Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 211100
HWORIW

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
400 AM MST SUN DEC 21 2014

WYZ001>020-022>030-221300-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
400 AM MST SUN DEC 21 2014

...WINTER STORM WARNINGS FOR MUCH OF WESTERN WYOMING TONIGHT
THROUGH MONDAY MORNING...

...HIGH WIND WARNING FOR THE CODY FOOTHILLS TONIGHT THROUGH 11 AM
SUNDAY...

...HIGH WIND WARNINGS FOR SOUTHERN WYOMING FROM 5 AM TO 11 PM
SUNDAY...

...HIGH WIND WATCHES IN EFFECT FOR PORTIONS OF CENTRAL AND
NORTHEASTERN WYOMING LATE TONIGHT THROUGH MONDAY AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

SIGNIFICANT SNOWFALL WILL CONTINUE ACROSS THE WESTERN MOUNTAINS AND
VALLEYS TODAY. AREAS OF STRONG WIND WILL ACCOMPANY SNOWFALL
CREATING POTENTIALLY SIGNIFICANT BLOWING SNOW. WINTER STORM
WARNINGS HAVE BEEN ISSUED FOR THESE LOCATIONS. STRONG WIND WILL ALSO
IMPACT SOUTHERN WYOMING THROUGH THROUGH LATE EVENING HOURS...
ESPECIALLY THE INTERSTATE 80 CORRIDOR. HIGH WIND WARNINGS
REMAIN IN EFFECT FOR THESE AREAS. TONIGHT MAY ALSO SEE THE BEGINNING
OF STRONG WIND ACROSS THE WIND RIVER BASIN AND NORTHERN JOHNSON
COUNTY WHERE HIGH WIND WATCHES HAVE BEEN ISSUED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY...SIGNIFICANT SNOWFALL AND WIND EXPECTED IN WESTERN WYOMING.
TOTAL SNOWFALL AMOUNTS OF 1 TO 2 FEET ARE POSSIBLE IN THE WESTERN
MOUNTAINS BY MONDAY MORNING WITH THE LOWER ELEVATIONS AND VALLEYS
POTENTIALLY RECEIVING 5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS.
SNOW WILL TAPER OFF MONDAY MORNING.

STRONG WINDS MAY ALSO BLOW SUNDAY NIGHT FROM DUBOIS TO RIVERTON AND
ACROSS NORTHERN JOHNSON COUNTY.

WEDNESDAY NIGHT THROUGH CHRISTMAS DAY...A NEW STORM SYSTEM WILL
IMPACT THE REGION. THE POTENTIAL FOR SIGNIFICANT SNOWFALL IS
STILL A POSSIBILITY ACROSS CENTRAL AND SOUTHWEST WYOMING ON CHRISTMAS
DAY. THE EXACT TRACK OF THE STORM IS STILL UNCERTAIN. STAY TUNED
FOR UPDATES ON THIS STORM AND HOW IT MAY IMPACT HOLIDAY TRAVEL.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL IN THE WEST...AND WIND
STRONGER THAN 40 MPH IN THE SOUTH. THANK YOU.

$$

TEAM RIVERTON




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