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Wyoming, Bighorn Mountains Southeast

Winter Weather Advisory

Statement as of 2:15 AM MST on December 16, 2017

Expires 7:00 AM EST on December 17, 2017


... Winter Weather Advisory remains in effect until 5 am MST
Sunday...

* what... snow expected. Plan on difficult travel conditions. Total
snow accumulations of 5 to 8 inches, with localized amounts up
to 16 inches, expected.

* Where... Bighorn Mountains west and Bighorn Mountains southeast.

* When... 5 am this morning to 5 am Sunday.

* Additional details... be prepared for reduced visibilities 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
roads and limited visibilities, and use caution while driving.
The latest Road conditions for the state you are calling from can
be obtained by calling 5 1 1.




Special Statement

Statement as of 2:30 AM MST on December 16, 2017

Expires 5:00 PM EST on December 16, 2017


... Snow and colder temperatures for Johnson County early Saturday
into Saturday evening...

Snow will spread south into Johnson County early this morning,
becoming widespread by late this morning. Snowfall is expected to
continue through today, with snow accumulations of 5 to 10 inches
in the mountains and 2 to 5 inches in the lower elevations.

Travel may become difficult on Powder River Pass. Expect
slick icy and snow packed pavement with low visibility on
interstates 25 and 90.



Public Information Statement

Statement as of 9:11 PM MST on December 15, 2017

Expires 10:00 AM EST on December 16, 2017


... Preliminary storm information...

The following are peak wind gusts recorded over the last 24 hours.

***** Peak wind reports *****

Location speed time/date elevation (ft.)

... Wyoming...

... Fremont County...
7 SW Muddy Gap 73 mph 0350 PM 12/15 7380
Red Canyon 50 mph 0620 PM 12/15 6768
Jeffrey City 49 mph 0412 PM 12/15 6374
DuBois Airport 45 mph 0235 PM 12/15 7297

... Johnson County...
7 SW Barnum 56 mph 0846 am 12/15 6440
12 N Kaycee 43 mph 0321 PM 12/15 5287

... Lincoln County...
Mt coffin 48 mph 0700 PM 12/15 10870

... Natrona County...
Casper outer drive 60 mph 0631 PM 12/15 5463
16 S Hiland 59 mph 0410 PM 12/15 6380
Casper Airport 51 mph 1059 am 12/15 5320
3 WSW Mills 47 mph 1254 PM 12/15 5197
20 N Casper 43 mph 1035 am 12/15 5677

... Park County...
8 S Clark 86 mph 0715 am 12/15 4710
5 WNW Clark 55 mph 0328 PM 12/15 4659
10 WNW Cody 51 mph 1140 PM 12/14 8401
2 WSW Cody 50 mph 0253 PM 12/15 5167
chief Joseph Hwy 50 mph 0710 PM 12/15 8136
20 SW Cody 48 mph 0433 am 12/15 5843
1 W Clark 46 mph 0448 PM 12/15 4270
3 E Pahaska 42 mph 1257 PM 12/15 7500
Cody Airport 40 mph 0818 PM 12/15 5100
Hoyt Peak 39 mph 0630 PM 12/15 9800

... Sweetwater County...
15 se Rock Springs 45 mph 0844 am 12/15 7550
Rock Springs Airport 39 mph 1226 PM 12/15 6760

Observations are collected from a variety of sources with varying
equipment and exposures. We thank all volunteer weather observers
for their dedication. Not all data listed are considered official.



911 PM MST Fri Dec 15 2017

... Preliminary storm information...

The following are peak wind gusts recorded over the last 24 hours.

***** Peak wind reports *****

Location speed time/date elevation (ft.)

... Wyoming...

... Fremont County...
7 SW Muddy Gap 73 mph 0350 PM 12/15 7380
Red Canyon 50 mph 0620 PM 12/15 6768
Jeffrey City 49 mph 0412 PM 12/15 6374
DuBois Airport 45 mph 0235 PM 12/15 7297

... Johnson County...
7 SW Barnum 56 mph 0846 am 12/15 6440
12 N Kaycee 43 mph 0321 PM 12/15 5287

... Lincoln County...
Mt coffin 48 mph 0700 PM 12/15 10870

... Natrona County...
Casper outer drive 60 mph 0631 PM 12/15 5463
16 S Hiland 59 mph 0410 PM 12/15 6380
Casper Airport 51 mph 1059 am 12/15 5320
3 WSW Mills 47 mph 1254 PM 12/15 5197
20 N Casper 43 mph 1035 am 12/15 5677

... Park County...
8 S Clark 86 mph 0715 am 12/15 4710
5 WNW Clark 55 mph 0328 PM 12/15 4659
10 WNW Cody 51 mph 1140 PM 12/14 8401
2 WSW Cody 50 mph 0253 PM 12/15 5167
chief Joseph Hwy 50 mph 0710 PM 12/15 8136
20 SW Cody 48 mph 0433 am 12/15 5843
1 W Clark 46 mph 0448 PM 12/15 4270
3 E Pahaska 42 mph 1257 PM 12/15 7500
Cody Airport 40 mph 0818 PM 12/15 5100
Hoyt Peak 39 mph 0630 PM 12/15 9800

... Sweetwater County...
15 se Rock Springs 45 mph 0844 am 12/15 7550
Rock Springs Airport 39 mph 1226 PM 12/15 6760

Observations are collected from a variety of sources with varying
equipment and exposures. We thank all volunteer weather observers
for their dedication. Not all data listed are considered official.


Weather Severe Map
Alaska - Wind Advisory , Winter Storm Warning , Winter Weather Advisory , Record Report
Arizona - Winter Weather Advisory
California - High Surf Advisory , Wind Advisory , Lake Wind Advisory , Fire Weather Warning , Fire Weather Watch , Special Statement , Air Quality Alert , Record Report
Colorado - Public Information Statement
Connecticut - Public Information Statement
Delaware - Public Information Statement
District of Columbia - Special Statement , Public Information Statement
Florida -
Hawaii - High Surf Advisory , Wind Advisory
Idaho - Winter Weather Advisory , Air Quality Alert , Record Report , Public Information Statement , Public Information Statement
Illinois -
Indiana -
Louisiana - Storm Surge Warning, Tropical Storm Warning
Maryland - Special Statement , Public Information Statement
Massachusetts - Public Information Statement
Michigan - Flood Warning , Flood Advisory , Winter Weather Advisory
Minnesota - Special Statement
Missouri -
Montana - Winter Weather Advisory
Nevada - Wind Advisory , Lake Wind Advisory , Special Statement , Record Report
New Jersey - Public Information Statement
New Mexico - Special Statement
New York - Lake Effect Snow Warning , Winter Weather Advisory
North Dakota - Dense Fog Advisory
Ohio - Winter Weather Advisory
Pennsylvania - Winter Weather Advisory , Lake Effect Snow Warning , Public Information Statement , Public Information Statement
Puerto Rico - Coastal Hazard Statement
Rhode Island - Public Information Statement
Texas - Tropical Storm Warning , Storm Surge Watch, Tropical Storm Warning
Virgin Islands - Coastal Hazard Statement
Virginia - Special Statement , Public Information Statement
Washington - Winter Weather Advisory , Public Information Statement
West Virginia - Public Information Statement
Wisconsin - Flood Warning , Special Statement
Wyoming - Winter Weather Advisory , Special Statement

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