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

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WWUS45 KRIW 071843
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1143 AM MST WED DEC 7 2016

...POTENTIAL FOR SIGNIFICANT SNOWFALL THURSDAY NIGHT THROUGH
SATURDAY MORNING FOR WESTERN WYOMING...

.A STRONG WEST FLOW OFF OF THE PACIFIC WILL DRAW ABUNDANT PACIFIC
MOISTURE INTO WESTERN WYOMING THURSDAY NIGHT THROUGH SATURDAY
MORNING WHICH IS EXPECTED TO RESULT IN ANOTHER SIGNIFICANT
SNOWFALL FOR WESTERN WYOMING ALONG WITH STRONG WINDS PRODUCING
BLOWING AND DRIFTING SNOW...ESPECIALLY ON THE MOUNTAIN PASSES.

WYZ027-081000-
/O.EXA.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
SATURDAY MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
SATURDAY MORNING.

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...5 INCHES POSSIBLE AROUND KEMMERER AND 9 INCHES
  POSSIBLE AROUND COKEVILLE.

* WIND AND VISIBILITY...WEST WINDS OF 15 TO 30 MPH WITH GUSTS TO
  40 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH
  LOWERED VISIBILITY DOWN TO ONE QUARTER OF A MILE AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK 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 WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

&&

$$

WYZ015-081000-
/O.EXA.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
WIND RIVER MOUNTAINS EAST-
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
SATURDAY MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
SATURDAY MORNING.

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...10 TO 18 INCHES POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO
  55 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH
  LOWERED VISIBILITY DOWN TO ONE QUARTER OF A MILE AT TIMES ESPECIALLY
  OVER SOUTH PASS WHERE THE VISIBILITY MAY LOWER TO NEAR ZERO AT
  TIMES.

* IMPACTS...ROADS MAY BECOME SLICK 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...ESPECIALLY OVER SOUTH PASS WHERE THE
  VISIBILITY MAY LOWER TO NEAR ZERO AT TIMES.

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.

&&

$$

WYZ001-081000-
/O.CON.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY MORNING...

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...3 TO 6 INCHES IN THE NORTHERN PORTION OF THE
  PARK AROUND MAMMOTH... 6 TO 10 INCHES IN THE CENTRAL PORTION OF
  THE PARK AND UP TO 15 TO 25 INCHES POSSIBLE OVER THE SOUTHWEST
  PORTION OF THE PARK.

* WIND AND VISIBILITY...WEST WINDS OF 15 TO 30 MPH WITH GUSTS TO
  40 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH
  LOWERED VISIBILITY DOWN TO ONE QUARTER OF A MILE.

* IMPACTS...ROADS MAY BECOME SLICK 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 WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

&&

$$

WYZ012-013-081000-
/O.CON.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY MORNING...

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...12 TO 18 INCHES ALONG THE GROS VENTRE RANGE
  AND 18 TO 28 INCHES ALONG THE TETON RANGE POSSIBLE. 8 TO 12
  INCHES POSSIBLE IN THE JACKSON VALLEY.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH GUSTS TO
  50 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH
  LOWERED VISIBILITY DOWN TO NEAR ZERO POSSIBLE AT TIMES ON
  EXPOSED RIDGES... ESPECIALLY OVER TETON AND TOGWOTEE PASS AND
  ALONG HIGHWAY 89 BETWEEN MOOSE AND MORAN.

* IMPACTS...ROADS MAY BECOME SLICK 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 WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

&&

$$

WYZ023-024-081000-
/O.CON.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY MORNING...

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...8 TO 15 INCHES IN THE STAR VALLEY POSSIBLE
  ALONG WITH 15 TO 25 INCHES POSSIBLE IN THE SALT AND WYOMING
  RANGES.

* WIND AND VISIBILITY...WEST WINDS OF 20 TO 30 MPH WITH GUSTS TO
  45 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH
  LOWERED VISIBILITY DOWN TO ONE QUARTER OF A MILE AT TIMES ON
  SALT RIVER PASS.

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

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.

&&

$$

WYZ002-081000-
/O.CON.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
ABSAROKA MOUNTAINS-
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY MORNING...

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...12 TO 22 INCHES IN THE WESTERN ABSAROKA
  MOUNTAINS AND 5 TO 9 INCHES ACROSS THE EASTERN ABSAROKA
  MOUNTAINS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO
  55 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH
  LOWERED VISIBILITY DOWN TO ONE QUARTER OF A MILE ALONG WITH SOME
  50 MPH WIND GUSTS ACROSS THE EASTERN SLOPES WHICH COULD RESULT
  IN NEAR ZERO VISIBILITY AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES...ESPECIALLY ALONG THE CHIEF JOSEPH
  HIGHWAY WHERE THE VISIBILITY COULD LOWER TO NEAR ZERO AT TIMES
  ACROSS DEAD INDIAN PASS. PEOPLE PLANNING OUTDOOR ACTIVITIES
  SHOULD BE PREPARED FOR ADVERSE WINTER WEATHER CONDITIONS AND
  TAKE THE PROPER PRECAUTIONS.

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.

&&

$$

WYZ014-081000-
/O.CON.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
WIND RIVER MOUNTAINS WEST-
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY MORNING...

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

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

* WIND AND VISIBILITY...WEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 45
  MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH LOWERED
  VISIBILITY DOWN TO ONE QUARTER OF A MILE. HOWEVER... WIND SPEEDS
  OF 55 MPH COULD LOWER THE VISIBILITY DUE TO BLOWING SNOW TO NEAR
  ZERO AT TIMES ALONG SOUTH PASS.

* IMPACTS...ROADS MAY BECOME SLICK 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... ESPECIALLY OVER SOUTH PASS WHERE THE
  VISIBILITY MAY LOWER TO NEAR ZERO AT TIMES.

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.

&&

$$

WYZ025-081000-
/O.CON.KRIW.WS.A.0010.161208T2200Z-161210T1900Z/
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
1143 AM MST WED DEC 7 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY MORNING...

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THURSDAY AFTERNOON.
  SNOWFALL WILL BECOME HEAVY AT TIMES THURSDAY NIGHT AND WILL
  LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE
  ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL
  WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...8 INCHES POSSIBLE AROUND PINEDALE AND 15
  INCHES POSSIBLE AROUND BONDURANT.

* WIND AND VISIBILITY...WEST WINDS OF 15 TO 30 MPH WITH GUSTS TO
  35 MPH MAY RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH
  LOWERED VISIBILITY DOWN TO ONE QUARTER OF A MILE AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK 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 WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

&&

$$



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