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2 products issued by NWS for: 2 Miles WNW Mountain View WY
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
322 PM MDT Mon May 20 2019

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-
322 PM MDT Mon May 20 2019

...Winter Weather Advisory for Casper Mountains and east slopes of
Wind River and Bighorn Mountains tonight through Wednesday
morning...

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...This Afternoon and Tonight.

Snow/rain mix will continue this afternoon and overnight.
Isolated thunderstorms are also possible across much of southwest
WY this afternoon. Precipitation could be heavy at times. The
next storm system will bring rain/snow to southern and central WY
starting around midnight tonight. Heavier snow will fall tonight
into Tuesday morning along the east slopes of the Bighorn and Wind
River Mountains as well as over Casper Mountain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday through Friday...More widespread snow and rain will fall
Tuesday into Wednesday morning. The east slopes of the Bighorn and
Wind River Mountains as well as Casper Mountain will see higher
amounts of wet heavy snow Tuesday night into Wednesday morning.
Foothills locations from Lander to Casper north to Buffalo could
also see a couple inches of wet snow. Strong north winds are
expected in the Bighorn Basin and Johnson County Tuesday afternoon
into Wednesday morning.

Another strong storm is expected to move through the area on
Thursday as well. Temperatures will remain well below normal
through at least Friday.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions, especially snowfall and any flooding.

$$

McDonald




Special Weather Statement

Special Weather Statement
National Weather Service Riverton WY
228 PM MDT Mon May 20 2019

WYZ020-211300-
Natrona County Lower Elevations-
Including the city of Casper
228 PM MDT Mon May 20 2019

...Wintry Weather to Return Early Tuesday Morning Through
Wednesday Morning...

Precipitation is expected to spread across Natrona County early
Tuesday morning and continue through at least Wednesday morning.
Snow accumulation is possible again by sunrise Tuesday. Little
additional snow accumulation is expected during the day Tuesday,
before colder air pushes south late in the day. This will allow
for more snow to accumulate Tuesday night and Wednesday morning.

* WHAT...Snow. Accumulations 1 to 2 inches possible Monday night.
  Tuesday night accumulations of 1 to 3 inches expected.

* WHERE...Casper and the lower elevations of Natrona County.

* WHEN...Monday night and again Tuesday night.

* ADDITIONAL DETAILS...Snow accumulations are likely to be a
  little higher each night along US 20/26 west of Casper between
  Powder River and Hiland.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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