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Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
330 AM MDT WED MAY 6 2015

NEZ002-003-019>021-054-055-095-096-WYZ101>119-070000-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT...
RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS
330 AM MDT WED MAY 6 2015

...MAJOR WINTER STORM POSSIBLE SATURDAY NIGHT INTO SUNDAY...

CONFIDENCE IS GROWING ON THE RETURN OF WINTER WEATHER TO MUCH OF
SOUTHEAST WYOMING AND POSSIBLY THE NEBRASKA PANHANDLE SATURDAY
NIGHT THROUGH MOST OF SUNDAY. FORECAST GUIDANCE IS GENERALLY IN
GOOD AGREEMENT THAT A STRONG PACIFIC LOW PRESSURE
SYSTEM...CURRENTLY MOVING ONSHORE IN THE PACIFIC NORTHWEST...WILL
MOVE INTO NORTHEASTERN COLORADO SATURDAY AFTERNOON. THIS LOW MAY
INTERACT WITH ABUNDANT MOISTURE TO PRODUCE WIDESPREAD HEAVY SNOW.

WIDESPREAD MODERATE RAIN IS LIKELY SATURDAY AFTERNOON FOR AREAS
ALONG AND EAST OF THE LARAMIE RANGE. AS THE UPPER LEVEL LOW MOVES
INTO NORTHEAST COLORADO SATURDAY NIGHT AND SUNDAY...IT WILL DRAW
MUCH COLDER TEMPERATURES SOUTH ACROSS SOUTHEAST WYOMING AND
NEBRASKA PANHANDLE. SNOW LEVELS LOOK TO BE INITIALLY
HIGH...AROUND 7500 TO 8000 FEET...BUT ARE FORECAST TO FALL TO 5500
FEET EARLY SUNDAY MORNING. WINDS BEHIND THE ASSOCIATED COLD FRONT
LOOK TO BE VERY STRONG AS WELL...WITH SUSTAINED NORTH TO NORTHEAST
WINDS OF 25 TO 35 MPH AND GUSTS OF 40 TO 45 MPH POSSIBLE SATURDAY
EVENING...PERSISTING INTO SUNDAY. THIS IS A VERY FAVORABLE PATTERN
FOR WIDESPREAD HEAVY SNOW AND BLOWING SNOW FOR MUCH OF SOUTHEAST
WYOMING AND NEBRASKA PANHANDLE. TRAVEL ACROSS AREA INTERSTATES
COULD BE SIGNIFICANTLY IMPACTED SATURDAY NIGHT THROUGH MUCH OF
SUNDAY.

THE LOW COULD TRACK FURTHER NORTH...WHICH WOULD MEAN THE HEAVIEST
SNOW WOULD BE FURTHER NORTH. IF THIS HAPPENS...SOUTHEAST WYOMING
AND NEBRASKA PANHANDLE WOULD STAY WARM AND WOULD MOST LIKELY SEE
LIGHT RAIN. IF PLANNING TRAVEL FOR THE MOTHERS DAY WEEKEND ACROSS
SOUTHEAST WYOMING AND WESTERN NEBRASKA...YOU WILL DEFINITELY WANT
TO STAY TUNED TO LATER UPDATES AND STATEMENTS FROM THE NATIONAL
WEATHER SERVICE ON THIS POSSIBLE DEVELOPING WINTER STORM SYSTEM.

$$



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