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

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WWUS45 KRIW 192145
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
245 PM MST FRI DEC 19 2014

...SIGNIFICANT SNOWFALL STILL POSSIBLE THIS WEEKEND...

.A MOIST PACIFIC SYSTEM WILL MOVE THROUGH THE INTERMOUNTAIN WEST
THIS WEEKEND...SPREADING SNOWFALL ACROSS THE WESTERN MOUNTAINS
AND VALLEYS. SNOWFALL MAY BE HEAVY AT TIMES...ESPECIALLY SUNDAY
MORNING THROUGH THE EVENING. THIS SYSTEM MAY BRING SIGNIFICANT
SNOWFALL ACCUMULATIONS ACROSS THE WESTERN MOUNTAINS AND VALLEYS
BEFORE WEAKENING MONDAY MORNING.

WYZ001-012-013-023-024-201200-
/O.CON.KRIW.WS.A.0014.141221T0300Z-141222T1500Z/
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
245 PM MST FRI DEC 19 2014

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH MONDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH MONDAY MORNING.

* SUMMARY AND TIMING...SNOWFALL WILL MOVE INTO WESTERN WYOMING
  SATURDAY EVENING...AND MAY BECOME HEAVY ON SUNDAY ACROSS THE
  AREA BEFORE WEAKENING ON MONDAY MORNING.

* SNOW ACCUMULATIONS...THE VALLEY LOCATIONS MAY SEE 6 TO 10 INCHES
  OF SNOWFALL WITH THIS SYSTEM WITH THE HIGHER ACCUMULATIONS
  EXPECTED ACROSS THE NORTHERN PORTION OF THE JACKSON VALLEY.
  MOUNTAIN LOCATIONS COULD SEE 12 TO 16 INCHES...WITH LOCALLY
  HIGHER AMOUNTS UP TO 24 INCHES.

* WIND AND VISIBILITY...WIND WILL BE STRONGEST OVER THE HIGHER
  ELEVATIONS...AND MAY IMPACT MOUNTAIN PASSES WITH WEST WIND OF
  25 TO 35 MPH WITH GUSTS OVER 50 MPH. EVEN THE LOWER ELEVATIONS
  WILL SEE SOUTHWEST WIND INCREASING TO 15 TO 25 MPH ON SUNDAY
  WITH GUSTS TO 35 MPH IN OPEN AREAS. THE WIND AND SNOWFALL WILL
  LIMIT THE VISIBILITY TO UNDER ONE HALF MILE AT TIMES.

* IMPACTS...THE COMBINATION OF SNOWFALL AND WIND OVER THE HIGHER
  ELEVATIONS WOULD HAVE AN ADVERSE IMPACT ON TRAVELERS ACROSS
  THE AREA. SIGNIFICANT SNOWFALL ACROSS THE VALLEYS WILL CREATE
  HAZARDOUS DRIVING CONDITIONS DUE TO SNOW PACKED ROADWAYS.

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.

&&

$$

WYZ002-014-015-025-201200-
/O.CON.KRIW.WS.A.0014.141221T0600Z-141222T1800Z/
ABSAROKA MOUNTAINS-WIND RIVER MOUNTAINS WEST-
WIND RIVER MOUNTAINS EAST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
245 PM MST FRI DEC 19 2014

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH MONDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH MONDAY MORNING.

* SUMMARY AND TIMING...SNOWFALL WILL MOVE OVER THE CENTRAL
  MOUNTAINS LATE SATURDAY EVENING...AND MAY BECOME HEAVY ON
  SUNDAY ACROSS THE AREA BEFORE WEAKENING ON MONDAY MORNING.

* SNOW ACCUMULATIONS...THE FOOTHILLS MAY RECEIVE 5 TO 8 INCHES OF
  SNOWFALL...WITH THE HIGHEST ACCUMULATIONS ANTICIPATED NORTHWEST
  OF PINEDALE TOWARD BONDURANT. THE HIGHER ELEVATIONS MAY SEE 10
  TO 14 INCHES OF SNOWFALL...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

* WIND AND VISIBILITY...WEST WIND OF 25 TO 35 MPH WILL IMPACT
  THE MOUNTAINOUS AREAS WITH GUSTS TO 45 MPH IN OPEN AREAS WHILE
  THE LOWER ELEVATIONS SEE NORTHWEST WIND INCREASING TO 15 TO 25
  MPH ON SUNDAY WITH SOME STRONGER GUSTS. THE WIND AND SNOWFALL
  WILL LIMIT THE VISIBILITY TO UNDER ONE HALF MILE AT TIMES.

* IMPACTS...AREAS POTENTIALLY EXPERIENCING THE COMBINATION OF
  GUSTY WIND WITH SNOWFALL MAY HAVE LIMITED VISIBILITY ON
  IMPACTED ROADWAYS. ADDITIONAL SIGNIFICANT SNOWFALL MAY CREATE
  HAZARDOUS TRAVEL WITH SNOW-PACKED ROADWAYS.

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.

&&

$$

MCDONALD




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