Hazardous Weather Outlook
Issued by NWS Cheyenne, WY

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FLUS45 KCYS 211007
HWOCYS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
407 AM MDT SAT MAY 21 2016

NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119-
221015-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
407 AM MDT SAT MAY 21 2016

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

.DAY ONE...TODAY AND TONIGHT

AREAS OF MORNING FOG AND PATCHY DRIZZLE WILL IMPACT TRAVEL
ALONG INTERSTATE 80 FROM CHEYENNE TO SIDNEY. VISIBILITIES
WILL BE REDUCED TO A HALF MILE AT TIMES.

WIDELY SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL
DEVELOP ALONG AND EAST OF THE LARAMIE RANGE. A FEW STRONG TO
SEVERE THUNDERSTORMS PRODUCING HAIL...LOCALLY HEAVY RAIN AND
STRONG WINDS WILL BE POSSIBLE ACROSS THE PLAINS OF EAST CENTRAL
WYOMING AND THE NORTHERN NEBRASKA PANHANDLE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ISOLATED TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL
BE POSSIBLE SUNDAY AND TUESDAY THROUGH FRIDAY. SEVERE WEATHER IS
NOT EXPECTED.

HIGH WATER LEVELS FROM MOUNTAIN SNOWMELT RUNOFF AND PRECIPITATION
WILL CONTINUE ALONG THE NORTH PLATTE RIVER FROM SOUTHEAST WYOMING
INTO THE NEBRASKA PANHANDLE FOR THE NEXT SEVERAL DAYS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE POSSIBLE NORTH OF A LINE FROM DOUGLAS
TO ALLIANCE LATE THIS AFTERNOON AND EARLY EVENING.

$$

WYZ104-105-109>115-221015-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
407 AM MDT SAT MAY 21 2016

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

.DAY ONE...TODAY AND TONIGHT

WIDELY SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS WILL
DEVELOP OVER THE MOUNTAINS AND HIGH VALLEYS. A FEW STRONG
THUNDERSTORMS WITH GUSTY WINDS AND SMALL HAIL WILL BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SOUTHEAST WYOMING STREAMS AND RIVERS WILL CONTINUE TO RUN HIGH
FOR THE NEXT SEVERAL DAYS DUE TO PRECIPITATION AND MOUNTAIN
SNOWMELT. WARM TEMPERATURES TODAY WILL RESULT IN INCREASED
SNOWMELT...CAUSING ADDITIONAL RISES ON AREA CREEKS...STREAMS AND
RIVERS. CAMPERS AND OUTDOOR RECREATIONISTS HEADED TO THE MOUNTAINS
THIS WEEKEND NEED TO BE FLOOD AWARE AND BE ALERT FOR RAPID WATER
RISES.

ISOLATED TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL
BE POSSIBLE EACH DAY. SEVERE WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

$$



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