Hazardous Weather Outlook
Issued by NWS Cheyenne, WY

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FLUS45 KCYS 211953
HWOCYS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
153 PM MDT SAT MAY 21 2016

NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-117>119-
222000-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-EAST PLATTE COUNTY-GOSHEN COUNTY-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
153 PM MDT SAT MAY 21 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

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...ALONG WITH ISOLATED TORNADOES.
THESE STORMS ARE POSSIBLE ALONG AND EAST OF THE LARAMIE RANGE BY
MID AFTERNOON...POSSIBLY INTO THE NEBRASKA PANHANDLE THIS EVENING.

.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 MAY BE NEEDED ALONG AND EAST OF A DOUGLAS TO
WHEATLAND TO CHEYENNE LINE AFTER 3 PM TODAY. SPOTTER ACTIVATION
MAY BE NEEDED IN THE NEBRASKA PANHANDLE AFTER 6 PM TODAY.

$$

WYZ103>106-109>116-222000-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE 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-
153 PM MDT SAT MAY 21 2016

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

.DAY ONE...THIS AFTERNOON 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.

WARM TEMPERATURES THIS AFTERNOON WILL LEAD TO INCREASED RIVER
LEVELS ON THE UPPER NORTH PLATTE RIVER AND LARAMIE RIVER THIS
AFTERNOON AND EVENING.

.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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