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

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WWUS45 KCYS 271025
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
425 AM MDT Thu Apr 27 2017

...Strong Spring Storm to Bring Widespread Moderate to Heavy Snow
Returns Portions of Southeast Wyoming and the Northern Nebraska
Panhandle Today through Friday...

WYZ112-114-272300-
/O.UPG.KCYS.WW.Y.0023.000000T0000Z-170428T0000Z/
/O.NEW.KCYS.WS.W.0012.170427T1025Z-170429T0600Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
425 AM MDT Thu Apr 27 2017

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

The National Weather Service in Cheyenne has upgraded the Winter
Weather Advisory to a Winter Storm Warning for Heavy Snow and
Blowing Snow, which is in effect until midnight MDT Friday night.

* TIMING...Moderate snow will continue through the afternoon, with
  a break in activity expected early this evening. Moderate to
  heavy snow will then return by midnight tonight and will
  continue periodically through Friday evening.

* TOTAL SNOW ACCUMULATIONS...9 to 16 inches, with locally higher
  amounts under any thunderstorms that develop this afternoon.

* WINDS/VISIBILITY...Southwest 10 to 20 mph this morning, becoming
  west 20 to 30 mph with gusts to 40 mph this afternoon.
  Visibility may be reduced to one half mile or less at times in
  snow and blowing snow.

* IMPACTS...Hazardous travel likely due to snow covered roads and
  low visibility. Those planning outdoor recreation in the
  mountains should be prepared for heavy snow conditions and low
  visibility at times.

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>105-272300-
/O.NEW.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
425 AM MDT Thu Apr 27 2017

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

The National Weather Service in Cheyenne has issued a Winter
Storm Warning for Heavy Snow, which is 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 in the North Laramie
  Range, with 8 to 14 inches above 7500 feet.

* WINDS/VISIBILITY...North to northwest 5 to 15 mph today,
  becoming north to northeast 15 to 20 mph with higher gusts on
  Friday afternoon. Visibility will be reduced to one half mile at
  times.

* IMPACTS...Travel could become dangerous due to snow covered
  roads and low visibility. 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-WYZ101-102-272300-
/O.NEW.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
425 AM MDT Thu Apr 27 2017

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

The National Weather Service in Cheyenne has issued a Winter
Storm Warning for Heavy Snow, which is 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 expected at times through Friday
  afternoon.

* TOTAL SNOW ACCUMULATIONS...5 to 8 inches.

* WINDS/VISIBILITY...Northeast winds 10 to 20 mph. Visibility will
  be reduced to one half mile at times in snow.

* IMPACTS...Travel could become dangerous due to snow covered
  roads and low visibility. 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.

&&

$$

NEZ002-003-096-272300-
/O.NEW.KCYS.WW.Y.0024.170428T0000Z-170429T0000Z/
Dawes-Box Butte-South Sioux-
Including the cities of Chadron, Chadron St Park, Alliance,
and Agate
425 AM MDT Thu Apr 27 2017

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

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

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

* TOTAL SNOW ACCUMULATIONS...4 to 6 inches.

* WINDS/VISIBILITY...Northeast winds 10 to 20 mph. Visibility will
  be reduced to less than one mile in snow.

* IMPACTS...Hazardous travel is possible due to snow covered roads
  and low visibility. 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 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.

&&

$$

WYZ109-110-272300-
/O.NEW.KCYS.WW.Y.0024.170428T0000Z-170429T0600Z/
Central Carbon County-North Snowy Range Foothills-
Including the cities of Rawlins, Arlington, and Elk Mountain
425 AM 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 moderate
  snow expected at times through Friday evening.

* TOTAL SNOW ACCUMULATIONS...4 to 6 inches.

* WINDS/VISIBILITY...West to northwest winds 15 to 25 mph with
  gusts to 35 mph tonight, diminishing and becoming northeast on
  Friday. Visibility will be reduced to less than one mile in
  snow and blowing snow.

* IMPACTS...Hazardous travel is likely due to snow covered roads
  and low visibility. This includes the Interstate 80 corridor
  from Rawlins to Laramie. 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 Weather Advisory for snow and blowing snow means that
snow and strong winds will create restricted visibilities and
drifting snow along area roadways. Use caution when traveling...
especially in open areas.

&&

$$



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