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Hazardous Weather Outlook

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

WYZ001>020-022>030-221300-
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-
400 AM MST SUN DEC 21 2014

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

...HIGH WIND WARNING FOR THE CODY FOOTHILLS TONIGHT THROUGH 11 AM
SUNDAY...

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

...HIGH WIND WATCHES IN EFFECT FOR PORTIONS OF CENTRAL AND
NORTHEASTERN WYOMING LATE TONIGHT THROUGH MONDAY AFTERNOON...

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 HAVE BEEN ISSUED 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 MAY ALSO SEE THE BEGINNING
OF STRONG WIND ACROSS THE WIND RIVER BASIN AND NORTHERN JOHNSON
COUNTY WHERE HIGH WIND WATCHES HAVE BEEN ISSUED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY...SIGNIFICANT SNOWFALL AND WIND EXPECTED IN WESTERN WYOMING.
TOTAL SNOWFALL AMOUNTS OF 1 TO 2 FEET ARE POSSIBLE IN THE WESTERN
MOUNTAINS BY MONDAY MORNING WITH THE LOWER ELEVATIONS AND VALLEYS
POTENTIALLY RECEIVING 5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS.
SNOW WILL TAPER OFF MONDAY MORNING.

STRONG WINDS MAY ALSO BLOW SUNDAY NIGHT FROM DUBOIS TO RIVERTON AND
ACROSS NORTHERN JOHNSON COUNTY.

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. THANK YOU.

$$

TEAM RIVERTON






High Wind Watch

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
230 AM MST SUN DEC 21 2014

...STRONG WINDS TO IMPACT SOUTHERN WYOMING TODAY...

.AN ONGOING STORM SYSTEM WILL KEEP STRONG WIND ACROSS THE ABSAROKA
MOUNTAINS AND CODY FOOTHILLS THROUGH THE MORNING HOURS.
ADDITIONALLY...HIGH WINDS WILL THEN DEVELOP ACROSS THE SOUTH IN
SOUTHERN LINCOLN...SWEETWATER AND SOUTHERN FREMONT COUNTIES. AS
THE NORTHWEST WIND INCREASES ACROSS THE FORECAST AREA...THE
POTENTIAL EXISTS FOR STRONG WINDS TO DEVELOP ACROSS THE WIND RIVER
BASIN AND JOHNSON COUNTY THIS EVENING...AND CONTINUE THROUGH
MONDAY AFTERNOON.

WYZ016-017-212300-
/O.NEW.KRIW.HW.A.0028.141222T0300Z-141222T1800Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
230 AM MST SUN DEC 21 2014

...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING.

* SUMMARY AND TIMING...INCREASED NORTHWEST FLOW WILL BRING
  POTENTIALLY STRONG WIND ACROSS THE AREA THIS EVENING...AND WILL
  CONTINUE THROUGH MONDAY MORNING.

* WIND...30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH WILL BE POSSIBLE.

* IMPACTS...THE POTENTIAL DEVELOPMENT OF STRONG WIND WOULD CREATE
  HAZARDOUS TRAVEL...ESPECIALLY FOR HIGH PROFILE AND LIGHTWEIGHT
  VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$




National Weather Service
Central Region Headquarters
Kansas City, Missouri
Last Modified: March 29, 2004
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