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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
977
WWUS45 KRIW 040732
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1232 AM MST SUN DEC 4 2016

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

WYZ001-012-042300-
/O.CON.KRIW.WS.W.0013.161204T1200Z-161205T1900Z/
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
1232 AM MST SUN DEC 4 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO NOON MST MONDAY...

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

* TOTAL SNOWFALL...POSSIBLE 10 TO 22 INCHES.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 25 TO 35 MPH
  WITH GUSTS 40 TO 50 MPH BY THIS 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.

&&

$$

WYZ013-042300-
/O.CON.KRIW.WS.W.0013.161204T1200Z-161205T1900Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
1232 AM MST SUN DEC 4 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO NOON MST MONDAY...

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

* TOTAL SNOWFALL...POSSIBLE 4 TO 12 INCHES

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 15 TO 25 MPH
  WITH GUSTS 30 TO 40 MPH BY THIS 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.

&&

$$

WYZ023-024-042300-
/O.CON.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
1232 AM MST SUN DEC 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO NOON MST MONDAY...

* TIMING...LIGHT SNOW ACROSS WESTERN WYOMING THIS MORNING WILL
  GIVE WAY TO INCREASING SNOWFALL BY MID DAY. MODERATE TO HEAVY
  SNOW IS EXPECTED THIS 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 THIS 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.

&&

$$

WYZ014-025-042300-
/O.CON.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
1232 AM MST SUN DEC 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO NOON MST MONDAY...

* TIMING...LIGHT SNOW ACROSS WESTERN WYOMING THIS MORNING WILL
  GIVE WAY TO INCREASING SNOWFALL BY MID DAY. MODERATE TO HEAVY
  SNOW IS EXPECTED BY THIS 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 2 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 THIS 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.

&&

$$

WYZ015-042300-
/O.CON.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
WIND RIVER MOUNTAINS EAST-
1232 AM MST SUN DEC 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO NOON MST MONDAY...

* TIMING...LIGHT SNOW ACROSS WESTERN WYOMING THIS MORNING WILL
  GIVE WAY TO INCREASING SNOWFALL BY MID DAY. MODERATE TO HEAVY
  SNOW IS EXPECTED THIS 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 THIS 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.

&&

$$

WYZ002-042300-
/O.CON.KRIW.WW.Y.0036.161204T1200Z-161205T1900Z/
ABSAROKA MOUNTAINS-
1232 AM MST SUN DEC 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO NOON MST MONDAY...

* TIMING...LIGHT SNOW ACROSS NORTHWEST WYOMING THIS MORNING WILL
  GIVE WAY TO INCREASING SNOWFALL BY MID DAY. MODERATE TO HEAVY
  SNOW IS EXPECTED THIS 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 THIS 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.

&&

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.