Winter Weather Warnings / Watches / Advisories
Issued by NWS Riverton, WY

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WWUS45 KRIW 202111
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
211 PM MST THU NOV 20 2014

...WINTER STORM EXPECTED ACROSS THE WEST THIS WEEKEND...

.ANOTHER WINTER STORM EXPECTED TO DROP AROUND ONE FOOT OF SNOW IN
THE WESTERN MOUNTAINS THIS WEEKEND. THIS STORM WILL BE ACCOMPANIED
BY A BIT MORE WIND THAN THE LAST STORM WITH GUSTS OVER 70 MPH
POSSIBLE AT EXPOSED PEAKS. SNOW WILL BEGIN LATE FRIDAY NIGHT WITH
THE HEAVIEST SNOW EXPECTED TO FALL DURING THE DAY ON
SATURDAY...FOLLOWED BY A BIT OF A LULL FOR SATURDAY AFTERNOON WITH
A SECOND WAVE EXPECTED LATE SATURDAY NIGHT INTO SUNDAY MORNING.

WYZ001-012-013-023>025-211000-
/O.NEW.KRIW.WS.A.0011.141122T0700Z-141123T1300Z/
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-
JACKSON HOLE-STAR VALLEY-SALT RIVER AND WYOMING RANGES-
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL...
JACKSON...AFTON...ALPINE...STAR VALLEY RANCH...THAYNE...PINEDALE
211 PM MST THU NOV 20 2014

...WINTER STORM WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
LATE SATURDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
LATE SATURDAY NIGHT.

* SUMMARY AND TIMING...LIGHT SNOW WILL BEGIN TO FALL IN THE
  MOUNTAINS FRIDAY NIGHT...SPREADING INTO THE VALLEYS BY SUNRISE
  AND INCREASING IN INTENSITY. SNOW WILL BECOME LIGHT AGAIN TOWARD
  MIDNIGHT WITH ANOTHER ROUND OF MODERATE TO HEAVY SNOW EXPECTED
  LATE SATURDAY NIGHT INTO EARLY SUNDAY MORNING.

* SNOW ACCUMULATIONS...8 TO 14 INCHES EXPECTED IN THE MOUNTAINS
  WITH 4 TO 8 INCHES EXPECTED IN THE VALLEYS...WITH UP TO 10
  INCHES POSSIBLE IN FAVORED UPSLOPE LOCATIONS OF THE VALLEYS.

* WIND AND VISIBILITY...WINDS WILL INCREASE FROM THE SOUTHWEST
  WITH GUSTS TO 30 MPH IN THE VALLEYS AND GUSTS TO 75 MPH POSSIBLE
  ON EXPOSED PEAKS THROUGH SATURDAY AFTERNOON. WINDS WILL SHIFT TO
  THE WEST SATURDAY EVENING AND WILL BE LESS GUSTY. EXPECT
  WIDESPREAD AREAS OF REDUCED VISIBILITY IN FALLING AND BLOWING
  SNOW...ESPECIALLY ON THE PASSES.

* IMPACTS...SNOW...STRONG WIND AND BLOWING SNOW MAY LEAD TO
  DIFFICULT TRAVEL ACROSS THE WESTERN MOUNTAINS AND VALLEYS THIS
  WEEKEND...AS WELL AS INCREASE THE AVALANCHE DANGER...PLEASE
  VISIT WWW.JHAVALANCHE.ORG BEFORE VENTURING OUT INTO THE BACK
  COUNTRY THIS WEEKEND. COOLER TEMPERATURES AND STRONG WINDS WILL
  ALSO CAUSE WIND CHILLS TO DROP TO DANGEROUS LEVELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR HAZARDOUS WINTER WEATHER IN AND CLOSE TO THE WATCH AREA.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$







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