Hazardous Weather Outlook
Issued by NWS Riverton, WY

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FLUS45 KRIW 202106
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
206 PM MST Mon Feb 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-
206 PM MST Mon Feb 20 2017

...Flood Warning remains in effect for the Big Horn River roughly
between Manderson and Greybull Today...

...Winter Storm Warning for the Western Mountains this Afternoon
through Tuesday Night...

...Multiple High Wind Warnings and Watches for areas east of the
Divide through Tuesday Evening...

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...This Afternoon and Tonight

Ice jam flooding continues across portions of northern Wyoming.

Significant snow and blowing snow to continue over the western
mountains this afternoon, continuing through Tuesday night.
Please see the winter storm warning for more details. Snow
developing in the western valleys this afternoon, but mixing with
or changing to rain below 7000 feet later in the afternoon and
tonight.

Strong to high wind developing late this afternoon across portions
of central Wyoming east of the Continental Divide. Please see the
high wind product for more details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Tuesday through Tuesday night...Periods of moderate to heavy snow
will continue across the western mountains. Rain will mix with
snow in the valleys, changing back over to snow by Tuesday
evening.

Strong to high wind continues over portions of the area, east of
the Continental Divide Tuesday and Tuesday evening.

Late Wednesday Night Through Thursday Night...Significant snow
possible in central Wyoming along with windy conditions causing
significant blowing and drifting snow.

.SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report
any river or creek flooding, as well as snowfall amounts, and wind
gusts of over 45 mph. Thank you!


$$

TEAM RIVERTON



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