Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 142212
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
412 PM MDT Thu Sep 14 2017

WYZ001>020-022>030-151100-
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-
412 PM MDT Thu Sep 14 2017

...Winter Storm Warning for the mountains east of the Continental
Divide and a Winter Weather Advisory for some of the Far Western
Mountains late tonight into Saturday morning...

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...Tonight

Showers and some thunderstorms in the west and north
with a chance of showers and thunderstorms elsewhere. Rain
changing to snow in the higher elevations.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Friday and Friday Night...Significant mountain snowfall expected
over western and northern mountains. Sharply cooler with lowering
snow levels. Snow levels will lower to near or at the valley floor
out west Friday night and into the foothills east of the divide.

Saturday...Lingering showers and mountain/foothill snow Saturday
with gradual improvement during the day.

Monday...Isolated thunderstorms possible in the northwest.

Tuesday...Isolated thunderstorms, mainly in the west and north.

Wednesday...Another cold storm system will dig into the Great
Basin with an increasing chance of showers and isolated
thunderstorms. Another bout of snow is quite possible in the
western mountains.

.SPOTTER INFORMATION STATEMENT...

Spotter are urged to report hail and wind gusts past 45 mph as
well as any high elevation snow amounts. Thank you.

$$



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