Hazardous Weather Outlook
Issued by NWS Riverton, WY

000
FLUS45 KRIW 121100
HWORIW

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MDT SUN MAY 12 2013

WYZ001>020-022>030-131200-
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 SUN MAY 12 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

TODAY...ISOLATED THUNDERSTORMS WITH GUSTY WIND AND CLOUD TO GROUND
LIGHTNING ARE EXPECTED IN THE MOUNTAINS THIS AFTERNOON AND EARLY
EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY AND TUESDAY...VERY WARM TEMPERATURES WILL CAUSE RAPID
MELTING OF THE MOUNTAIN SNOWPACK. THIS WILL RESULT IN MODERATE TO
PERHAPS SIGNIFICANT RISES ON AREA RIVERS AND STREAMS EARLY TO
MIDDLE OF NEXT WEEK. PLEASE SEE THE WYOMING SPRING SNOWMELT
FLOOD POTENTIAL OUTLOOK ISSUED MAY 8TH...TO SEE WHAT DRAINAGES ARE
MOST SUSCEPTIBLE TO FLOODING BY MOUNTAIN SNOWMELT. THIS OUTLOOK IS
FOUND ON OUR WEBSITE...WEATHER.GOV/RIVERTON...UNDER THE TOP NEWS OF
THE DAY.

ISOLATED MAINLY MOUNTAIN THUNDERSTORMS ARE POSSIBLE EACH AFTERNOON
AND EVENING THROUGH THURSDAY.

ON FRIDAY...THUNDERSTORM MAY BE ON THE INCREASE AS A LOW PRESSURE
SYSTEM MOVES INTO THE GREAT BASIN...ESPECIALLY ACROSS THE WEST.

SATURDAY...SCATTERED THUNDERSTORMS ARE POSSIBLE...ESPECIALLY IN THE
WEST AND NORTH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

TEAM RIVERTON