SPECIAL WEATHER STATEMENT
Issue Date: 237 PM MST FRI DEC 04 2009
Expiration: 300 AM MST SAT DEC 05 2009

...SNOW AND COLD LIKELY FOR THIS WEEKEND THROUGH MONDAY...
A LOW PRESSURE CENTER WILL TRACK SOUTH ALONG THE IDAHO WYOMING
BORDER THIS WEEKEND. THIS WEATHER FEATURE WILL SWING AN ASSOCIATED
ARCTIC COLD FRONT SOUTH ACROSS WYOMING SATURDAY. SNOW WILL SPREAD
FROM NORTHWEST TO SOUTHEAST SATURDAY ACROSS THE AREA. THE SNOWFALL
WILL PERSIST THROUGH SATURDAY NIGHT AND SUNDAY. ALTHOUGH THE SNOWFALL
INTENSITY WILL BE RELATIVELY LIGHT...THIS STORM SYSTEM WILL HAVE THE
POTENTIAL TO PRODUCE A SNOW TOTAL OF 6 TO 12 INCHES OF SNOWFALL
ACROSS THE WESTERN MOUNTAINS AND THE BIG HORN MOUNTAINS BY
SUNDAY EVENING. THERE IS ALSO THE POTENTIAL FOR 3 TO 6 INCHES OF SNOW
TO FALL IN THE WESTERN VALLEYS DURING THIS SAME TIME FRAME. THE
LANDER FOOTHILLS COULD ALSO SEE A TOTAL OF 3 INCHES OVER THE COURSE
OF THIS WEEKEND. MANY ROADWAYS MAY BECOME SLICK AND SNOW COVERED.
IN ADDITION TO THE SNOWFALL...SOME OF THE COLDEST TEMPERATURES OF THE
SEASON IN MANY AREAS ARE EXPECTED BEHIND THIS ANTICIPATED WEEKEND
SNOW STORM. TEMPERATURES ARE LIKELY TO BE EVEN COLDER LATER THIS
WEEKEND THAN WHAT WAS EXPERIENCED EARLIER THIS WEEK. MANY LOCATIONS
IN WESTERN WYOMING ARE EXPECTED TO SEE TEMPERATURES PLUMMET TO
BETWEEN 20 AND 25 BELOW ZERO MONDAY MORNING. MOST OTHER LOCATIONS
MONDAY MORNING WILL EXPERIENCE LOW TEMPERATURES OF 5 TO 15 BELOW
ZERO.
THERE IS A POTENTIAL FOR HEAVIER SNOWFALL FOR MONDAY ACROSS MUCH OF
WESTERN AND CENTRAL WYOMING AS ANOTHER LOW PRESSURE CENTER TRACKS
EAST ACROSS THE ROCKIES.
STAY TUNED FOR ANY FURTHER STATEMENTS CONCERNING THE UPCOMING SNOW
EVENTS.
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 716 AM MST FRI DEC 04 2009
Expiration: 500 AM MST SAT DEC 05 2009

Expires:200912051200;;
FLUS45 KRIW 041156
HWORIW
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MST FRI DEC 4 2009
WYZ001>020-022>030-051200-
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 MST FRI DEC 4 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.
.DAY ONE...TODAY AND TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
A STORM SYSTEM WILL AFFECT THE AREA SATURDAY AND SUNDAY...WITH THE
POTENTIAL FOR SIGNIFICANT SNOWFALL EAST OF THE DIVIDE...AND
OVER SOUTHERN WYOMING SATURDAY NIGHT AND SUNDAY. CURRENTLY THE BEST
SHOT AT SIGNIFICANT SNOWFALL IS OVER THE EASTERN WIND RIVER
MOUNTAINS...LANDER FOOTHILLS AND THE GREEN AND RATTLESNAKE RANGES. IN
ADDITION...BITTERLY COLD WEATHER IS EXPECTED OVER THE REGION SUNDAY
THROUGH WEDNESDAY...WITH TEMPERATURES 20 TO 25 DEGREES BELOW
AVERAGE.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
$$