Hazardous Weather Outlook
Issued by NWS Riverton, WY

000
FLUS45 KRIW 151100
HWORIW

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MDT WED MAY 15 2013

WYZ001>020-022>030-161200-
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-
500 AM MDT WED MAY 15 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE DURING THE
AFTERNOON HOURS. GUSTY WIND WILL BE THE PRIMARY THREAT.

WARM TEMPERATURES WILL BE FOUND ACROSS THE AREA TODAY...THOUGH WILL
NOT BE RECORD BREAKING. REGARDLESS...THESE WARM TEMPERATURES MAY
CONTINUE THE RAPID MELTING OF THE MOUNTAIN SNOWPACK. THIS RAPID
SNOWMELT WILL RESULT IN MODERATE TO PERHAPS SIGNIFICANT RISES ON
AREA RIVERS AND STREAMS EARLY TO MIDDLE OF NEXT WEEK. PLEASE SEE THE
HYDROLOGIC OUTLOOK ISSUED MAY 13TH...TO SEE WHAT DRAINAGES ARE MOST
SUSCEPTIBLE TO FLOODING BY MOUNTAIN SNOWMELT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED THUNDERSTORMS ARE POSSIBLE THURSDAY AFTERNOON AND
NIGHT IN NORTHWEST WYOMING.

ON FRIDAY...WIDELY SCATTERED TO SCATTERED THUNDERSTORMS WILL COVER
MUCH OF CENTRAL AND WESTERN WYOMING. A FEW OF THESE STORMS COULD BE
QUITE STRONG.

SATURDAY...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE POSSIBLE
ACROSS MOST OF THE AREA.

SUNDAY AND MONDAY...A MUCH COLDER STORM SYSTEM MAY DEVELOP OVER THE
GREAT BASIN SPREADING AN UPSLOPE RAIN EVENT TO CENTRAL WYOMING WITH
SNOW IN THE MOUNTAINS. STAY TUNED OVER THE NEXT SEVERAL DAYS AS
DETAILS OF THIS STORM SYSTEM BECOME MORE CERTAIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

TEAM RIVERTON