WINTER STORM WARNING STAR VALLEY

WINTER STORM WARNING STAR VALLEY

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
137 AM MST SUN JAN 4 2015

...POTENT WINTER STORM SYSTEM TO ARRIVE TONIGHT...

.LIGHT TO OCCASIONALLY MODERATE SNOW WILL BEGIN TO FALL ACROSS
THE WESTERN AND NORTHWESTERN MOUNTAINS THIS MORNING...AHEAD OF A
MUCH STRONGER UPPER LEVEL DISTURBANCE AND GREATLY INCREASED
MOISTURE FROM THE PACIFIC NORTHWEST WHICH WILL ARRIVE OVERNIGHT
TONIGHT. SNOWFALL INTENSITY WILL RAPIDLY INCREASE ALONG WITH
STRONG WESTERLY WINDS AT THIS TIME...PRODUCING AREAS OF HEAVY
BLOWING AND DRIFTING SNOW AND GREATLY REDUCED VISIBILITIES THROUGH
TUESDAY MORNING...MAKING FOR VERY HAZARDOUS TRAVEL CONDITIONS.

WYZ001-012-013-023-024-042300-
/O.UPG.KRIW.WS.A.0001.150105T0000Z-150106T1200Z/
/O.NEW.KRIW.WS.W.0001.150105T0000Z-150106T1200Z/
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-
JACKSON HOLE-STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL...
JACKSON...AFTON...ALPINE...STAR VALLEY RANCH...THAYNE
137 AM MST SUN JAN 4 2015

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 5 PM THIS AFTERNOON TO 5 AM MST TUESDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW TODAY WILL BE
  REPLACED BY PERIODS OF HEAVY SNOW AND INCREASED WINDS BEGINNING
  TONIGHT...LASTING THROUGH TUESDAY MORNING.

* SNOW ACCUMULATIONS...ONE TO TWO FEET IN THE MOUNTAINS WITH 6
  TO 12 INCHES IN THE JACKSON AND STAR VALLEYS. LOCALLY HIGHER
  AMOUNTS WILL BE POSSIBLE.

* WIND AND VISIBILITY...ABOVE 8500 FEET...WEST TO SOUTHWEST WINDS
  15 TO 30 MPH WITH GUSTS 40 TO 50 MPH WILL COMBINE WITH THE SNOW...GREATLY
  REDUCING VISIBILITY AT TIMES.

* IMPACTS...ROADS WILL BE SLICK...SNOWPACKED...WITH POSSIBLE
  LARGE DRIFTS COVERING THE ROADWAYS AT TIMES...MAKING TRAVEL
  EXTREMELY HAZARDOUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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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