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

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432
WWUS45 KCYS 190354
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
954 PM MDT Thu May 18 2017

...POWERFUL STORM SYSTEM TO BRING HEAVY WET SNOW THROUGH MIDDAY
FRIDAY...

WYZ103-112-114-116-117-191200-
/O.CON.KCYS.WS.W.0013.000000T0000Z-170519T2100Z/
North Laramie Range-Sierra Madre Range-Snowy Range-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Garrett, Centennial, Albany, Buford,
Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek
954 PM MDT Thu May 18 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT FRIDAY...

* TIMING...Through 3 PM Friday.

* TOTAL SNOW ACCUMULATIONS...1 to 3 feet.

* SNOW TOTALS AS OF NOON...6 to 12 inches. Greatest amounts were
  observed at the highest elevations.

* WINDS/VISIBILITY...North to northeast winds between 20 to 30
  mph with occasional higher gusts. Visibilities below one half
  mile at times.

* IMPACTS...Snow packed roadways will create hazardous travel
  conditions. Travel will be impossible at times. Trees with
  leaves could sustain broken limbs. Power lines may come down
  due to trees falling on lines. Isolated power outages
  expected.

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.

&&

$$

WYZ105>107-110-115-118-191200-
/O.CON.KCYS.WS.W.0013.000000T0000Z-170519T2100Z/
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-North Snowy Range Foothills-Laramie Valley-
Central Laramie County-
Including the cities of Medicine Bow, Shirley Basin, Bordeaux,
Wheatland, Guernsey, Arlington, Elk Mountain, Bosler, Laramie,
and Cheyenne
954 PM MDT Thu May 18 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT FRIDAY...

* TIMING...Through 3 PM Friday.

* TOTAL SNOW ACCUMULATIONS...10 to 18 inches with locally higher
  amounts possible

* WINDS/VISIBILITY...North to northeast winds 15 to 25 mph with
  higher gusts. Visibilities under one half mile at times.

* IMPACTS...Snow packed roadways will create hazardous travel
  conditions. Travel will be impossible at times. Trees with
  leaves could sustain broken limbs. Power lines may come down
  due to trees falling on lines. Isolated power outages
  expected.

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-WYZ102-191200-
/O.CON.KCYS.WS.W.0013.000000T0000Z-170519T2100Z/
North Sioux-Niobrara County-
Including the cities of Harrison, Lusk, and Redbird
954 PM MDT Thu May 18 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM MDT FRIDAY...

* TIMING...3 PM this afternoon to 3 PM Friday.

* TOTAL SNOW ACCUMULATIONS...6 to 12 inches for areas in the
  Pine Ridge above 4800 feet.

* WINDS/VISIBILITY...North to northeast winds between 20 to 30
  mph with occasional higher gusts. Visibilities below one half
  mile at times.

* IMPACTS...Snow packed roadways will create hazardous travel
  conditions. Dangerous travel conditions likely above 4800 feet
  in the Pine Ridge. Trees with leaves could sustain broken
  limbs. Power lines may come down due to trees falling on
  lines. Isolated power outages possible.

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.

&&

$$

WYZ101-104-109-111-113-191200-
/O.CON.KCYS.WW.Y.0025.000000T0000Z-170519T2100Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-
Including the cities of Bill, Douglas, Deer Creek, Glenrock,
Seminoe Dam, Rawlins, Baggs, Saratoga, and Encampment
954 PM MDT Thu May 18 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT
FRIDAY...

* TIMING...Through 3 PM Friday.

* TOTAL SNOW ACCUMULATIONS...3 to 6 inches with locally higher
  amounts. Some improvement is expected by midday Friday.

* WINDS/VISIBILITY...North to northeast winds between 15 to 25
  mph with occasional higher gusts. Visibilities around one half
  mile at times.

* IMPACTS...Slushy roads may create hazardous driving
  conditions. Periods of snow-packed and slick roads are
  possible in the heavier snow bands.

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.

&&

$$

WYZ108-119-191200-
/O.CON.KCYS.WW.Y.0025.000000T0000Z-170519T2100Z/
Goshen County-East Laramie County-
Including the cities of Torrington and Pine Bluffs
954 PM MDT Thu May 18 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT
FRIDAY...

* TIMING...Through 3 PM Friday.

* TOTAL SNOW ACCUMULATIONS...2 to 6 inches. Highest amounts
  between Carpenter, Burns, and Gun Barrel. Wide variance in
  Goshen County, ranging from 1 inch between Fort Laramie and
  Torrington to 4 to 8 inches across the southwest part of the
  county.

* WINDS/VISIBILITY...North to northeast winds between 15 to 25
  mph with occasional higher gusts. Visibilities around one half
  mile at times.

* IMPACTS...Slushy roads may create hazardous driving conditions.
  Periods of snow-packed and slick roads are possible in the
  heavier snow bands. The heavy wet snow may also cause trees to
  fall on the power lines.

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.

&&

$$



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