Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 130709
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1208 AM MST SAT DEC 13 2014

WYZ026-028-029-132300-
FLAMING GORGE-ROCK SPRINGS AND GREEN RIVER-UPPER GREEN RIVER BASIN-
1208 AM MST SAT DEC 13 2014

A WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST WYOMING TODAY.
OCCASIONAL LIGHT SNOW WILL BE POSSIBLE THROUGH THIS MORNING ACROSS
THE WEST. THEN BY MIDNIGHT TONIGHT...BRISK NORTH NORTHWEST WINDS OF
15 TO 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED TO BECOME WIDESPREAD
ACROSS WESTERN SWEETWATER COUNTY...AND ALONG PORTIONS INTERSTATE 80.
LIGHT AREAS OF SNOW MAY COMBINE WITH THESE WINDS OFFERING REDUCED
VISIBILITY AT TIMES. THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY
AFTERNOON BEFORE WEAKENING AND MOVING EAST. TOTAL ACCUMULATING
SNOWFALL WITH THIS SYSTEM SHOULD REMAIN BELOW 3 INCHES FOR MOST
LOCATIONS.

$$

WYZ016-132300-
UPPER WIND RIVER BASIN-
1208 AM MST SAT DEC 13 2014

A WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST WYOMING TODAY...
MOVING NORTHWARD THROUGH THE DAY SUNDAY. BY MIDNIGHT TONIGHT...SNOW
AND BRISK NORTH TO NORTHWEST WINDS OF 15 MPH WITH GUSTS 20 TO 25 MPH
ARE EXPECTED TO BECOME WIDESPREAD ACROSS WESTERN FREMONT COUNTY.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY EVENING BEFORE
WEAKENING AND MOVING EAST. SNOWFALL OF 1 TO 2 INCHES...WITH
LOCALLY HIGHER AMOUNTS...IS EXPECTED NEAR DUBOIS. THE
WIND IS EXPECTED TO CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH
VISIBILITIES BELOW A HALF MILE AT TIMES. TRAVEL ACROSS THE AREA MAY
BECOME DIFFICULT AT TIMES LATE SATURDAY NIGHT AND SUNDAY.

$$

WYZ003>008-132300-
BIGHORN MOUNTAINS WEST-CODY FOOTHILLS-NORTH BIG HORN BASIN-
OWL CREEK AND BRIDGER MOUNTAINS-SOUTHEAST BIG HORN BASIN-
SOUTHWEST BIG HORN BASIN-
1208 AM MST SAT DEC 13 2014

A WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST WYOMING
LATER TODAY. BRISK NORTH WINDS OF 15 MPH WITH GUSTS TO 25 MPH ARE
EXPECTED TO BECOME WIDESPREAD ACROSS THE REGION LATER TONIGHT.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY EVENING BEFORE
WEAKENING AND MOVING EAST. SNOWFALL OF AROUND AN INCH IS EXPECTED
OVER MOST OF THE NORTHERN BIGHORN BASIN...WITH 1 TO 3 INCHES
ELSEWHERE. LOCALLY HIGHER AMOUNTS MAY BE FOUND IN THE FOOTHILLS AND
MOUNTAINS OF THE AREA. THE OWL CREEK AND BRIDGER MOUNTAINS MAY SEE
SNOWFALL OF 3 TO 6 INCHES. THE WIND IS EXPECTED TO CREATE AREAS OF
BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW A HALF MILE AT
TIMES. TRAVEL ACROSS THE AREA MAY BECOME DIFFICULT AT TIMES SATURDAY
NIGHT AND SUNDAY.

$$

WYZ009>011-132300-
BIGHORN MOUNTAINS SOUTHEAST-NORTHEAST JOHNSON COUNTY-
SOUTHEAST JOHNSON COUNTY-
1208 AM MST SAT DEC 13 2014

A WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST
WYOMING LATER TODAY. BY MIDNIGHT BRISK NORTH WINDS OF 10 TO 15 MPH
WITH GUSTS TO 25 MPH ARE EXPECTED TO BECOME WIDESPREAD ACROSS
JOHNSON COUNTY...INCLUDING INTERSTATE 25...WITH SNOW BEGINNING IN THE
AREA BY SUNDAY MORNING.

THE STORM IS EXPECTED TO CONTINUE WELL INTO SUNDAY EVENING BEFORE
WEAKENING AND MOVING OUT OF THE AREA. SNOWFALL OF 1 TO 3 INCHES...
WITH LOCALLY HIGHER AMOUNTS IN THE FOOTHILLS IS EXPECTED AT THIS
TIME. THE BIGHORN MOUNTAINS MAY SEE SNOWFALL OF 4 TO 8 INCHES. THE
WIND IS EXPECTED TO CREATE AREAS OF BLOWING AND DRIFTING SNOW WITH
VISIBILITIES BELOW A QUARTER MILE AT TIMES. TRAVEL ACROSS THE AREA
MAY BECOME DIFFICULT BY SUNDAY MORNING.

$$

WYZ001-012>014-023>025-027-132300-
JACKSON HOLE-SALT RIVER AND WYOMING RANGES-SOUTH LINCOLN COUNTY-
STAR VALLEY-TETON AND GROS VENTRE MOUNTAINS-
UPPER GREEN RIVER BASIN FOOTHILLS-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
1208 AM MST SAT DEC 13 2014

A MODEST WINTER STORM IS EXPECTED TO INFLUENCE WESTERN WYOMING
TODAY THROUGH AT LEAST SUNDAY MORNING. SOUTH WINDS AND LIGHT SNOW
WILL BE REPLACED BY WEST TO NORTHWEST WINDS OF 10 TO 15 MPH WITH
GUSTS 20 TO 25 MPH LATER THIS AFTERNOON.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY AFTERNOON BEFORE
WEAKENING AND MOVING EAST.  GENERALLY...SNOWFALL OF 1 TO 3 INCHES...
WITH LOCALLY HIGHER AMOUNTS...IS EXPECTED AT THIS TIME. THE MOUNTAINS
MAY SEE SNOWFALL OF 3 TO 7 INCHES. THE WIND MAY COMBINE WITH THE SNOW
AT TIMES CREATING AREAS WITH VISIBILITIES DOWN TO A HALF MILE
AT TIMES. TRAVEL ACROSS THE AREA MAY BECOME DIFFICULT AT TIMES...
ESPECIALLY THROUGH THIS MORNING.

$$

WYZ002-132300-
ABSAROKA MOUNTAINS-
1208 AM MST SAT DEC 13 2014

A WINTER STORM IS EXPECTED TO DEVELOP OVER SOUTHWEST WYOMING TODAY.
WEST WINDS WILL BE REPLACED BY NORTHWEST WINDS OF 10 TO 15
MPH WITH GUSTS 20 TO 25 MPH THIS EVENING...WITH SNOW BEGINNING SOON
AFTER.

THE STORM IS EXPECTED TO CONTINUE INTO SUNDAY EVENING BEFORE
WEAKENING AND MOVING OUT OF THE AREA. SNOWFALL OF 1 TO 2 INCHES
ACROSS THE NORTHERN MOUNTAINS...WITH 2 TO 6 INCHES ACROSS THE
SOUTHERN ABSAROKAS IS EXPECTED AT THIS TIME. THE WIND MAY COMBINE
WITH THE SNOW AT TIMES CREATING AREAS WITH VISIBILITIES DOWN TO A
QUARTER OF A MILE AT TIMES. TRAVEL ACROSS THE AREA MAY BECOME
DIFFICULT AT TIMES TONIGHT AND SUNDAY.

$$

JB/C.BAKER



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