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Special Weather Statement


SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
559 AM MST THU DEC 18 2014

IDZ017>025-031-032-191300-
EASTERN MAGIC VALLEY-SAWTOOTH MOUNTAINS-UPPER SNAKE HIGHLANDS-
UPPER SNAKE RIVER PLAIN-LOWER SNAKE RIVER PLAIN-
SOUTH CENTRAL HIGHLANDS-CARIBOU HIGHLANDS-
CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION-
BIG AND LITTLE WOOD RIVER REGION-LOST RIVER/PAHSIMEROI-
INCLUDING THE CITIES OF...BURLEY...RUPERT...SHOSHONE...CAREY...
STANLEY...CLAYTON...DRIGGS...DUBOIS...ISLAND PARK...ST. ANTHONY...
EDIE SCHOOL...IDAHO FALLS...REXBURG...RIGBY...POCATELLO...
BLACKFOOT...FORT HALL...AMERICAN FALLS...MALAD CITY...OAKLEY...
ROCKLAND...DOWNEY...LAVA HOT SPRINGS...SODA SPRINGS...WAYAN...
PRESTON...DAYTON...MONTPELIER...GEORGETOWN...PARIS...HAILEY...
KETCHUM...SUN VALLEY...BELLEVUE...ARCO...CHALLIS...MACKAY
559 AM MST THU DEC 18 2014

...HEAVY SNOW POSSIBLE IN THE MOUNTAINS OF SOUTHEAST IDAHO
SATURDAY THROUGH MONDAY...

A PATTERN OF RATHER MOIST WESTERLY WINDS OFF THE PACIFIC IS
EXPECTED TO DEVELOP ACROSS SOUTHEAST IDAHO THIS WEEKEND AND MAY
BRING SOME HEAVY SNOW ACCUMULATION TO THE MOUNTAIN AREAS. THERE
IS ALSO POTENTIAL FOR SOME STRONG WINDS OVER THE MOUNTAINS TOPS TO
DEVELOP BY SUNDAY THAT COULD CREATE SOME HAZARDOUS BLOWING AND
DRIFTING CONDITIONS. THIS IS A DEVELOPING SITUATION AND
IMPLICATIONS FOR THE LOWER VALLEYS AND INTERSTATES IS UNCERTAIN AT
THIS TIME ALTHOUGH RAIN IS MAINLY EXPECTED IN THE SNAKE RIVER PLAIN.
IF YOU ARE PLANNING ON TRAVEL THAT WILL INCLUDE MOUNTAIN PASSES
THIS WEEKEND...STAY INFORMED ON THE LATEST WEATHER FORECASTS.


$$

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
534 AM MST THU DEC 18 2014

WYZ001-012-013-024-190000-
JACKSON HOLE-SALT RIVER AND WYOMING RANGES-
TETON AND GROS VENTRE MOUNTAINS-YELLOWSTONE NATIONAL PARK-
534 AM MST THU DEC 18 2014

...MAJOR WINTER STORM POSSIBLE LATE SATURDAY NIGHT THROUGH MONDAY
MORNING...

A STORM SYSTEM OVER THE WESTERN PACIFIC IS EXPECTED TO TAKE AIM ON
WESTERN WYOMING LATE IN THE WEEKEND WITH THE POTENTIAL FOR
SIGNIFICANT SNOWFALL AND WIND. SNOW IS EXPECTED TO START SATURDAY
NIGHT AND POTENTIALLY BECOME HEAVY EARLY SUNDAY AND CONTINUE
THROUGH MONDAY MORNING. SNOWFALL AMOUNTS OF 1 TO 2 FEET ARE POSSIBLE
IN THE MOUNTAINS WITH 6 TO 12 INCHES ACROSS THE JACKSON VALLEY AND
LOWER ELEVATIONS OF YELLOWSTONE NATIONAL PARK. TEMPERATURES WILL
WARM DURING THIS STORM WITH SOME POTENTIAL THAT THE LOWEST PARTS OF
THE JACKSON VALLEY COULD SEE A RAIN SNOW MIXTURE LATE SUNDAY INTO
SUNDAY NIGHT. WINDS WILL ALSO BE ON THE INCREASE DURING THIS STORM
WITH WEST WIND OF 30 TO 40 MPH WITH GUSTS TO 60 MPH IN THE
MOUNTAINS ALONG WITH 20 TO 30 MPH WIND WITH GUSTS TO 40 MPH ACROSS
THE LOWER ELEVATIONS.

STAY TUNED TO FUTURE STATEMENTS AND POTENTIAL WINTER HIGHLIGHTS.
PREPARE NOW IF YOU PLAN ON TRAVELLING ACROSS WESTERN WYOMING THIS
WEEKEND OR EARLY NEXT WEEK.

$$

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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