Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 112050
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
150 PM MST THU DEC 11 2014

WYZ028>030-121000-
EAST SWEETWATER COUNTY-FLAMING GORGE-ROCK SPRINGS AND GREEN RIVER-
150 PM MST THU DEC 11 2014

A POTENTIAL WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST
WYOMING DURING THE EVENING SATURDAY.  BY MIDNIGHT SNOW AND BRISK
NORTH NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED
TO BECOME WIDESPREAD ACROSS SWEETWATER COUNTY...AND ALONG INTERSTATE
80.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  SNOWFALL OF 3 TO 7 INCHES...WITH LOCALLY
HIGHER AMOUNTS...IS EXPECTED AT THIS TIME.  THE WIND IS EXPECTED TO
CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW
A QUARTER MILE.  TRAVEL ACROSS SWEETWATER COUNTY IS EXPECTED TO
BECOME DIFFICULT SATURDAY NIGHT AND SUNDAY.


$$

WYZ019-121000-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
150 PM MST THU DEC 11 2014

A POTENTIAL WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST
WYOMING DURING THE EVENING SATURDAY.  BY MIDNIGHT SNOW AND BRISK
NORTH NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED
TO BECOME WIDESPREAD ACROSS SOUTHERN FREMONT AND SOUTHWEST
NATRONA COUNTIES...INCLUDING HIGHWAY 287.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  SNOWFALL OF 3 TO 7 INCHES...WITH LOCALLY
HIGHER AMOUNTS...IS EXPECTED AT THIS TIME.  THE WIND IS EXPECTED TO
CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW
A QUARTER MILE.  TRAVEL ACROSS THE AREA IS EXPECTED TO BECOME
DIFFICULT SATURDAY NIGHT AND SUNDAY.

$$

WYZ015>018-121000-
LANDER FOOTHILLS-UPPER WIND RIVER BASIN-WIND RIVER BASIN-
WIND RIVER MOUNTAINS EAST-
150 PM MST THU DEC 11 2014

A POTENTIAL WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST
WYOMING DURING THE EVENING SATURDAY.  BY MIDNIGHT SNOW AND BRISK
NORTH NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED
TO BECOME WIDESPREAD ACROSS FREMONT COUNTY...INCLUDING
HIGHWAYS 287...789...28 AND 26.  SOUTH PASS AND BEAVER RIM ARE
EXPECTED TO SEE SIGNIFICANT SNOW AND WIND.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  SNOWFALL OF 3 TO 7 INCHES...WITH LOCALLY
HIGHER AMOUNTS...IS EXPECTED AT THIS TIME.  THE MOUNTAINS MAY SEE
SNOWFALL OF A FOOT OR MORE.  THE WIND IS EXPECTED TO CREATE AREAS OF
BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW A QUARTER MILE.
TRAVEL ACROSS THE AREA IS EXPECTED TO BECOME DIFFICULT SATURDAY NIGHT
AND SUNDAY.

$$

WYZ020-022-121000-
CASPER MOUNTAIN-NATRONA COUNTY LOWER ELEVATIONS-
150 PM MST THU DEC 11 2014

A POTENTIAL WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST
WYOMING DURING THE EVENING SATURDAY.  BY MIDNIGHT SNOW AND BRISK
NORTH NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED
TO BECOME WIDESPREAD ACROSS NATRONA COUNTY...INCLUDING INTERSTATE
25 AND HIGHWAYS 220...20 AND 26.  SOUTH PASS AND BEAVER RIM ARE
EXPECTED TO SEE SIGNIFICANT SNOW AND WIND.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  SNOWFALL OF 3 TO 7 INCHES...WITH LOCALLY
HIGHER AMOUNTS...IS EXPECTED AT THIS TIME.  CASPER MOUNTAIN MAY
SEE SNOWFALL OF A FOOT OR MORE.  THE WIND IS EXPECTED TO CREATE AREAS
OF BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW A QUARTER MILE.
TRAVEL ACROSS THE AREA IS EXPECTED TO BECOME DIFFICULT SATURDAY NIGHT
AND SUNDAY.

$$

WYZ005>008-121000-
BIGHORN MOUNTAINS WEST-OWL CREEK AND BRIDGER MOUNTAINS-
SOUTHEAST BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-
150 PM MST THU DEC 11 2014

A POTENTIAL WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST
WYOMING DURING THE EVENING SATURDAY.  BY MIDNIGHT SNOW AND BRISK
NORTH NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED
TO BECOME WIDESPREAD ACROSS HOT SPRINGS AND WASHAKIE COUNTIES...
INCLUDING THE WIND RIVER CANYON.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  SNOWFALL OF 2 TO 4 INCHES...WITH LOCALLY
HIGHER AMOUNTS...IS EXPECTED AT THIS TIME.  THE OWL CREEK AND BRIDGER
MOUNTAINS MAY SEE SNOWFALL UP TO 10 INCHES.  THE WIND IS EXPECTED TO
CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW A
QUARTER MILE. TRAVEL ACROSS THE AREA IS EXPECTED TO BECOME DIFFICULT
SATURDAY NIGHT AND SUNDAY.

$$

WYZ009>011-121000-
BIGHORN MOUNTAINS SOUTHEAST-NORTHEAST JOHNSON COUNTY-
SOUTHEAST JOHNSON COUNTY-
150 PM MST THU DEC 11 2014

A POTENTIAL WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST
WYOMING DURING THE EVENING SATURDAY.  BY MIDNIGHT SNOW AND BRISK
NORTH NORTHEAST WINDS OF 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED
TO BECOME WIDESPREAD ACROSS JOHNSON COUNTY...INCLUDING INTERSTATE
25.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  SNOWFALL OF 2 TO 4 INCHES...WITH LOCALLY
HIGHER AMOUNTS...IS EXPECTED AT THIS TIME.  THE BIGHORN MOUNTAINS MAY
SEE SNOWFALL UP TO 10 INCHES OVER POWDER RIVER PASS.  THE WIND IS
EXPECTED TO CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH
VISIBILITIES BELOW A QUARTER MILE. TRAVEL ACROSS THE AREA IS EXPECTED
TO BECOME DIFFICULT SATURDAY NIGHT AND SUNDAY.

$$

WYZ001-012>014-023>025-121000-
JACKSON HOLE-SALT RIVER AND WYOMING RANGES-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN FOOTHILLS-
WIND RIVER MOUNTAINS WEST-YELLOWSTONE NATIONAL PARK-
150 PM MST THU DEC 11 2014

A POTENTIAL WINTER STORM IS EXPECTED TO BRUSH WESTERN
WYOMING SATURDAY INTO SUNDAY MORNING.  BRISK NORTH NORTHEAST WINDS
OF 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED TO BECOME WIDESPREAD
ACROSS THE AREA.  TETON AND TOGWOTEE PASSES MAY SEE SIGNIFICANT SNOW
AND WIND.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  SNOWFALL OF 2 TO 5 INCHES...WITH LOCALLY
HIGHER AMOUNTS...IS EXPECTED AT THIS TIME.  THE MOUNTAINS MAY SEE
SNOWFALL UP TO 9 INCHES.  THE WIND IS EXPECTED TO CREATE AREAS OF
BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW A QUARTER MILE
ON THE PASSES.  TRAVEL ACROSS THE AREA IS EXPECTED TO BECOME
DIFFICULT SATURDAY NIGHT AND SUNDAY.

$$

C.BAKER



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