Winter Storm Warning until 5PM Tuesday

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
752 PM MST MON DEC 21 2015

...SIGNIFICANT SNOW AND BLOWING SNOW OVER THE WEST AND SOUTHWEST TONIGHT
AND TUESDAY...

.A STRONG UPPER LEVEL JET...PLENTY OF MOISTURE AND LOCAL LIFT
FROM THE MOUNTAINS OF WESTERN WYOMING WILL PRODUCE SIGNIFICANT
SNOWFALL TONIGHT INTO THE DAY TUESDAY. THE HEAVIEST SNOW WILL FALL
TONIGHT...WITH LIGHTER AMOUNTS TUESDAY...BUT BLOWING SNOW WILL
CONTINUE TO BE AN ISSUE.

JACKSON HOLE-STAR VALLEY-
INCLUDING THE CITIES OF...JACKSON...AFTON...ALPINE...
STAR VALLEY RANCH...THAYNE
752 PM MST MON DEC 21 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST
TUESDAY...

* TIMING...SNOW WILL CONTINUE TONIGHT...THROUGH MUCH OF THE DAY
  TUESDAY. HOWEVER THE HEAVIEST SNOWFALL WITH THIS STORM SYSTEM IS
  EXPECTED TONIGHT.

* SNOWFALL SO FAR...3 TO 6 INCHES ACROSS MUCH OF JACKSON HOLE AND
  STAR VALLEY...WITH ISOLATED HIGHER AMOUNTS.

* SNOWFALL TOTALS...STORM TOTAL OF 6 TO 12 INCHES.

* WIND AND VISIBILITY...SOUTHWEST TO WEST WINDS 15 TO 20 MPH
  WITH GUSTS 20 TO 30 MPH ACROSS OPEN AREAS WILL CAUSE BLOWING
  AND DRIFTING SNOW WITH VISIBILITY UNDER ONE QUARTER MILE AT
  TIMES.

* MAIN IMPACT...TRAVEL CONDITIONS WILL BE DIFFICULT DUE TO
  SNOW...DRIFTING SNOW AND POOR VISIBILITY. AVALANCHE DANGER
  WILL BE QUITE HIGH IN THE WESTERN MOUNTAINS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5
1 1. PLEASE ALSO MONITOR JHAVALANCHE.ORG IF YOUR PLANS INCLUDE
TRAVEL INTO THE BACK COUNTRY.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND WIND WILL
MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

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