WINTER WEATHER ADVISORY
Issue Date: 1102 AM MST SAT DEC 05 2009
Expiration: 500 PM MST SUN DEC 06 2009

...SNOW AND COLD TO IMPACT CENTRAL AND SOUTHERN WYOMING THROUGH SUNDAY...
.AN ARCTIC AIRMASS WILL STRENGTHEN OVER THE AREA THROUGH SUNDAY
WHILE A NEW STORM SYSTEM STRENGTHENS OVER THE NORTHERN GREAT
BASIN. THE COMBINATION OF THESE TWO SYSTEMS WILL PRODUCE LIGHT TO
OCCASIONAL MODERATE SNOW ACROSS CENTRAL AND SOUTHERN WYOMING
THROUGH THE DAY SUNDAY. ANOTHER STORM SYSTEM MAY IMPACT SOUTHERN
WYOMING MONDAY AND TUESDAY WITH ANOTHER ROUND OF SNOW.
WYZ015-060000-
/O.NEW.KRIW.WW.Y.0040.091205T1801Z-091207T0000Z/
WIND RIVER MOUNTAINS EAST-
1101 AM MST SAT DEC 5 2009
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST SUNDAY...
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND WIND WHICH IS IN EFFECT UNTIL 5 PM
MST SUNDAY.
SNOW WILL GRADUALLY INCREASE THROUGH THE EVENING HOURS AND THEN
CONTINUE THROUGH THE DAY SUNDAY. TOTAL SNOWFALL OF 5 TO 10 INCHES
IS EXPECTED ALONG THE EAST SLOPE OF THE WIND RIVER MOUNTAINS
INCLUDING SOUTH PASS WITH LOCALIZED AMOUNTS UP TO A FOOT. STRONG
NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS OVER 40 MPH WILL DEVELOP
OVER SOUTH PASS BY TONIGHT PRODUCING SIGNIFICANT BLOWING AND
DRIFTING SNOW. TRAVELLERS SHOULD BE PREPARED FOR WINTER DRIVING
CONDITIONS AND BITTER COLD TEMPERATURES BELOW ZERO BY TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY FOR SNOW AND WIND MEANS THAT PERIODS OF
SNOW AND STRONG WIND WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED
FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION
WHILE DRIVING.
&&
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 347 AM MST SAT DEC 05 2009
Expiration: 500 AM MST SUN DEC 06 2009

Expires:200912061200;;
FLUS45 KRIW 051047
HWORIW
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MST SAT DEC 5 2009
WYZ001>020-022>030-061200-
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 SAT DEC 5 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.
.DAY ONE...TODAY AND TONIGHT
A STORM SYSTEM MOVING SOUTH...FROM EASTERN IDAHO AND NORTHWESTERN
WYOMING INTO NORTHERN UTAH...TODAY AND TONIGHT WILL AFFECT THE
AREA...WITH THE POTENTIAL FOR SIGNIFICANT SNOWFALL EAST OF THE
DIVIDE...AND OVER SOUTHERN WYOMING TONIGHT INTO SUNDAY. THE MOST
SIGNIFICANT SNOWFALL IS EXPECTED OVER THE EASTERN WIND RIVER
MOUNTAINS...LANDER FOOTHILLS AND THE GREEN AND RATTLESNAKE RANGES.
BREEZY NORTHEAST WINDS WILL CAUSE BLOWING AND DRIFTING OF SNOW...AS
WELL AS VISIBILITY LESS THAN A QUARTER OF A MILE TONIGHT...ESPECIALLY
FROM SWEETWATER COUNTY...NORTHEAST INTO NATRONA COUNTY...INCLUDING
ROCK SPRINGS...JEFFERY CITY...CASPER...AND SOUTH PASS.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
SNOWFALL EAST OF THE DIVIDE WILL TAPER OFF SUNDAY AFTERNOON WITH 2
TO 4 INCHES EXPECTED ACROSS MUCH OF SOUTHERN WYOMING AND SOUTH
CENTRAL WYOMING. HIGHER SNOWFALL AMOUNTS OF 3 TO 8 INCHES WILL BE
POSSIBLE IN THE EASTERN WIND RIVER MOUNTAINS...LANDER FOOTHILLS
AND THE GREEN AND RATTLESNAKE RANGES BY SUNDAY EVENING.
A SECONDARY STORM SYSTEM WILL AFFECT THE AREA MONDAY AND TUESDAY...
WITH THE POTENTIAL FOR SIGNIFICANT SNOWFALL...MAINLY FROM THE ROCK
SPRINGS AREA...NORTHEAST TO CASPER.
BITTERLY COLD WEATHER IS EXPECTED OVER THE REGION SUNDAY THROUGH
WEDNESDAY...WITH TEMPERATURES 20 TO 25 DEGREES BELOW AVERAGE.
.SPOTTER INFORMATION STATEMENT...
SNOWFALL REPORTS WILL BE GREATLY APPRECIATED. THANK YOU.
$$