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

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407
WWUS45 KRIW 031853
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1153 AM MST SAT DEC 3 2016

...MODERATE TO HEAVY SNOW AND BLOWING SNOW POSSIBLE FOR THE
WESTERN MOUNTAINS AND VALLEYS SUNDAY THROUGH MONDAY MORNING...

.INCREASING PACIFIC MOISTURE IN COMBINATION WITH A STRONG UPPER
LEVEL DISTURBANCE...INCREASINGLY COLD AIR MASS...AND AN
EVENTUAL COLD FRONT PASSAGE...WILL BRING MODERATE TO HEAVY SNOW
IN ADDITION TO GUSTY SOUTH TO SOUTHWEST WINDS TO WESTERN AND
NORTHWESTERN WYOMING SUNDAY THROUGH MONDAY MORNING.

WYZ001-012-041000-
/O.UPG.KRIW.WS.A.0009.161204T1200Z-161205T1900Z/
/O.NEW.KRIW.WS.W.0013.161204T1200Z-161205T1900Z/
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
1153 AM MST SAT DEC 3 2016

...WINTER STORM WARNING IN EFFECT FROM 5 AM SUNDAY TO NOON MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
5 AM SUNDAY TO NOON MST MONDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...LIGHT SNOW ACROSS WESTERN AND NORTHWESTERN WYOMING
  TODAY AND TONIGHT WILL GIVE WAY TO INCREASING MODERATE SNOWFALL
  BY SUNDAY MORNING. HEAVY SNOW IS EXPECTED OVER THE MOUNTAINS BY
  SUNDAY EVENING...LASTING OVERNIGHT INTO EARLY MONDAY MORNING
  BEFORE DECREASING IN INTENSITY THROUGH THE REST OF THE MORNING
  HOURS.

* TOTAL SNOWFALL...POSSIBLE 10 TO 20 INCHES.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 25 TO 35
  MPH WITH GUSTS 40 TO 50 MPH BY SUNDAY AFTERNOON MAY CAUSE
  AREAS OF BLOWING AND DRIFTING SNOW...WITH VISIBILITY LIMITED
  TO ONE QUARTER MILE OR LESS AT TIMES.

* IMPACTS...ROADS MAY BECOME SNOW PACKED AND SLICK WITH LIMITED
  VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD
  BE PREPARED FOR ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE
  PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR
BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD,
WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY
DIALING 5 1 1.

&&

$$

WYZ013-041000-
/O.UPG.KRIW.WS.A.0009.161204T1200Z-161205T1900Z/
/O.NEW.KRIW.WS.W.0013.161204T1200Z-161205T1900Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
1153 AM MST SAT DEC 3 2016

...WINTER STORM WARNING IN EFFECT FROM 5 AM SUNDAY TO NOON MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
5 AM SUNDAY TO NOON MST MONDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...LIGHT SNOW ACROSS WESTERN AND NORTHWESTERN WYOMING
  TODAY AND TONIGHT WILL GIVE WAY TO INCREASING SNOWFALL BY SUNDAY
  MORNING. MODERATE TO HEAVY SNOW IS EXPECTED OVER THE JACKSON
  VALLEY BY SUNDAY EVENING...LASTING OVERNIGHT INTO EARLY MONDAY
  MORNING BEFORE DECREASING IN INTENSITY THROUGH THE REST OF THE
  MORNING HOURS.

* TOTAL SNOWFALL...POSSIBLE 6 TO 12 INCHES

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 15 TO 25
  MPH WITH GUSTS 30 TO 40 MPH BY SUNDAY AFTERNOON MAY CAUSE
  AREAS OF BLOWING AND DRIFTING SNOW...WITH VISIBILITY LIMITED
  TO ONE HALF MILE OR LESS AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK...SLUSHY AND SNOW PACKED WITH
  LIMITED VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR
  ACTIVITIES SHOULD BE PREPARED FOR ADVERSE WINTER WEATHER
  CONDITIONS AND TAKE THE PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR
BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD,
WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY
DIALING 5 1 1.

&&

$$

WYZ023-024-041000-
/O.NEW.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
1153 AM MST SAT DEC 3 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO NOON MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 5 AM SUNDAY TO NOON MST MONDAY.

* TIMING...LIGHT SNOW ACROSS WESTERN WYOMING TODAY AND TONIGHT
  WILL GIVE WAY TO INCREASING SNOWFALL BY SUNDAY MORNING. MODERATE
  TO HEAVY SNOW IS EXPECTED SUNDAY EVENING...LASTING OVERNIGHT
  INTO EARLY MONDAY MORNING BEFORE DECREASING IN INTENSITY THROUGH
  THE REST OF THE MORNING HOURS.

* TOTAL SNOWFALL...POSSIBLE 6 TO 12 INCHES IN THE MOUNTAINS WITH 3
  TO 6 INCHES IN THE STAR VALLEY.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 15 TO 25 MPH
  WITH GUSTS 35 MPH BY SUNDAY AFTERNOON MAY CAUSE AREAS OF
  BLOWING AND DRIFTING SNOW...WITH VISIBILITY LIMITED TO ONE HALF
  MILE OR LESS AT TIMES ON SALT RIVER PASS.

* IMPACTS...ROADS MAY BECOME SLICK...SLUSHY AND SNOW PACKED WITH
  LIMITED VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR
  ACTIVITIES SHOULD BE PREPARED FOR ADVERSE WINTER WEATHER
  CONDITIONS AND TAKE THE PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS
OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR
SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN,
AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST
ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1.

&&

$$

WYZ014-025-041000-
/O.NEW.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
1153 AM MST SAT DEC 3 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO NOON MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 5 AM SUNDAY TO NOON MST MONDAY.

* TIMING...LIGHT SNOW ACROSS WESTERN WYOMING TODAY AND TONIGHT
  WILL GIVE WAY TO INCREASING SNOWFALL BY SUNDAY MORNING. MODERATE
  TO HEAVY SNOW IS EXPECTED BY SUNDAY EVENING...LASTING OVERNIGHT
  INTO EARLY MONDAY MORNING BEFORE DECREASING IN INTENSITY THROUGH
  THE REST OF THE MORNING HOURS...

* TOTAL SNOWFALL...POSSIBLE 6 TO 12 INCHES IN THE WIND RIVER
  MOUNTAINS WITH 3 TO 6 INCHES FROM PINEDALE TO BONDURANT.

* WIND AND VISIBILITY...WEST TO SOUTHWEST WIND INCREASING TO 15
  TO 25 MPH WITH GUSTS 35 MPH BY SUNDAY AFTERNOON MAY CAUSE AREAS
  OF BLOWING AND DRIFTING SNOW...WITH VISIBILITY LIMITED TO ONE
  HALF MILE OR LESS AT TIMES ON SOUTH PASS.

* IMPACTS...ROADS MAY BECOME SLICK...SLUSHY AND SNOW PACKED WITH
  LIMITED VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR
  ACTIVITIES SHOULD BE PREPARED FOR ADVERSE WINTER WEATHER
  CONDITIONS AND TAKE THE PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS
OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR
SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN,
AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST
ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1.

&&

$$

WYZ015-041000-
/O.NEW.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
WIND RIVER MOUNTAINS EAST-
1153 AM MST SAT DEC 3 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO NOON MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 5 AM SUNDAY TO NOON MST MONDAY.

* TIMING...LIGHT SNOW ACROSS WESTERN WYOMING TODAY AND TONIGHT
  WILL GIVE WAY TO INCREASING SNOWFALL BY SUNDAY MORNING. MODERATE
  TO HEAVY SNOW IS EXPECTED SUNDAY EVENING...LASTING OVERNIGHT
  INTO EARLY MONDAY MORNING BEFORE DECREASING IN INTENSITY THROUGH
  THE REST OF THE MORNING HOURS.

* TOTAL SNOWFALL...POSSIBLE 5 TO 10 INCHES.

* WIND AND VISIBILITY...WEST TO SOUTHWEST WIND INCREASING TO 20
  TO 30 MPH WITH GUSTS 40 MPH BY SUNDAY AFTERNOON MAY CAUSE AREAS
  OF BLOWING AND DRIFTING SNOW...WITH VISIBILITY LIMITED TO ONE
  HALF MILE OR LESS AT TIMES ON SOUTH PASS.

* IMPACTS...ROADS MAY BECOME SLICK...SLUSHY AND SNOW PACKED WITH
  LIMITED VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR
  ACTIVITIES SHOULD BE PREPARED FOR ADVERSE WINTER WEATHER
  CONDITIONS AND TAKE THE PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS
OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR
SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN,
AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST
ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1.

&&

$$

WYZ002-041000-
/O.NEW.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
ABSAROKA MOUNTAINS-
1153 AM MST SAT DEC 3 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SUNDAY TO NOON MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 5 AM SUNDAY TO NOON MST MONDAY.

* TIMING...LIGHT SNOW ACROSS NORTHWEST WYOMING TODAY AND TONIGHT
  WILL GIVE WAY TO INCREASING SNOWFALL BY SUNDAY MORNING. MODERATE
  TO HEAVY SNOW IS EXPECTED SUNDAY EVENING...LASTING OVERNIGHT
  INTO EARLY MONDAY MORNING BEFORE DECREASING IN INTENSITY THROUGH
  THE REST OF THE MORNING HOURS.

* TOTAL SNOWFALL...POSSIBLE 6 TO 12 INCHES.

* WIND AND VISIBILITY...WEST TO SOUTHWEST WIND INCREASING TO 20
  TO 30 MPH WITH GUSTS 40 MPH BY SUNDAY AFTERNOON MAY CAUSE AREAS
  OF BLOWING AND DRIFTING SNOW...WITH VISIBILITY LIMITED TO ONE
  HALF MILE OR LESS AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK...SLUSHY AND SNOW PACKED WITH
  LIMITED VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR
  ACTIVITIES SHOULD BE PREPARED FOR ADVERSE WINTER WEATHER
  CONDITIONS AND TAKE THE PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS
OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR
SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN,
AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST
ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1.

&&

$$

C.BAKER



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