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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
1135 AM MST SUN DEC 21 2014

WYZ001>020-022>030-220900-
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-
1135 AM MST SUN DEC 21 2014

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

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

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 CONTINUE 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 WILL ALSO SEE THE BEGINNING OF GUSTY WIND BLOWING
ACROSS PARTS OF THE WIND RIVER BASIN AND NORTHERN JOHNSON COUNTY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY...SIGNIFICANT SNOWFALL AND WIND EXPECTED TO TAPER DOWN
ACROSS IN WESTERN WYOMING. TOTAL SNOWFALL AMOUNTS OF 1 TO 2 FEET
WILL OCCUR IN THE WESTERN MOUNTAINS BY MONDAY MORNING WITH THE LOWER
ELEVATIONS AND VALLEYS POTENTIALLY RECEIVING 6 TO 12 INCHES WITH
LOCALLY HIGHER AMOUNTS.

STRONG WINDS MAY ALSO BLOW SUNDAY NIGHT FROM DUBOIS TO RIVERTON AND
ACROSS NORTHERN JOHNSON COUNTY JUST BEHIND A COLD FRONT.

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 TO NEAR CASPER MOUNTAIN. THANK YOU.

$$

TEAM RIVERTON





Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
505 PM MST SUN DEC 21 2014

WYZ016-017-221300-
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
505 PM MST SUN DEC 21 2014

...STRONG NORTH TO NORTHWEST WIND TONIGHT AND MONDAY MORNING...

STRONG NORTH TO NORTHWEST WIND AT 25 TO 35 WITH GUSTS NEAR 55 MPH
WILL BLOW ACROSS THE WIND RIVER BASIN THIS EVENING AND OVERNIGHT.
SOME BANDS OF SNOW SHOWERS WILL ACCOMPANY THESE STRONG WINDS MAINLY
FROM RIVERTON AND NORTHEAST TO BOYSEN RESERVOIR AND MONETA.   WINDS
ARE EXPECTED TO STAY STRONG OVERNIGHT INTO MONDAY MORNING BEFORE
DECREASING AROUND MIDDAY MONDAY.

THESE WINDS MAY CAUSE LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH
PROFILE VEHICLES TRAVELING EMPTY OR WITH A LIGHT LOAD.  CONTROLLING A
VEHICLE IN THESE WINDS IS EVEN MORE DIFFICULT WHEN SLICK ROAD
CONDITIONS ARE PRESENT.

$$



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Page last modified: May 16, 2007
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