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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
850 PM MDT WED MAY 6 2015

WYZ101>119-071245-
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-
850 PM MDT WED MAY 6 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WYOMING...SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING.

.DAY ONE...TONIGHT

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL OCCUR THE REST OF
THE NIGHT ALONG WITH AREAS OF FOG. FOG MAY BE DENSE AT TIMES OVER
THE INTERSTATE 80 SUMMIT BETWEEN LARAMIE AND CHEYENNE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A SLIGHT CHANCE FOR AFTERNOON AND EVENING THUNDERSTORMS
THURSDAY THROUGH SATURDAY.

A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH NORTHERN COLORADO
OVER THE WEEKEND. THIS SYSTEM WILL LIKELY BE COLD ENOUGH TO PRODUCE
SNOW ACROSS MUCH OF SOUTHEAST WYOMING SATURDAY AFTERNOON THROUGH
SUNDAY. SIGNIFICANT SNOW ACCUMULATIONS AND BLOWING SNOW WILL BE
POSSIBLE WITH THE CURRENT FORECASTED TRACK OF THIS SYSTEM.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED THIS AFTERNOON AND TONIGHT.

$$



Special Weather Statement

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
238 PM MDT WED MAY 6 2015

NEZ002-003-019>021-054-055-095-096-WYZ101>119-071200-
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
238 PM MDT WED MAY 6 2015

...WINTER STORM CONDITIONS POSSIBLE SATURDAY NIGHT AND SUNDAY...

THERE IS GREATER CONFIDENCE IN THE RETURN OF WINTER WEATHER TO
MUCH OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE
SATURDAY NIGHT AND SUNDAY. THE FORECAST MODELS ARE IN GOOD
AGREEMENT TRACKING A STRONG SURFACE LOW PRESSURE SYSTEM FROM
EASTERN COLORADO SATURDAY AFTERNOON INTO CENTRAL NEBRASKA SUNDAY.
THIS LOW PRESSURE SYSTEM MAY INTERACT WITH ABUNDANT MOISTURE TO
PRODUCE WIDESPREAD HEAVY SNOWFALL.

WIDESPREAD 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 AIR SOUTH ACROSS SOUTHEAST WYOMING AND THE WESTERN
NEBRASKA PANHANDLE. SNOW LEVELS WILL START AROUND 7500 TO 8000
FEET...THEN DROP TO 5500 FEET EARLY SUNDAY MORNING. WINDS BEHIND
THE ASSOCIATED COLD FRONT MAY BE QUITE STRONG...WITH SUSTAINED
NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH GUSTING TO AROUND 40 MPH
LATE SATURDAY AFTERNOON THROUGH SUNDAY. THIS IS A FAVORABLE
PATTERN FOR WIDESPREAD HEAVY SNOW AND BLOWING SNOW FOR MUCH OF
SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE. TRAVEL
ACROSS INTERSTATES 25 AND 80 COULD BE SIGNIFICANTLY IMPACTED
SATURDAY NIGHT AND SUNDAY.

THERE IS THE POSSIBILITY THAT THE LOW PRESSURE SYSTEM COULD TRACK
FURTHER NORTH...WHICH WOULD MEAN THE HEAVIEST SNOW WOULD BE
FURTHER NORTH AND MUCH OF SOUTHEAST WYOMING AND THE WESTERN
NEBRASKA PANHANDLE WOULD MOST LIKELY EXPERIENCE LIGHT RAIN AND
SNOW. IF PLANNING TRAVEL FOR THE MOTHERS DAY WEEKEND ACROSS
SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE...STAY TUNED
FOR LATER UPDATES AND STATEMENTS FROM THE NATIONAL WEATHER SERVICE
IN CHEYENNE ON THIS POTENTIAL WINTER STORM.

$$





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