSSIBLE OVER
  THE MOUNTAINS.

* WINDS AND VISIBILITY: WIND GUSTS OF 20 TO 30 MPH COULD REDUCE
  VISIBILITIES BELOW 1/2 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.

&&

$$

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
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