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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
350 PM MST THU DEC 18 2014

WYZ001>020-022>030-191200-
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-
350 PM MST THU DEC 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TONIGHT

AREAS OF FOG WILL CONTINUE ACROSS THE WIND RIVER BASIN.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SUNDAY THROUGH MONDAY...SIGNIFICANT SNOWFALL AND WIND EXPECTED IN THE
WESTERN MOUNTAINS AND POSSIBLY THE LOWER ELEVATIONS...ESPECIALLY FROM
THE JACKSON VALLEY NORTHWARD. SNOWFALL AMOUNTS OF 1 TO 2 FEET ARE
POSSIBLE IN THE WESTERN MOUNTAINS WITH SOME OF THE LOWER ELEVATIONS
FROM THE JACKSON VALLEY INTO YELLOWSTONE NATIONAL PARK POTENTIALLY
RECEIVING 6 TO 12 INCHES.

STRONG WINDS ARE ALSO EXPECTED ACROSS THE RED DESERT...INTERSTATE 80
CORRIDOR...SOUTH PASS AND JEFFREY CITY AREA TO CASPER SUNDAY
AFTERNOON INTO MONDAY AND ALSO THE ABSAROKA MOUNTAINS AND ADJACENT
CODY FOOTHILLS WITH STRONG GUSTS.

WEDNESDAY...A NEW STORM SYSTEM WILL DEVELOP TO OUR WEST SPREADING
SNOW FROM SOUTHWEST TO NORTHEAST ON CHRISTMAS EVE. STAY TUNED OVER
THE NEXT SEVERAL DAYS ON THIS POTENTIAL TRAVEL IMPACTING STORM ON
CHRISTMAS EVE THROUGH CHRISTMAS DAY FOR CENTRAL AND SOUTHWEST
WYOMING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT.

$$

TEAM RIVERTON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1025 AM MST THU DEC 18 2014

COZ030>051-191730-
JACKSON COUNTY BELOW 9000 FEET-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
1025 AM MST THU DEC 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

AREAS OF LIGHT SNOW WILL LINGER IN THE MOUNTAINS AS A WEAK UPPER
LEVEL DISTURBANCE MOVES ACROSS THE STATE. ANY ADDITIONAL SNOW
ACCUMULATIONS WILL BE LIGHT...LESS THAN 2 INCHES. ACROSS THE URBAN
CORRIDOR AND NORTHEAST PLAINS IT WILL BE CLOUDY AND HAZY WITH
HIGHS IN THE 30 TO 40 DEGREE RANGE...COLDEST OVER THE FAR
NORTHEAST PLAINS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A FEW SNOW SHOWERS WILL CONTINUE IN THE MOUNTAINS FRIDAY AND
SATURDAY. THE NEXT SIGNIFICANT WEATHER SYSTEM WILL BEGIN MOVING
INTO THE STATE LATE SUNDAY AS A STRONG AND MOIST JET STREAM
APPROACHES FROM THE PACIFIC NORTHWEST. SNOW IS EXPECTED TO
INCREASE IN THE MOUNTAINS ON SUNDAY ALONG WITH GUSTY WINDS OVER
THE FOOTHILLS AND ADJACENT PLAINS SUNDAY NIGHT INTO MONDAY
MORNING. SNOW MAY BE HEAVY IN THE MOUNTAINS ON MONDAY WITH A
SLIGHT CHANCE OF RAIN AND SNOW OVER NORTHEAST COLORADO. DRIER
WEATHER WILL RETURN TUESDAY INTO WEDNESDAY WITH COOLER
TEMPERATURES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
536 AM MST THU DEC 18 2014

COZ001>014-017>023-UTZ022>025-027>029-191300-
LOWER YAMPA RIVER BASIN-CENTRAL YAMPA RIVER BASIN-
ROAN AND TAVAPUTS PLATEAUS-ELKHEAD AND PARK MOUNTAINS-
UPPER YAMPA RIVER BASIN-GRAND VALLEY-DEBEQUE TO SILT CORRIDOR-
CENTRAL COLORADO RIVER BASIN-GRAND AND BATTLEMENT MESAS-
GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS-
CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN-
WEST ELK AND SAWATCH MOUNTAINS-FLATTOPS-
UPPER GUNNISON RIVER VALLEY-UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-
NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS-
PARADOX VALLEY/LOWER DOLORES RIVER-
FOUR CORNERS/UPPER DOLORES RIVER-ANIMAS RIVER BASIN-
SAN JUAN RIVER BASIN-SOUTHEAST UTAH-EASTERN UINTA MOUNTAINS-
EASTERN UINTA BASIN-TAVAPUTS PLATEAU-ARCHES/GRAND FLAT-
LA SAL AND ABAJO MOUNTAINS-CANYONLANDS/NATURAL BRIDGES-
536 AM MST THU DEC 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT

MORNING RAIN AND SNOW SHOWERS WILL CONTINUE ACROSS WESTERN
COLORADO...WITH SNOWFALL ENDING FROM WEST TO EAST THIS AFTERNOON.
ANOTHER 1 TO 4 INCHES OF SNOW WILL BE POSSIBLE OVER THE MOUNTAINS
OF WEST CENTRAL AND SOUTHWEST COLORADO BEFORE THE SNOW ENDS...WITH
LESS THAN AN INCH EXPECTED ACROSS THE VALLEYS. AREAS OF FOG CAN BE
EXPECTED OVERNIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE IS A CHANCE OF SNOW FRIDAY NIGHT AND EARLY SATURDAY ACROSS THE
NORTHERN MOUNTAINS...WITH DRY WEATHER EXPECTED ELSEWHERE.

A SERIES OF PACIFIC STORMS ARE THEN EXPECTED TO MOVE THROUGH THE
REGION BEGINNING SUNDAY AFTERNOON AND CONTINUING THROUGH TUESDAY
NIGHT. THIS MAY BRING MODERATE TO HEAVY SNOWFALL TO THE MOUNTAINS
OF WESTERN COLORADO AND EASTERN UTAH...WITH A CHANCE FOR RAIN AND
SNOW OVER THE VALLEYS. SNOWFALL ACCUMULATIONS COULD EXCEED ONE
FOOT ACROSS THE NORTHERN AND CENTRAL MOUNTAINS IN WESTERN
COLORADO...WITH LIGHT AMOUNTS ANTICIPATED ELSEWHERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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