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Winter Storm Warning


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
212 PM MST SUN DEC 21 2014

.SNOW LEVEL OF 6500 TO 7000 FEET THIS AFTERNOON WILL DROP
OVERNIGHT TO 4500 TO 5000 FEET. MANY MOUNTAIN LOCATIONS HAVE
RECEIVED TOTAL SNOWFALL AMOUNTS OF 8 TO 15 INCHES. SNOW WILL
GRADUALLY TAPER OFF WITH AN ADDITIONAL 3 TO 6 INCHES POSSIBLE
BEFORE THE STORM ENDS MONDAY.

ANYONE TRAVELING IN THE SOUTHEAST IDAHO MOUNTAINS TODAY AND
TONIGHT CAN EXPECT DIFFICULT DRIVING CONDITIONS ESPECIALLY OVER
MOUNTAIN PASSES.

IDZ018-221200-
/O.CON.KPIH.WS.W.0010.000000T0000Z-141222T1200Z/
SAWTOOTH MOUNTAINS-
INCLUDING THE LOCATIONS OF...STANLEY...CLAYTON...COPPER BASIN...
BANNER CREEK SUMMIT
212 PM MST SUN DEC 21 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 5
AM MST MONDAY.

* TIMING...THROUGH 5 AM MONDAY.

* MAIN IMPACT...TOTAL SNOWFALL OF 6 TO 12 INCHES OF SNOW WITH
  NEARLY TWO FEET POSSIBLE ABOVE 7000 FEET.

* LOCATIONS INCLUDE...STANLEY...CLAYTON...BANNER CREEK SUMMIT

* OTHER IMPACTS...BLOWING AND DRIFTING SNOW POSSIBLE OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
212 PM MST SUN DEC 21 2014

.SNOW LEVEL OF 6500 TO 7000 FEET THIS AFTERNOON WILL DROP
OVERNIGHT TO 4500 TO 5000 FEET. MANY MOUNTAIN LOCATIONS HAVE
RECEIVED TOTAL SNOWFALL AMOUNTS OF 8 TO 15 INCHES. SNOW WILL
GRADUALLY TAPER OFF WITH AN ADDITIONAL 3 TO 6 INCHES POSSIBLE
BEFORE THE STORM ENDS MONDAY.

ANYONE TRAVELING IN THE SOUTHEAST IDAHO MOUNTAINS TODAY AND
TONIGHT CAN EXPECT DIFFICULT DRIVING CONDITIONS ESPECIALLY OVER
MOUNTAIN PASSES.

IDZ019-023-025-221200-
/O.CON.KPIH.WS.W.0010.000000T0000Z-141222T1200Z/
UPPER SNAKE HIGHLANDS-CARIBOU HIGHLANDS-
WASATCH MOUNTAINS/IDAHO PORTION-
212 PM MST SUN DEC 21 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY
ABOVE 7500 FEET...

A WINTER STORM WARNING ABOVE 7500 FEET FOR SNOW AND BLOWING SNOW REMAINS
IN EFFECT UNTIL 5 AM MST MONDAY.

* TIMING...5 PM TODAY THROUGH 5 AM MONDAY.

* MAIN IMPACT...6 TO 12 INCHES OF SNOW ABOVE 6000 FEET WITH WELL
  OVER A FOOT POSSIBLE ABOVE 7500 FEET.

* LOCATIONS INCLUDE...DRIGGS...ISLAND PARK...MONIDA PASS...
  ASHTON HILL...TARGHEE PASS...PINE CREEK PASS...FISH CREEK
  SUMMIT... GEORGETOWN SUMMIT.

* OTHER IMPACTS...BLOWING AND DRIFTING SNOW WITH LOW VISIBILITIES
  POSSIBLE OVERNIGHT.

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. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

HTTP://WEATHER.GOV/POCATELLO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
212 PM MST SUN DEC 21 2014

.SNOW LEVEL OF 6500 TO 7000 FEET THIS AFTERNOON WILL DROP
OVERNIGHT TO 4500 TO 5000 FEET. MANY MOUNTAIN LOCATIONS HAVE
RECEIVED TOTAL SNOWFALL AMOUNTS OF 8 TO 15 INCHES. SNOW WILL
GRADUALLY TAPER OFF WITH AN ADDITIONAL 3 TO 6 INCHES POSSIBLE
BEFORE THE STORM ENDS MONDAY.

ANYONE TRAVELING IN THE SOUTHEAST IDAHO MOUNTAINS TODAY AND
TONIGHT CAN EXPECT DIFFICULT DRIVING CONDITIONS ESPECIALLY OVER
MOUNTAIN PASSES.

IDZ031-032-221200-
/O.CON.KPIH.WS.W.0010.000000T0000Z-141222T1200Z/
BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI-
INCLUDING THE LOCATIONS OF...SUN VALLEY...GALENA SUMMIT...
SMILEY CREEK LODGE...ARCO...WILLOW CREEK SUMMIT
212 PM MST SUN DEC 21 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY
ABOVE 6000 FEET...

A WINTER STORM WARNING ABOVE 6000 FEET FOR SNOW AND BLOWING SNOW REMAINS
IN EFFECT UNTIL 5 AM MST MONDAY.

* TIMING...THROUGH 5 AM MONDAY.

* MAIN IMPACT...6 TO 12 INCHES OF SNOW ABOVE 6000 FEET WITH NEARLY
  TWO FEET POSSIBLE ABOVE 7000 FEET.

* LOCATIONS INCLUDE...GALENA SUMMIT...SMILEY CREEK LODGE...
  WILLOW CREEK SUMMIT.

* OTHER IMPACTS...BLOWING AND DRIFTING SNOW POSSIBLE OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Avalanche Warning


MTC061-063-081-221300-

BACKCOUNTRY AVALANCHE WARNING
WEST CENTRAL MONTANA AVALANCHE CENTER
RELAYED BY NATIONAL WEATHER SERVICE MISSOULA MT
135 PM MST SUN DEC 21 2014

THE WEST CENTRAL MONTANA AVALANCHE CENTER HAS ISSUED A
BACKCOUNTRY AVALANCHE WARNING FOR THE MOUNTAINS OF WEST CENTRAL
MONTANA. FOR THE COMPLETE BACKCOUNTRY AVALANCHE WARNING DETAILING
SPECIFIC TIME AND LOCATION SEE WWW.MISSOULAAVALANCHE.ORG OR CALL
406-549-4488.

RECREATIONALISTS SHOULD USE EXTRA CAUTION WHEN VENTURING INTO THE
BACKCOUNTRY UNTIL CONDITIONS IMPROVE.

THIS INFORMATION HAS BEEN TRANSMITTED BY THE NATIONAL WEATHER
SERVICE AT THE REQUEST OF THE WEST CENTRAL MONTANA AVALANCHE
CENTER.

$$

MTC029-221400-

BACKCOUNTRY AVALANCHE WARNING
FLATHEAD AVALANCHE CENTER
RELAYED BY NATIONAL WEATHER SERVICE MISSOULA MT
726 AM MST SUN DEC 21 2014

THE FLATHEAD AVALANCHE CENTER HAS ISSUED A BACKCOUNTRY AVALANCHE
WARNING FOR THE MOUNTAINS OF NORTHWEST MONTANA. FOR THE COMPLETE
BACKCOUNTRY AVALANCHE WARNING DETAILING SPECIFIC TIME AND
LOCATION SEE WWW.FLATHEADAVALANCHE.ORG OR CALL 406-257-8402.

RECREATIONALISTS SHOULD USE EXTRA CAUTION WHEN VENTURING INTO THE
BACKCOUNTRY UNTIL CONDITIONS IMPROVE.

THIS INFORMATION HAS BEEN TRANSMITTED BY THE NATIONAL WEATHER
SERVICE AT THE REQUEST OF THE FLATHEAD AVALANCHE CENTER.

$$

IDC013-037-221430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
BACKCOUNTRY AVALANCHE WARNING
SAWTOOTH NATIONAL FOREST AVALANCHE CENTER...SUN VALLEY IDAHO
RELAYED BY NATIONAL WEATHER SERVICE POCATELLO ID
700 AM MST SUN DEC 21 2014

...THE SAWTOOTH NATIONAL FOREST AVALANCHE CENTER...SUN VALLEY IDAHO HAS
CONTINUED A BACKCOUNTRY AVALANCHE WARNING...

* TIMING...IN EFFECT UNTIL 730 AM MST MONDAY.

* LOCATION...FOR THE SOLDIER...SMOKY...BOULDER...AND SAWTOOTH
  RANGES. THIS INCLUDES THE MOUNTAINS NEAR FAIRFIELD..KETCHUM...
  GALENA SUMMIT...SMILEY CREEK AND STANLEY.

* REASON...HEAVY SNOWFALL...RAIN AND STRONG WINDS WILL PRODUCE
  WIDESPREAD HIGH AVALANCHE DANGER. SOME AVALANCHES WILL BE LARGE
  AND DESTRUCTIVE AND MAY REACH VALLEY FLOORS.

PRECAUTION/PREPAREDNESS ACTIONS...

NATURAL AND HUMAN TRIGGERED AVALANCHES ARE LIKELY. AVOID TRAVEL
AND RECREATION IN OR BELOW AVALANCHE TERRAIN. BACKCOUNTRY
SKIERS... SNOWBOARDERS...SNOWMOBILERS AND OTHER USERS SHOULD BE
AWARE OF SLOPING TERRAIN AND AVOID AVALANCHE PATH RUNOUT AREAS.
USE EXTREME CAUTION.

ADDITIONAL INFORMATION...

THIS WARNING DOES NOT APPLY TO CONTROLLED SKI AREAS OR HIGHWAY OPERATIONS.

UPDATES TO THE SAWTOOTH AVALANCHE CENTER BULLETIN MAY BE FOUND AT
WWW.SAWTOOTHAVALANCHE.COM.

TRANSMITTED AT THE REQUEST OF THE SAWTOOTH NATIONAL FOREST
AVALANCHE CENTER...SUN VALLEY IDAHO.


$$


WEATHER INFORMATION ON-LINE 24-HOURS A DAY
(ALL LOWER-CASE LETTERS)

WWW.WEATHER.GOV/POCATELLO

IDZ011-221200-

AVALANCHE WARNING
PAYETTE NATIONAL FOREST AVALANCHE CENTER...MCCALL IDAHO
RELAYED BY NATIONAL WEATHER SERVICE BOISE ID
1118 PM MST SAT DEC 20 2014

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE
PAYETTE NATIONAL FOREST AVALANCHE CENTER...MCCALL IDAHO.

...THE PAYETTE NATIONAL FOREST AVALANCHE CENTER IN MCCALL IDAHO
HAS ISSUED A BACKCOUNTRY AVALANCHE WARNING...

* TIMING...IN EFFECT 5 AM MST DEC 21 UNTIL 5 AM MST DEC 22.

* LOCATION...IN THE WEST CENTRAL IDAHO MOUNTAINS NEAR MCCALL AND
  CASCADE...INCLUDING THE DEADWOOD SUMMIT AREA.

* AVALANCHE DANGER...THE AVALANCHE DANGER SCALE IN THE WEST
CENTRAL IDAHO MOUNTAINS...INCLUDING THE PAYETTE NATIONAL FOREST...
IS WIDESPREAD AND HAS BEEN ELEVATED TO HIGH.

* REASON...HEAVY SNOWFALL...BURIED WEAK LAYERS IN THE SNOWPACK,
  WIND...WARMING TEMPERATURES...AND THE POTENTIAL FOR RAIN IN THE
  MOUNTAINS WILL PRODUCE HIGH AVALANCHE DANGER.

PRECAUTION/PREPAREDNESS ACTIONS...

NATURAL AND HUMAN TRIGGERED AVALANCHES ARE LIKELY. AVOID TRAVEL
IN AVALANCHE TERRAIN. BACKCOUNTRY SKIERS...SNOWBOARDERS...
SNOWMOBILERS AND OTHER USERS SHOULD BE AWARE OF SLOPING TERRAIN
AND AVOID AVALANCHE PATH RUNOUT AREAS. USE EXTREME CAUTION.

AVALANCHE CONDITIONS MAY EXIST...BUT NOT BE REPORTED...IN
LOCATIONS OUTSIDE THE COVERAGE AREA OF ANY AVALANCHE CENTER.
CHECK WWW.AVALANCHE.ORG FOR YOUR CLOSEST AVALANCHE CENTER AND
CHECK WWW.FSAVALANCHE.ORG TO LEARN MORE ABOUT HOW TO IDENTIFY
AVALANCHE PROBLEMS. WATCH FOR CHANGING CONDITIONS INCLUDING
RECENT AVALANCHES...HEAVY SNOWFALL OR RAIN...STRONG WIND OR
RAPIDLY WARMING TEMPERATURES.

ADDITIONAL INFORMATION...

THIS WARNING DOES NOT APPLY TO CONTROLLED SKI AREAS OR HIGHWAY
OPERATIONS.

ANOTHER STATEMENT WILL BE ISSUED BY 5 AM MONDAY DEC 22 UNLESS
CONDITIONS REQUIRE AN EARLIER UPDATE.

FOR THE FULL AVALANCHE ADVISORY FROM THE PAYETTE NATIONAL FOREST
AVALANCHE CENTER CHECK ON THE WEB AT WWW.PAYETTEAVALANCHE.ORG

$$


Winter Weather Advisory


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 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 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.

&&

$$


Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
916 PM MST SUN DEC 21 2014

WYZ001>020-022>030-221200-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
916 PM MST SUN DEC 21 2014

...HIGH WIND WARNINGS FOR SOUTHERN WYOMING UNTIL 2 AM MONDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TONIGHT

STRONG WINDS WILL CONTINUE ACROSS SOUTHERN WYOMING THROUGH SUNDAY
EVENING.  PLEASE SEE HIGH WIND WARNING PRODUCT FOR THE LATEST
INFORMATION.  NORTHWEST WINDS AT 25 TO 35 MPH WITH GUSTS OVER 50 MPH
WILL BE ENCOUNTERED TONIGHT ACROSS NORTHEAST JOHNSON COUNTY INCLUDING
INTERSTATE 90.

AREAS SNOW AND BLOWING SNOW WILL BE ENCOUNTERED OVER MOUNTAIN PASSES
THROUGH MONDAY MORNING THOUGH ADDITIONAL SNOW AMOUNTS ARE EXPECTED
TO REMAIN LIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

WEDNESDAY NIGHT THROUGH CHRISTMAS DAY...A NEW STORM SYSTEM WILL
IMPACT THE REGION. THE POTENTIAL FOR SIGNIFICANT SNOWFALL IS
STILL A POSSIBILITY ACROSS CENTRAL AND SOUTHWEST WYOMING ON CHRISTMAS
DAY. THE EXACT TRACK OF THE STORM IS STILL UNCERTAIN. STAY TUNED
FOR UPDATES ON THIS STORM AND HOW IT MAY IMPACT HOLIDAY TRAVEL.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS. THANK YOU.

$$

TEAM RIVERTON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
748 PM MST SUN DEC 21 2014

MTZ028>042-056>058-063>068-WYZ098-099-230300-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-
748 PM MST SUN DEC 21 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER TONIGHT
IS LOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

FOR MONDAY...POOR TRAVEL FROM A COMBINATION OF WIND AND SNOWFALL WILL
IMPACT FAR EASTERN MONTANA. THIS INCLUDES THE TOWNS OF BAKER AND
EKALAKA. ALSO...WINDY CONDITIONS WILL IMPACT MOST AREAS. THE
STRONGEST WINDS WILL OCUR ALONG THE I-90 CORRIDOR AROUND SHERIDAN
WYOMING WITH SOME GUSTS TO 50 MPH.

FOR TUESDAY NIGHT INTO WEDNESDAY...YET ANOTHER ROUND OF STRONG
SOUTHWEST WINDS IS EXPECTED FOR THE WIND PRONE AREAS AROUND
LIVINGSTON AND NYE WITH STRONG CROSS WINDS ON I-90.

FOR THE CHRISTMAS HOLIDAY...A COLD FRONT WILL MOVE INTO THE
REGION CHRISTMAS EVE BRINGING AN INCREASED CHANCE FOR SNOW TO THE
REGION. THE SNOW IS EXPECTED TO LINGER INTO CHRISTMAS DAY. MANY
AREAS WILL LIKELY SEE SEVERAL INCHES OF SNOW. IF YOU HAVE TRAVEL
PLANS OVER THE HOLIDAY...PLEASE STAY TUNED TO THE LATEST FORECAST.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

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