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

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WWUS45 KRIW 141104
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
504 AM MDT TUE APR 14 2015

...A STRONG SPRING SNOWSTORM IS EXPECTED TONIGHT...WEDNESDAY AND INTO
WEDNESDAY NIGHT...

.A STRONG PACIFIC TROUGH AND ASSOCIATED COLD FRONT WILL PRODUCE
ACCUMULATING SNOWFALL OVER MUCH OF WYOMING WITH THE HEAVIEST
SNOWFALL EXPECTED ALONG AND EAST OF THE CONTINENTAL DIVIDE TONIGHT
AND WEDNESDAY. ONCE THE FRONT SWEEPS THROUGH THE AREA...HIGH
TEMPERATURES WILL BE SOME 30 TO 40 DEGREES COLDER THAN THEY WIL BE
TODAY AHEAD OF THE FRONT. IN ADDITION TO THE EXPECTED
SNOW...STRONG NORTH WINDS MAY RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW...SEVERELY RESTRICTING THE VISIBILITY.

WYZ010-011-150000-
/O.NEW.KRIW.BZ.A.0001.150415T0900Z-150416T0600Z/
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITIES OF...BUFFALO...KAYCEE
504 AM MDT TUE APR 14 2015

...BLIZZARD WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING.

* SUMMARY AND TIMING...SNOW WILL BE DEVELOPING AFTER MIDNIGHT
  TONIGHT... BECOMING HEAVY AT TIMES AFTER 3 AM. SNOW...HEAVY
  AT TIMES WILL CONTINUE THROUGH 12 MIDNIGHT TONIGHT.

* WIND AND VISIBILITY...NORTH WINDS 30 TO 45 MPH WITH SOME GUSTS
  TO 55 MPH.

* SNOW ACCUMULATIONS...4 INCHES AROUND BUFFALO AND 2 INCHES IN
  SOUTHEAST JOHNSON COUNTY.

* IMPACTS...STRONG WINDS MAY RESULT IN CONSIDERABLE BLOWING AND
  DRIFTING SNOW WITH VISIBILITY OF NEAR ZERO AT TIMES. INTERSTATES
  25 AND 90 MAY BE SEVERELY IMPACTED. IN ADDITION...HIGHWAYS MAY FLASH
  FREEZE AS SLUSH TURNS RAPIDLY TO ICE THAT WILL BE HIDDEN BY
  ADDITIONAL SNOW ACCUMULATION. EXPECT WIND CHILLS OF 10 TO 15
  DEGREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WATCH IS ISSUED WHEN SUSTAINED WINDS OF 35 MPH OR
GREATER OR FREQUENT GUSTS OVER 35 MPH WILL COMBINE WITH
CONSIDERABLE FALLING AND/OR BLOWING SNOW TO PRODUCE FREQUENT
VISIBILITY BELOW ONE QUARTER MILE IN THE NEXT 12 TO 48 HOURS.
ROADS MAY CLOSE OR BECOME IMPASSABLE IN THESE CONDITIONS.

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.

&&

$$

WYZ015-018-150000-
/O.NEW.KRIW.WS.A.0006.150415T0900Z-150416T0600Z/
WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
504 AM MDT TUE APR 14 2015

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING.

* SUMMARY AND TIMING...SNOW WILL BE DEVELOPING AFTER MIDNIGHT
  TONIGHT... POSSIBLY BECOMING HEAVY AT TIMES AFTER 3 AM.
  SNOW...HEAVY AT TIMES MAY CONTINUE THROUGH 12 MIDNIGHT TONIGHT.

* SNOW ACCUMULATIONS...6 INCHES IN LANDER AND 6 TO 10 INCHES ON
  THE EAST SLOPE OF THE WIND RIVER MOUNTAINS.

* WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WITH GUSTS TO
  40 MPH EXCEPT 30 TO 40 MPH WITH GUSTS TO 50 MPH ON SOUTH PASS
  MAY RESULT IN NEAR ZERO VISIBILITY ON SOUTH PASS THIS AFTERNOON
  DUE TO BLOWING SNOW. NORTH WINDS 10 TO 20 MPH EXPECTED IN
  LANDER.

* IMPACTS...HIGHWAY 28 OVER SOUTH PASS MAY BE SEVERELY IMPACTED BY
  CONSIDERABLE BLOWING AND DRIFTING SNOW ALONG WITH NEAR ZERO
  VISIBILITY BY THIS AFTERNOON. IN ADDITION...HIGHWAYS MAY FLASH
  FREEZE AS SLUSH TURNS RAPIDLY TO ICE THAT WILL BE HIDDEN BY
  ADDITIONAL SNOW ACCUMULATION.

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.

&&

$$

WYZ020-022-150000-
/O.NEW.KRIW.WS.A.0006.150415T0900Z-150416T1200Z/
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-
INCLUDING THE CITY OF...CASPER
504 AM MDT TUE APR 14 2015

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT.

* SUMMARY AND TIMING...SNOW WILL BE DEVELOPING AFTER MIDNIGHT
  TONIGHT... MAY BECOME HEAVY AT TIMES AFTER 3 AM. SNOW...HEAVY AT
  TIMES MAY CONTINUE THROUGH 6 AM THURSDAY MORNING.

* SNOW ACCUMULATIONS...3 TO 6 INCHES IN SOUTHERN NATRONA COUNTY INCLUDING
  THE CASPER AREA...6 TO 10 INCHES ON CASPER MOUNTAIN AND 2 TO 3 INCHES
  IN NORTHERN NATRONA COUNTY INCLUDING MIDWEST.

* WIND AND VISIBILITY...NORTH WINDS 20 TO 35 MPH MAY REDUCE THE
  VISIBILITY TO ONE QUARTER OF A MILE AT TIMES FROM BLOWING AND
  DRIFTING SNOW.

* IMPACTS...AREA HIGHWAYS INCLUDING INTERSTATE 25 MAY BECOME SLICK
  AND SNOW COVERED. BLOWING SNOW WILL REDUCE VISIBILITY AT TIMES.
  HIGHWAYS MAY FLASH FREEZE AS SLUSH TURNS RAPIDLY TO ICE THAT
  WILL BE HIDDEN BY ADDITIONAL SNOW ACCUMULATION.

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.

&&

$$

WYZ008-009-150000-
/O.NEW.KRIW.WS.A.0006.150415T0900Z-150416T0600Z/
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-
504 AM MDT TUE APR 14 2015

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING.

* SUMMARY AND TIMING...SNOW WILL BE DEVELOPING AFTER MIDNIGHT
  TONIGHT... MAY BECOME HEAVY AT TIMES AFTER 3 AM. SNOW...HEAVY AT
  TIMES MAY CONTINUE THROUGH 12 MIDNIGHT WEDNESDAY NIGHT

* SNOW ACCUMULATIONS...6 TO 12 INCHES.

* WIND AND VISIBILITY...NORTH WINDS 10 TO 20 MPH WITH SOME GUSTS
  OF 30 TO 35 MPH MAY REDUCE VISIBILITY TO ONE QUARTER TO ONE
  HALF OF A MILE AT TIMES RESULTING IN SOME BLOWING AND DRIFTING
  SNOW.

* IMPACTS...GRANITE AND POWER RIVER PASSES MAY BECOME SLICK AND
  SNOW COVERED ALONG WITH REDUCED VISIBILITY DUE TO BLOWING SNOW.
  HIGHWAYS MAY FLASH FREEZE AS SLUSH TURNS RAPIDLY TO ICE THAT
  WILL BE HIDDEN BY ADDITIONAL SNOW ACCUMULATION.

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.

&&

$$

TEAM RIVERTON





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