Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 181234
SPSRIW

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.

$$

WYZ014-025-190000-
UPPER GREEN RIVER BASIN FOOTHILLS-WIND RIVER MOUNTAINS WEST-
534 AM MST THU DEC 18 2014

...MAJOR WINTER STORM POSSIBLE SUNDAY THROUGH MONDAY...

A STORM SYSTEM OVER THE WESTERN PACIFIC IS EXPECTED TO TAKE AIM ON
THE UPPER GREEN RIVER BASIN FOOTHILLS AND WEST SIDE OF THE WIND
RIVER MOUNTAINS SUNDAY THROUGH MONDAY. THE POTENTIAL FOR SIGNIFICANT
SNOWFALL AND WIND IS PROBABLE. SNOW IS EXPECTED TO START LATE
SATURDAY NIGHT AND THEN IT MAY INTENSIFY SUNDAY AND CONTINUE
THROUGH MUCH OF THE DAY MONDAY. SNOWFALL AMOUNTS OVER A FOOT ARE
POSSIBLE ON THE WEST SIDE OF THE WIND RIVER MOUNTAINS...ESPECIALLY
ACROSS THE NORTHWEST HALF WITH 5 TO 10 INCHES OF SNOW POSSIBLE
ACROSS THE LOWER ELEVATIONS FROM PINEDALE TO BONDURANT. THE
HEAVIEST AMOUNTS WILL BE TOWARDS CORA AND BONDURANT.

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.

$$

SKRBAC




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