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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
229 AM MDT Fri May 26 2017

WYZ001>020-022>030-271200-
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-
229 AM MDT Fri May 26 2017

...WINTER WEATHER ADVISORY FOR PORTIONS OF THE NORTHERN AND
WESTERN MOUNTAINS TODAY AND TONIGHT...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight

Snow likely in the mountains. Please see forecasts and
winter weather products for details.

Rain could cause possible mud and rock slides in canyons.
Isolated afternoon thunderstorms possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Saturday through Thursday...Isolated thunderstorms in the
afternoon and evening mainly over the mountains and adjacent
foothills. Gusty outflow winds, even from distant thunderstorms
could cause choppy waters on area lakes and reservoirs this
Memorial Day Weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters are urged to report significant weather. Thank you, and
have a safe Memorial Day Weekend.

$$



Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
136 AM MDT Fri May 26 2017

...SNOW RETURNING TO PORTIONS OF THE MOUNTAINS TODAY AND TONIGHT...

.Cold low pressure will cross Wyoming today and bring periods of
snow to portions of the mountains today and tonight. The highest
amounts of snow will be above 8500 feet.

WYZ002-012-014-015-262200-
/O.CON.KRIW.WW.Y.0028.170526T1200Z-170527T0600Z/
Absaroka Mountains-Teton and Gros Ventre Mountains-
Wind River Mountains West-Wind River Mountains East-
136 AM MDT Fri May 26 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS
MORNING TO MIDNIGHT MDT TONIGHT...

* TIMING...Snow will begin in the Tetons around daybreak and
  spread east during the day. Snow will taper off during the
  evening.

* TOTAL SNOWFALL...4 to 10 inches.

* MAIN IMPACT...Mountain passes will become slick and snow
  covered. Visibility may be reduced to under one half mile at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
and slick roads with limited visibilities. Slow down, and allow
extra time to reach your destination. Check the latest road
conditions at wyoroad.info or by dialing 5 1 1.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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