Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 200925
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
325 AM MDT Thu Apr 20 2017

WYZ001>020-022>030-211200-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
325 AM MDT Thu Apr 20 2017

...Winter Weather Advisories for the eastern Wind River Mountains,
Absaroka Mountains and Cody Foothills tonight into Friday night...

...Winter Storm Warning for the Bighorn Mountains beginning at
midnight tonight and continuing through Friday night...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight...

A few thunderstorms will return to the region today. Significant
mountain snow and valley rain will develop across the forecast
area later this afternoon and tonight. Please see the latest
Winter Weather Product (WSW) for more details concerning
Advisories and Warnings.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday...

Friday and Friday night...Significant mountain snow continues
across the forecast area with the Bighorn Mountains in position
for probable heavy snow. Light to moderate snowfall expected
elsewhere...especially across the northern half of Wyoming above
5500 feet. Please see the latest Winter Weather Product (WSW) for
more details concerning Advisories and Warnings.

Sunday and Sunday night...A chance of rain and snow in the west
with isolated thunderstorms. Isolated thunderstorms possible east
of the divide Sunday evening.

.SPOTTER INFORMATION STATEMENT...

Spotters are urged to report any hail or snowfall amounts. Thank
you.

$$



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