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

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000
WWUS45 KRIW 101503
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
803 AM MST TUE JAN 10 2017

...MAJOR LONG DURATION WINTER STORM TO IMPACT THE WEST THROUGH
WEDNESDAY NIGHT...

...WINTER STORM WATCH TONIGHT THROUGH WEDNESDAY NIGHT FOR THE
CODY FOOTHILLS AND NORTHERN BIGHORN BASIN...

.SEVERAL WEATHER SYSTEMS WILL IMPACT THE WEST THROUGH WEDNESDAY
NIGHT BRINGING MULTIPLE PERIODS OF MODERATE TO HEAVY SNOW AND
WIND. THE POTENTIAL FOR HEAVY SNOW WILL ALSO MOVE INTO PARTS OF
NORTH CENTRAL WYOMING TUESDAY NIGHT THROUGH WEDNESDAY NIGHT.

WYZ012-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
TETON AND GROS VENTRE MOUNTAINS-
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY.

* SNOWFALL SO FAR...15 TO 30 INCHES WITH SOME AREAS APPROACHING 3
  FEET THROUGH EARLY TUESDAY MORNING.

* STORM TOTAL SNOW...2 TO 4 FEET.

* WIND AND VISIBILITY...WEST TO SOUTHWEST WIND 25 TO 35 MPH WITH
  GUSTS OVER 50 MPH AT PASS AND PEAK LEVEL. VISIBILITY WILL BE
  REDUCED TO UNDER ONE QUARTER MILE AT TIMES ALONG WITH BLOWING
  AND DRIFTING SNOW.

* MAIN IMPACT...ROADS WILL BE SLICK AND SNOW PACKED AND
  VISIBILITIES WILL BE UNDER ONE QUARTER MILE AT TIMES IN HEAVY
  SNOW. AVALANCHE DANGER WILL ALSO BE VERY HIGH DURING THIS EVENT
  FOR BACKCOUNTRY TRAVELLERS AND EVEN THOSE OVER TETON PASS. CHECK
  ROAD CONDITIONS IF YOU MUST TRAVEL.

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.

&&

$$

WYZ001-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY.

* SNOWFALL SO FAR...4 TO 21 INCHES THROUGH 9 PM MONDAY.

* TOTAL SNOW...1 TO 3 FEET IN THE MOUNTAINS; 6 TO 12 INCHES
  ACROSS THE LOWER ELEVATIONS.

* WIND AND VISIBILITY...WEST TO SOUTHWEST 15 TO 25 MPH WITH
  GUSTS OVER 40 MPH IN THE MOUNTAINS PRODUCING AREAS OF BLOWING
  AND DRIFTING SNOW. VISIBILITIES UNDER ONE QUARTER MILE AT
  TIMES IN HEAVIER SNOW PERIODS.

* MAIN IMPACT...ROADS WILL BE SLICK AND SNOW PACKED. BACKCOUNTRY
  TRAVEL WILL BE HAMPERED.

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.

&&

$$

WYZ002-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
ABSAROKA MOUNTAINS-
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND TONIGHT
  THROUGH WEDNESDAY NIGHT.

* SNOWFALL SO FAR...3 TO 12 INCHES THROUGH 9 PM MONDAY.

* TOTAL SNOW...18 TO 30 INCHES IN THE SOUTHWEST MOUNTAINS WITH 4
  TO 12 INCHES ELSEWHERE.

* WIND AND VISIBILITY...WEST TO SOUTHWEST 20 TO 30 MPH WITH
  GUSTS OVER 45 MPH IN THE MOUNTAINS PRODUCING AREAS OF BLOWING
  AND DRIFTING SNOW. VISIBILITIES UNDER ONE QUARTER MILE AT
  TIMES IN HEAVIER SNOW PERIODS.

* MAIN IMPACT...ROADS AND HIGHWAYS WILL BECOME SLICK AND SNOW
  PACKED.

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.

&&

$$

WYZ024-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
SALT RIVER AND WYOMING RANGES-
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY.

* SNOWFALL SO FAR...18 TO 33 INCHES HAS FALLEN THROUGH 9 PM
  MONDAY.

* TOTAL SNOW...2 TO 4 FEET.

* WIND AND VISIBILITY...WEST TO SOUTHWEST WIND 25 TO 35 MPH WITH
  GUSTS 40 TO 50 MPH AT PASS AND PEAK LEVEL PRODUCING
  VISIBILITIES TO UNDER ONE QUARTER MILE AT TIMES ALONG WITH
  BLOWING AND DRIFTING SNOW.

* MAIN IMPACT...ROADS BE SLICK AND SNOW PACKED AND VISIBILITIES
  WILL BE UNDER ONE QUARTER MILE AT TIMES IN HEAVY SNOW.
  AVALANCHE DANGER WILL ALSO BE INCREASING DURING THIS EVENT FOR
  BACKCOUNTRY TRAVELLERS.

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.

&&

$$

WYZ014-015-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY.

* SNOWFALL SO FAR...6 TO 20 INCHES THROUGH 9 PM MONDAY.

* TOTAL SNOW...18 TO 36 INCHES ON THE WEST SIDE OF THE WIND
  RIVER MOUNTAINS; 12 TO 24 INCHES ON THE EAST SLOPE OF THE WIND
  RIVER MOUNTAINS.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING INCREASING TO
  25 TO 35 MPH WITH GUSTS 50 TO 60 MPH OVER SOUTH PASS PRODUCING
  VISIBILITIES TO UNDER ONE QUARTER MILE AT TIMES ALONG WITH
  BLOWING AND DRIFTING SNOW.

* MAIN IMPACT...ROADS AND HIGHWAYS WILL BECOME SLICK AND SNOW
  PACKED...INCLUDING SOUTH PASS.

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.

&&

$$

WYZ013-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY.

* SNOWFALL SO FAR...10 TO 27 INCHES FELL THROUGH 7 AM TUESDAY.

* TOTAL SNOW...18 TO 36 INCHES ACROSS THE JACKSON VALLEY WITH
  THE HEAVIER AMOUNTS TOWARDS WILSON...MOOSE AND MORAN.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 15 TO 25
  MPH WITH GUSTS TO 40 MPH IN OPEN AREAS. VISIBILITIES UNDER ONE
  QUARTER MILE AT TIMES IN SNOW AND BLOWING SNOW.

* MAIN IMPACT...ROADS AND HIGHWAYS WILL BECOME SLICK AND SNOW
  PACKED WITH SHARPLY REDUCED VISIBILITY.

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.

&&

$$

WYZ025-026-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY.

* SNOWFALL SO FAR...4 TO 15 INCHES THROUGH 7 AM TUESDAY.

* TOTAL SNOW...5 TO 8 INCHES IN THE SOUTHERN PART OF THE AREA
  WITH 10 TO 20 INCHES IN THE NORTH HALF FROM PINEDALE AND
  DANIEL NORTHWARD TO BONDURANT.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 15 TO 25
  MPH WITH GUSTS TO 35 MPH IN OPEN AREAS. VISIBILITIES UNDER ONE
  QUARTER MILE AT TIMES IN SNOW AND BLOWING SNOW.

* MAIN IMPACT...ROADS AND HIGHWAYS WILL BECOME SLICK AND SNOW
  PACKED WITH SHARPLY REDUCED VISIBILITY.

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.

&&

$$

WYZ027-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY MORNING.

* SNOWFALL SO FAR...5 TO 8 INCHES THROUGH 7 AM TUESDAY.

* TOTAL SNOW...5 TO 8 INCHES EAST OF THE BEAR RIVER DIVIDE WITH
  10 TO 20 INCHES WEST OF THE BEAR RIVER DIVIDE AND COKEVILLE.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 15 TO 25
  MPH WITH GUSTS TO 35 MPH IN OPEN AREAS. VISIBILITIES UNDER ONE
  QUARTER MILE AT TIMES IN SNOW AND BLOWING SNOW.

* MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED
  AT TIMES WITH SHARPLY REDUCED VISIBILITY.

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.

&&

$$

WYZ023-102300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-170112T1200Z/
STAR VALLEY-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
803 AM MST TUE JAN 10 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
THURSDAY...

* TIMING...SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH THE
  PERIOD. THE HEAVIEST SNOW IS EXPECTED THIS MORNING AND
  ESPECIALLY TONIGHT THROUGH WEDNESDAY MORNING.

* SNOWFALL SO FAR...6 TO 12 INCHES THROUGH 7 AM TUESDAY.

* TOTAL SNOW...1 TO 2 FEET WITH THE HEAVIER AMOUNTS TOWARDS THE
  NORTH END OF THE VALLEY.

* WIND AND VISIBILITY...SOUTHWEST WIND INCREASING TO 15 TO 25
  MPH WITH GUSTS TO 35 MPH IN OPEN AREAS. VISIBILITIES UNDER ONE
  QUARTER MILE AT TIMES IN SNOW AND BLOWING SNOW.

* MAIN IMPACT...ROADS AND HIGHWAYS WILL BECOME SLICK AND SNOW
  PACKED WITH SHARPLY REDUCED VISIBILITY.

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.

&&

$$

WYZ003-102300-
/O.CON.KRIW.WS.A.0003.170111T0000Z-170112T1200Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
803 AM MST TUE JAN 10 2017

...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 PM MST THIS
AFTERNOON THROUGH LATE WEDNESDAY NIGHT...

* TIMING...LIGHT SNOW MAY BEGIN LATE THIS AFTERNOON WITH HEAVIER
  SNOW POSSIBLE FROM TONIGHT THROUGH WEDNESDAY NIGHT.

* SNOWFALL...6 TO 12 INCHES POSSIBLE WITH LOCALLY HIGHER AMOUNTS
  AROUND WAPITI AND PAHASKA.

* VISIBILITY...UNDER ONE QUARTER MILE AT TIMES IN HEAVY SNOW.

* MAIN IMPACT...ROADS WILL BECOME SLICK AND VISIBILITIES WILL BE
  SHARPLY REDUCED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

&&

$$

WYZ004-102300-
/O.CON.KRIW.WS.A.0003.170111T0000Z-170112T1200Z/
NORTH BIG HORN BASIN-
803 AM MST TUE JAN 10 2017

...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 PM MST THIS
AFTERNOON THROUGH LATE WEDNESDAY NIGHT...

* TIMING...LIGHT SNOW MAY BEGIN LATE THIS AFTERNOON WITH HEAVIER
  SNOW POSSIBLE FROM TONIGHT THROUGH WEDNESDAY NIGHT.

* SNOWFALL...4 TO 8 INCHES POSSIBLE.

* VISIBILITY...UNDER ONE QUARTER MILE AT TIMES IN HEAVY SNOW.

* MAIN IMPACT...ROADS WILL BECOME SLICK AND VISIBILITIES WILL BE
  SHARPLY REDUCED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

&&

$$

SKRBAC


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