Winter Weather Warnings / Watches / Advisories
Issued by NWS Cheyenne, WY

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WWUS45 KCYS 272011
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
211 PM MDT Thu Apr 27 2017

...A Potent Spring Storm will Bring Widespread Moderate to Heavy
Snow to Portions of Southeast Wyoming and the Northern Nebraska
Panhandle This Afternoon through Friday Evening...

WYZ112-114-281200-
/O.CON.KCYS.WS.W.0012.000000T0000Z-170429T0600Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
211 PM MDT Thu Apr 27 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
FRIDAY NIGHT...

* TIMING...Moderate snow will continue this afternoon, with a
  decrease in intensity early this evening. Moderate to heavy snow
  will return by midnight tonight and continue periodically through
  Friday evening.

* TOTAL SNOW ACCUMULATIONS...8 to 16 inches.

* WINDS/VISIBILITY...West winds 20 to 25 mph with gusts to 35 mph
  this afternoon. Winds diminish tonight and become north 10 to 20
  mph Friday. Visibilities will be reduced to one half mile or less
  at times in snow and blowing snow.

* IMPACTS...Travel will be extremely hazardous due to snow covered
  roads and low visibilities. Those planning outdoor recreation in
  the Snowy and Sierra Madre mountains should be prepared for heavy
  snow and low visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of snow
are forecast that will make travel dangerous. Only travel in an
emergency. If you must travel...keep an extra flashlight...food...and
water in your vehicle in case of an emergency.

&&

$$

WYZ103>105-281200-
/O.CON.KCYS.WS.W.0012.170428T0000Z-170429T0600Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-
Including the cities of Garrett, Seminoe Dam, Medicine Bow,
and Shirley Basin
211 PM MDT Thu Apr 27 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO MIDNIGHT MDT FRIDAY NIGHT...

* TIMING...Moderate to heavy snow will develop this evening and
  will continue at times through Friday evening.

* TOTAL SNOW ACCUMULATIONS...4 to 8 inches below 7500 feet in
  northern Carbon and Albany Counties and the northern Laramie
  Range, with 8 to 14 inches above 7500 feet.

* WINDS/VISIBILITY...West to northwest 15 to 25 mph, diminishing
  tonight and becoming north to northeast 15 to 25 mph with higher
  gusts Friday. Visibilities will be reduced to one half mile or
  less at times in snow and blowing snow.

* IMPACTS...Travel will be extremely hazardous due to snow covered
  roads and low visibilities. Heavy snow on fully leafed trees
  could cause tree damage, with the possibility of tree branches
  falling onto power lines and causing power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of snow
are forecast that will make travel dangerous. Only travel in an
emergency. If you must travel...keep an extra flashlight...food...and
water in your vehicle in case of an emergency.

&&

$$

NEZ095-WYZ101-102-281200-
/O.CON.KCYS.WS.W.0012.170428T0000Z-170429T0000Z/
North Sioux-Converse County Lower Elevations-Niobrara County-
Including the cities of Harrison, Bill, Douglas, Deer Creek,
Glenrock, Lusk, and Redbird
211 PM MDT Thu Apr 27 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM MDT FRIDAY...

* TIMING...Rain will change to snow early this evening, with
  moderate to heavy snow at times through Friday afternoon.

* TOTAL SNOW ACCUMULATIONS...4 to 10 inches, heaviest along
  ridges.

* WINDS/VISIBILITY..East to northeast winds 10 to 20 mph with
  higher gusts. Visibilities will be reduced to a half mile or
  less at times in snow and blowing snow.

* IMPACTS...Travel will be extremely hazardous due to snow covered
  roads and low visibilities. Heavy snow on fully leafed trees
  could cause tree damage, with the possibility of tree branches
  falling onto power lines and causing power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of snow
are forecast that will make travel dangerous. Only travel in an
emergency. If you must travel...keep an extra flashlight...food...and
water in your vehicle in case of an emergency.

&&

$$

WYZ106>108-113-115>117-281200-
/O.EXA.KCYS.WW.Y.0024.170428T0000Z-170429T0600Z/
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Upper North Platte River Basin-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Wheatland, Guernsey,
Torrington, Saratoga, Encampment, Bosler, Laramie, Buford,
Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek
211 PM MDT Thu Apr 27 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT MDT FRIDAY NIGHT...

The National Weather Service in Cheyenne has issued a Winter
Weather Advisory for snow and blowing snow, which is in effect
from 6 PM this evening to midnight MDT Friday night.

* TIMING...Rain will change to snow this evening, with periods of
  moderate snow at times through Friday evening.

* TOTAL SNOW ACCUMULATIONS...4 to 6 inches over the valleys and
  foothills, with 6 to 8 inches over the central and southern
  Laramie Range.

* WINDS/VISIBILITY...West to northwest winds 15 to 25 mph with
  gusts to 35 mph tonight, diminishing and becoming northeast 15
  to 25 mph Friday. Visibilities will be reduced to a half mile in
  snow and blowing snow.

* IMPACTS...Hazardous travel is likely due to snow covered roads
  and low visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow and blowing snow means that snow
and gusty winds will create restricted visibilities and drifting
snow along area roadways. Use caution when traveling...especially
in open areas.

&&

$$

NEZ002-003-096-281200-
/O.CON.KCYS.WW.Y.0024.170428T0000Z-170429T0000Z/
Dawes-Box Butte-South Sioux-
Including the cities of Chadron, Chadron St Park, Alliance,
and Agate
211 PM MDT Thu Apr 27 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM MDT FRIDAY...

* TIMING...Rain will change to snow this evening, with moderate
  snow at times through Friday afternoon.

* TOTAL SNOW ACCUMULATIONS...2 to 5 inches, heaviest along the
  Pine Ridge.

* WINDS/VISIBILITY...Northeast winds 10 to 15 mph tonight,
  increasing to 15 to 25 mph Friday. Visibilities will be reduced
  to less than one mile in snow.

* IMPACTS...Hazardous travel is expected due to snow covered roads
  and low visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means that periods of snow will
cause travel difficulties. Be prepared for snow covered roads and
limited visibilities...and use caution while driving.

&&

$$

WYZ109-110-281200-
/O.CON.KCYS.WW.Y.0024.170428T0000Z-170429T0600Z/
Central Carbon County-North Snowy Range Foothills-
Including the cities of Rawlins, Arlington, and Elk Mountain
211 PM MDT Thu Apr 27 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO MIDNIGHT MDT FRIDAY NIGHT...

* TIMING...Rain will change to snow this evening, with moderate
  snow at times through Friday evening.

* TOTAL SNOW ACCUMULATIONS...4 to 6 inches, with locally higher
  amounts possible.

* WINDS/VISIBILITY...West to northwest winds 15 to 25 mph with
  gusts to 35 mph tonight, diminishing and becoming northeast 15
  to 25 mph Friday. Visibilities will be reduced to a half mile in
  snow and blowing snow.

* IMPACTS...Hazardous travel is expected due to snow covered roads
  and low visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow and blowing snow means that snow
and gusty winds will create restricted visibilities and drifting
snow along area roadways. Use caution when traveling... especially
in open areas.

&&

$$



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