Alert archive / Wyoming / Blizzard Warnings in 2017

Blizzard Warning 3, NWS Cheyenne, WY

December 22, 2017Albany County, Carbon County, Wyoming

NWS Cheyenne, WY issued this blizzard warning at Dec 22, 2017, 2:14 PM MST for Albany County, Carbon County, Wyoming. It took effect at Dec 22, 2017, 11:00 PM MST. It was in force for 20 hr. 43 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 22, 2017, 2:14 PM MST (21:14 UTC)
In effect from
Dec 22, 2017, 11:00 PM MST
Expired
Dec 23, 2017, 7:27 PM MST
In force
20 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 21:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 23, 3:20 AM MSTBLIZZARDArlington, WYARLINGTON WEST WYDOT SITE ON I-80. VISIBILITY UNDER 1/4 MILE IN SNOW WITH WIND GUSTS 41 TO 52 MPH TIL 555AM.
Dec 23, 7:00 AM MSTSNOW 1.52 S Elk Mountain, WY
Dec 23, 7:00 AM MSTSNOW 4.91 Nne Centennial, WYCOCORAHS OBSERVATION. 0.31 INCHES MELTED.
Dec 23, 8:00 AM MSTBLIZZARDArlington, WYARLINGTON WEST WYDOT SITE ON I-80. VISIBILITY UNDER 1/4 MILE IN SNOW WITH WIND GUSTS 39-42MPH TIL 910AM.
Dec 23, 10:00 AM MSTSNOW 4.517 Ene Riverside, WYSOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS .3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTSNOW 4.535 S Rawlins, WYSAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS .3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTSNOW 7.517 Sw Encampment, WYSANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS .5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTSNOW 919 Wsw Encampment, WYDIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS .6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 1210 Sw Encampment, WYLITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS .8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 12.65 Sw Encampment, WYWEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS .7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 18 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 13.528 E Savery, WYWHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS .9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 1412 Wnw Centennial, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS .7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 1430 Wnw Laramie, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS .7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 1810 Wsw Encampment, WYOLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS .9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 2011 Sse Encampment, WYBLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 2221 Sse Elk Mountain, WYMEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 226 Sw Centennial, WYCINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:00 AM MSTHEAVY SNOW 257 Nw Centennial, WYBROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 25 TO 1. ACCUMULATION WAS OVER PAST 14 HOURS.
Dec 23, 10:55 AM MSTBLIZZARDElk Mountain, WYVISIBILITY 1/4 MILE OR LESS IN SNOW WITH WIND GUSTS 35 TO 38 MPH THROUGH 1155AM.
Dec 23, 1:35 PM MSTBLIZZARDArlington, WYARLINGTON WYDOT SITE. VISIBILITY UNDER 1/4 MILE WITH WIND GUSTS TO 42 MPH.
Dec 23, 1:45 PM MSTBLIZZARD5 Nw Arlington, WYWAGONHOUND WYDOT SITE. VISIBILITY UNDER 1/4 MILE WITH SNOW AND WIND GUSTS TO 46 MPH.
Dec 23, 1:50 PM MSTBLIZZARD3 Nw Arlington, WYFOOTE CREEK WYDOT SITE. VISIBILITY 1/4 MILE WITH WIND GUSTS TO 40 MPH.
Dec 23, 1:56 PM MSTSNOW 0Buford, WYINTERSTATE 80 EASTBOUND CLOSED OVER THE SUMMIT DUE TO ACCIDENTS. ESTIMATED OPENING TIME 4-6 HOURS.
Dec 23, 3:24 PM MSTHEAVY SNOW 932 W Wheatland, WYTHIS CAME ON FACEBOOK.
Dec 23, 3:55 PM MSTBLIZZARDElk Mountain, WYVISIBILITY 1/4 MILE OR LESS IN SNOW WITH WIND GUSTS 36 TO 45 MPH SINCE 135 PM.
Dec 23, 4:00 PM MSTSNOW 617 Ene Riverside, WYSOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTSNOW 10.535 S Rawlins, WYSAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 1217 Sw Encampment, WYSANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 13.519 Wsw Encampment, WYDIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 19.528 E Savery, WYWHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 19.85 Sw Encampment, WYWEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 18 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 2212 Wnw Centennial, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 2630 Wnw Laramie, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 2810 Wsw Encampment, WYOLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 286 Sw Centennial, WYCINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 3011 Sse Encampment, WYBLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 3610 Sw Encampment, WYLITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 2.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 4221 Sse Elk Mountain, WYMEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 2.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTHEAVY SNOW 42.57 Nw Centennial, WYBROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 1.7 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 25 TO 1. ACCUMULATION WAS OVER PAST 20 HOURS.
Dec 23, 4:00 PM MSTBLIZZARD7 Ese Arlington, WYCOOPER COVE WYDOT SITE. VISIBILITY 1/4 MILE OR LESS SINCE 255PM WITH GUSTS 39 TO 44 MPH.
Dec 23, 4:30 PM MSTBLIZZARD3 Nw Arlington, WYGUSTS 33 TO 46 MPH.
Dec 23, 4:30 PM MSTBLIZZARDArlington, WYARLINGTON WEST WYDOT SITE. VISIBILITY BELOW A TENTH OF A MILE SINCE 330PM. WIND GUSTS 40 TO 45 MPH.
Dec 23, 4:40 PM MSTBLIZZARD11 Se Arlington, WYSTROUSS HILL WYDOT SITE. VISIBILITY UNDER 1/4 MILE WITH GUSTS TO 34 MPH SINCE 405PM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 9.2 hours before the alert went out and 230 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2017-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2017-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1490 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

436 
WWUS45 KCYS 222114
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
214 PM MST Fri Dec 22 2017

...WINTER STORM TO SIGNIFICANTLY IMPACT CHRISTMAS WEEKEND TRAVEL 
ACROSS SOUTHEAST WYOMING...

WYZ110-231200-
/O.UPG.KCYS.WS.A.0020.171223T0600Z-171224T0000Z/
/O.NEW.KCYS.BZ.W.0001.171223T0600Z-171224T0700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
214 PM MST Fri Dec 22 2017

...BLIZZARD WARNING IN EFFECT FROM 11 PM THIS EVENING TO MIDNIGHT
MST SATURDAY NIGHT...

* WHAT...Blizzard conditions expected. Travel will be very
  dangerous to impossible. Total snow accumulations of 4 to 8
  inches are expected, with locally higher amounts possible. 

* WHERE...Interstate 80 between Laramie and Rawlins, mainly around
  Elk Mountain and Arlington. 

* WHEN...11 PM tonight until midnight Saturday night.

* ADDITIONAL DETAILS...Winds gusting as high as 55 mph will cause
  whiteout conditions in blowing snow. Significant drifting of 
  the snow is likely. Cold wind chills as low as 15 below zero 
  will cause frostbite in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

$$

WYZ106-107-231200-
/O.UPG.KCYS.WS.A.0020.171223T0900Z-171224T0000Z/
/O.EXB.KCYS.WS.W.0019.171223T1500Z-171224T0300Z/
Central Laramie Range and Southwest Platte County-
East Platte County-
Including the cities of Bordeaux, Wheatland, and Guernsey
214 PM MST Fri Dec 22 2017

...WINTER STORM WARNING IN EFFECT FROM 8 AM TO 8 PM MST
SATURDAY...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 5 to 10 inches are expected. 

* WHERE...Central and southern Platte County, including Wheatland
  and Chugwater.

* WHEN...8 AM to 8 PM Saturday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ116-117-231200-
/O.UPG.KCYS.WS.A.0020.171223T0900Z-171224T0000Z/
/O.EXB.KCYS.WS.W.0019.171223T1500Z-171224T0300Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
214 PM MST Fri Dec 22 2017

...WINTER STORM WARNING IN EFFECT FROM 8 AM TO 8 PM MST
SATURDAY...

* WHAT...Heavy snow expected along with areas of blowing and
  drifting snow. Plan on dangerous or impossible travel 
  conditions. Total snow accumulations of 3 to 6 inches are 
  expected, with locally higher amounts possible. 

* WHERE...Interstate 80 between Laramie and Cheyenne, and
  Interstate 25 north of Cheyenne. This does not include the
  cities of Laramie and Cheyenne. 

* WHEN...8 AM to 8 PM Saturday.

* ADDITIONAL DETAILS...Winds gusting as high as 45 mph will cause
  areas of blowing and drifting snow. Visibilities will be reduced
  to less than one half mile at times, with near blizzard
  conditions possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ112-114-231200-
/O.EXT.KCYS.WS.W.0019.171223T0300Z-171224T0700Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
214 PM MST Fri Dec 22 2017

...WINTER STORM WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO
MIDNIGHT MST SATURDAY NIGHT...

* WHAT...Heavy snow and blowing snow expected. Plan on dangerous
  or impossible travel conditions in the mountains. Total snow
  accumulations of 12 to 18 inches, with localized amounts up to
  20 inches, are expected. 

* WHERE...Snowy and Sierra Madre Mountain Ranges.

* WHEN...8 PM today to midnight Saturday night.

* ADDITIONAL DETAILS...Winds gusting as high as 55 mph will cause
  areas of blowing and drifting snow and near whiteout conditions.
  Cold wind chills as low as 20 below zero will cause frostbite 
  in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. If you must travel, keep
an extra flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ108-118-119-231200-
/O.UPG.KCYS.WS.A.0020.171223T0900Z-171224T0000Z/
/O.NEW.KCYS.WW.Y.0036.171223T1500Z-171224T0300Z/
Goshen County-Central Laramie County-East Laramie County-
Including the cities of Torrington, Cheyenne, and Pine Bluffs
214 PM MST Fri Dec 22 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM TO 8 PM MST
SATURDAY...

* WHAT...Snow expected. Plan on slippery road conditions. Total
  snow accumulations of 2 to 5 inches are expected, with locally
  higher amounts up to 7 inches possible. 

* WHERE...Central and eastern Laramie County including Cheyenne
  and Pine Bluffs, and Goshen County including Torrington.

* WHEN...8 AM to 8 PM Saturday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  time in falling and blowing snow. Cold wind chills as low as 15
  below zero will cause frostbite in as little as 30 minutes to 
  exposed skin.

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.

$$

NEZ002-003-095-096-WYZ101-102-231200-
/O.NEW.KCYS.WW.Y.0036.171223T0300Z-171224T0000Z/
Dawes-Box Butte-North Sioux-South Sioux-
Converse County Lower Elevations-Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Harrison, Agate, Bill, Douglas, Deer Creek, Glenrock, Lusk, 
and Redbird
214 PM MST Fri Dec 22 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO
5 PM MST SATURDAY...

* WHAT...Snow expected. Plan on slippery road conditions. Total
  snow accumulations of 2 to 5 inches are expected.

* WHERE...East central Wyoming and the northern Nebraska Panhandle
  including Douglas, Lusk, Harrison, Chadron, and Alliance. 

* WHEN...8 PM today to 5 PM Saturday.

* 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.

$$

WYZ103>105-109-111-113-115-231200-
/O.NEW.KCYS.WW.Y.0036.171223T0900Z-171224T0300Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
Including the cities of Garrett, Seminoe Dam, Medicine Bow, 
Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Bosler, 
and Laramie
214 PM MST Fri Dec 22 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 8 PM MST
SATURDAY...

* WHAT...Snow expected. Plan on slippery road conditions. In
  addition, some reductions to visibility are expected in falling
  and blowing snow Total snow accumulations of 2 to 6 inches are
  expected. 

* WHERE...North Laramie Range and lower elevations west of the
  Laramie Range including Laramie, Shirley Basin, Rawlins, and
  Saratoga. 

* WHEN...2 AM to 8 PM Saturday.

* ADDITIONAL DETAILS...Winds gusting as high as 45 mph will cause
  areas of blowing and drifting snow. Cold wind chills as low as 
  15 below zero will cause frostbite in as little as 30 minutes to
  exposed skin.

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.

$$

NEZ019>021-054-055-231200-
/O.NEW.KCYS.WW.Y.0036.171223T1500Z-171224T0300Z/
Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Brownson, and Sidney
214 PM MST Fri Dec 22 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM TO 8 PM MST
SATURDAY...

* WHAT...Snow expected. Plan on slippery road conditions. Total
  snow accumulations of 2 to 5 inches are expected.

* WHERE...southern Nebraska Panhandle including Scottsbluff,
  Kimball and Sidney. 

* WHEN...8 AM to 8 PM Saturday.

* 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.

$$

HAMMER
6 follow-up statements
258 
WWUS45 KCYS 230956
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
256 AM MST Sat Dec 23 2017

...WINTER STORM TO SIGNIFICANTLY IMPACT CHRISTMAS WEEKEND TRAVEL
ACROSS SOUTHEAST WYOMING...

WYZ110-232300-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-171224T0700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
256 AM MST Sat Dec 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Blizzard conditions occurring. Travel will be very 
  dangerous to impossible. Damage to trees and power lines is 
  possible. Additional snow accumulations of 5 to 7 inches are 
  expected.

* WHERE...Interstate 80 between Laramie and Rawlins, mainly 
  around Elk Mountain and Arlington.

* WHEN...Until midnight tonight.

* ADDITIONAL DETAILS...Winds gusting as high as 55 mph will 
  cause whiteout conditions in blowing snow. Significant 
  drifting of the snow is likely. Cold wind chills as low as 20 
  below zero will cause frostbite in as little as 30 minutes to 
  exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

$$

WYZ112-114-232300-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0700Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
256 AM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow and blowing snow occurring. Plan on 
  difficult travel conditions. Damage to trees and power lines 
  is possible. Additional snow accumulations of 7 to 10 inches, 
  with localized amounts up to 16 inches, are expected.

* WHERE...Snowy and Sierra Madre Mountain Ranges.

* WHEN...Until midnight tonight.

* ADDITIONAL DETAILS...Winds gusting as high as 60 mph will 
  cause widespread blowing and drifting snow. Cold wind chills 
  as low as 20 below zero will cause frostbite in as little as 
  30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are occurring. If you must travel, keep
an extra flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ106-107-232300-
/O.CON.KCYS.WS.W.0019.171223T1500Z-171224T0300Z/
Central Laramie Range and Southwest Platte County-
East Platte County-
Including the cities of Bordeaux, Wheatland, and Guernsey
256 AM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 8 PM MST THIS EVENING...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions. Total snow accumulations of 4 to 6 inches are 
  expected.

* WHERE...Central and southern Platte County, including 
  Wheatland and Chugwater.

* WHEN...8 AM to 8 PM today.

* ADDITIONAL DETAILS...Winds gusting as high as 30 mph will 
  cause patchy blowing and drifting snow. Cold wind chills as 
  low as 15 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ116-117-232300-
/O.CON.KCYS.WS.W.0019.171223T1500Z-171224T0300Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
256 AM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 8 PM MST THIS EVENING...

* WHAT...Heavy snow and blowing snow expected. Plan on difficult 
  travel conditions. Total snow accumulations of 3 to 5 inches 
  are expected.

* WHERE...Interstate 80 between Laramie and Cheyenne, and 
  Interstate 25 north of Cheyenne. This does not include the 
  cities of Laramie and Cheyenne.

* WHEN...8 AM to 8 PM today.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause areas of blowing and drifting snow. Cold wind chills as 
  low as 15 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. If you must travel, keep
an extra flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ103>105-109-111-113-115-232300-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0300Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
Including the cities of Garrett, Seminoe Dam, Medicine Bow, 
Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Bosler, 
and Laramie
256 AM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow and blowing snow occurring. Plan on slippery road 
  conditions. In addition, areas of poor visibility are 
  expected. Tree branches could fall as well. Additional snow 
  accumulations of 3 to 5 inches, with localized amounts up to 
  11 inches, are expected.

* WHERE...North Laramie Range and lower elevations west of the 
  Laramie Range including Laramie, Shirley Basin, Rawlins, and 
  Saratoga.

* WHEN...Until 8 PM today.

* ADDITIONAL DETAILS...Winds gusting as high as 50 mph will 
  cause areas of blowing and drifting snow. Cold wind chills as 
  low as 15 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow and blowing snow means periods
of snow and blowing 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.

$$

NEZ002-003-095-096-WYZ101-102-232300-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0000Z/
Dawes-Box Butte-North Sioux-South Sioux-
Converse County Lower Elevations-Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Harrison, Agate, Bill, Douglas, Deer Creek, Glenrock, Lusk, 
and Redbird
256 AM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of 1 to 3 inches are expected.

* WHERE...East central Wyoming and the northern Nebraska 
  Panhandle including Douglas, Lusk, Harrison, Chadron, and 
  Alliance.

* WHEN...Until 5 PM today.

* 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.

$$

NEZ019>021-054-055-WYZ108-118-119-232300-
/O.CON.KCYS.WW.Y.0036.171223T1500Z-171224T0300Z/
Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-Goshen County-
Central Laramie County-East Laramie County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Brownson, Sidney, 
Torrington, Cheyenne, and Pine Bluffs
256 AM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS
MORNING TO 8 PM MST THIS EVENING...

* WHAT...Snow expected. Plan on slippery road conditions. Total 
  snow accumulations of 3 to 5 inches are expected.

* WHERE...Southern Nebraska Panhandle including Scottsbluff,
  Kimball and Sidney. Southeast Wyoming including Cheyenne, Pine
  Bluffs and Torrington.

* WHEN...8 AM to 8 PM today.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

Rubin
747 
WWUS45 KCYS 232140
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
240 PM MST Sat Dec 23 2017

...WINTER WEATHER CONTINUING INTO THIS EVENING...

WYZ110-240700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-171224T0700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
240 PM MST Sat Dec 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Blizzard conditions occurring. Travel will be very
  dangerous to impossible. Damage to trees and power lines is
  possible. Additional snow accumulations of 3 to 5 inches are 
  expected. 

* WHERE...Interstate 80 between Laramie and Rawlins, mainly 
  around Elk Mountain and Arlington. 

* WHEN...Until midnight tonight.

* ADDITIONAL DETAILS...Winds gusting over 40 mph will cause
  whiteout conditions in blowing snow. Significant drifting of the
  snow is likely. Cold wind chills as low as 20 below zero will
  cause frostbite in as little as 30 minutes to exposed skin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

$$

WYZ112-114-240700-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0700Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
240 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow and blowing snow occurring. Plan on difficult
  travel conditions. Damage to trees and power lines is possible.
  Additional snow accumulations of 4 to 8 inches, with localized
  amounts up to 12 inches, are expected. 

* WHERE...Snowy and Sierra Madre Mountain Ranges.

* WHEN...Until midnight tonight.

* ADDITIONAL DETAILS...Winds gusting as high as 50 mph will cause
  widespread blowing and drifting snow. Cold wind chills as low 
  as 20 below zero will cause frostbite in as little as 30 minutes
  to exposed skin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are occurring. If you must travel, keep
an extra flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ106-107-240300-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0300Z/
Central Laramie Range and Southwest Platte County-
East Platte County-
Including the cities of Bordeaux, Wheatland, and Guernsey
240 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow, locally heavy at times, is expected. Plan on
  difficult travel conditions. Total snow accumulations of 4 to 7
  inches are expected. 

* WHERE...Central and southern Platte County, including 
  Wheatland and Chugwater. 

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Winds gusting as high as 30 mph will 
  cause patchy blowing and drifting snow. Cold wind chills as 
  low as 15 below zero will cause frostbite in as little as 30 
  minutes to exposed skin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ116-117-240300-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0300Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
240 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow, possibly heavy at times, expected. Plan on
  difficult travel conditions. Total snow accumulations of 3 to 6 
  inches are expected. 

* WHERE...Interstate 80 between Laramie and Cheyenne, and 
  Interstate 25 north of Cheyenne. This does not include the 
  cities of Laramie and Cheyenne. 

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Cold wind chills as low as 15 below zero 
  will cause frostbite in as little as 30 minutes to exposed skin.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. If you must travel, keep
an extra flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ103>105-109-111-113-115-240300-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0300Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
Including the cities of Garrett, Seminoe Dam, Medicine Bow, 
Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Bosler, 
and Laramie
240 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow and blowing snow occurring. Plan on slippery road
  conditions. In addition, areas of poor visibility are expected.
  Additional snow accumulations of 2 to 4 inches are expected.
 
* WHERE...North Laramie Range and lower elevations west of the 
  Laramie Range including Laramie, Shirley Basin, Rawlins, and 
  Saratoga. 

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will cause
  areas of blowing and drifting snow. Cold wind chills as low as 
  15 below zero will cause frostbite in as little as 30 minutes to
  exposed skin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow and blowing snow means periods
of snow and blowing 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.

$$

NEZ002-003-095-096-WYZ101-102-240000-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0000Z/
Dawes-Box Butte-North Sioux-South Sioux-
Converse County Lower Elevations-Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Harrison, Agate, Bill, Douglas, Deer Creek, Glenrock, Lusk, 
and Redbird
240 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow occurring. Plan on slippery road conditions.
  Additional snow accumulations of 1 to 2 inches are expected. 

* WHERE...East central Wyoming and the northern Nebraska 
  Panhandle including Douglas, Lusk, Harrison, Chadron, and 
  Alliance. 

* WHEN...Until 5 PM today.

* 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.

$$

NEZ019>021-054-055-WYZ108-118-119-240300-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0300Z/
Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-Goshen County-
Central Laramie County-East Laramie County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Brownson, Sidney, 
Torrington, Cheyenne, and Pine Bluffs
240 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow expected. Plan on slippery road conditions. Total
  snow accumulations of 2 to 6 inches are expected. 

* WHERE...Southern Nebraska Panhandle including Scottsbluff, 
  Kimball and Sidney. Southeast Wyoming including Cheyenne, Pine 
  Bluffs and Torrington. 

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin. 

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.

$$
149 
WWUS45 KCYS 232239
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
339 PM MST Sat Dec 23 2017

...WINTER WEATHER CONTINUING INTO THIS EVENING...

NEZ096-240600-
/O.UPG.KCYS.WW.Y.0036.000000T0000Z-171224T0000Z/
/O.EXB.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
South Sioux-
Including the city of Agate
339 PM MST Sat Dec 23 2017

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 2 to 4 inches are
  expected, with storm total accumulations of 5 to 10 inches. 

* WHERE...Southern Sioux County in the Nebraska Panhandle. 

* WHEN...Until 11 PM this evening. 

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Cold wind chills as low as 15 below zero 
  will cause frostbite in as little as 30 minutes to exposed 
  skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

NEZ019>021-WYZ108-240600-
/O.UPG.KCYS.WW.Y.0036.000000T0000Z-171224T0300Z/
/O.EXB.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
Scotts Bluff-Banner-Morrill-Goshen County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, and Torrington
339 PM MST Sat Dec 23 2017

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 2 to 4 inches are
  expected, with storm total accumulations of 5 to 10 inches. 

* WHERE...Central Nebraska Panhandle, including Scottsbluff,
  Banner, and Morrill counties. 

* WHEN...Until 11 PM this evening. 

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ106-107-240600-
/O.EXT.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
Central Laramie Range and Southwest Platte County-
East Platte County-
Including the cities of Bordeaux, Wheatland, and Guernsey
339 PM MST Sat Dec 23 2017

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 3 to 5 inches are 
  expected, with storm total accumulations of 6 to 12 inches in 
  southern Platte county. 

* WHERE...Central and southern Platte County, including 
  Wheatland and Chugwater.

* WHEN...Until 11 PM this evening. 

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ110-240600-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-171224T0700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
339 PM MST Sat Dec 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Blizzard conditions occurring. Travel will be very 
  dangerous to impossible. Additional snow accumulations of 2 to 
  4 inches are expected.

* WHERE...Interstate 80 between Laramie and Rawlins, mainly 
  around Elk Mountain and Arlington.

* WHEN...Until midnight.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will cause
  whiteout conditions in blowing snow. Significant drifting of 
  the snow is likely. Cold wind chills as low as 20 below zero 
  will cause frostbite in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

$$

WYZ112-114-240600-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0700Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
339 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow and blowing snow occurring. Plan on 
  difficult travel conditions. Additional snow accumulations of 
  3 to 5 inches are expected.

* WHERE...Snowy and Sierra Madre Mountain Ranges.

* WHEN...Until midnight.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause areas of blowing and drifting snow. Cold wind chills as 
  low as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are occurring. If you must travel, keep
an extra flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ116-117-240300-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0300Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
339 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 2 to 4 inches are 
  expected.

* WHERE...Interstate 80 between Laramie and Cheyenne, and 
  Interstate 25 north of Cheyenne. This does not include the 
  cities of Laramie and Cheyenne.

* WHEN...Until 8 PM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Cold wind chills as low as 15 below zero 
  will cause frostbite in as little as 30 minutes to exposed 
  skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

NEZ054-055-WYZ118-119-240600-
/O.EXT.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
Kimball-Cheyenne-Central Laramie County-East Laramie County-
Including the cities of Kimball, Brownson, Sidney, Cheyenne, 
and Pine Bluffs
339 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of 2 to 4 inches are expected.

* WHERE...Southern Nebraska Panhandle including Kimball and
  Sidney, Southeast Wyoming including Cheyenne and Pine Bluffs. 

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

WYZ103>105-109-111-113-115-240300-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0300Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
Including the cities of Garrett, Seminoe Dam, Medicine Bow, 
Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Bosler, 
and Laramie
339 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow and blowing snow occurring. Plan on slippery road
  conditions. In addition, areas of poor visibility are expected.
  Additional snow accumulations of 1 to 3 inches are expected.

* WHERE...North Laramie Range and lower elevations west of the 
  Laramie Range including Laramie, Shirley Basin, Rawlins, and 
  Saratoga.

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow. Cold wind chills as 
  low as 15 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow and blowing snow means periods
of snow and blowing 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.

$$

NEZ002-003-095-WYZ101-102-240000-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0000Z/
Dawes-Box Butte-North Sioux-Converse County Lower Elevations-
Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Harrison, Bill, Douglas, Deer Creek, Glenrock, Lusk, and Redbird
339 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of up to two inches are expected.

* WHERE...East central Wyoming and the northern Nebraska 
  Panhandle including Douglas, Lusk, Harrison, Chadron, and 
  Alliance.

* WHEN...Until 5 PM today.

* 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.

$$

HAMMER
372 
WWUS45 KCYS 240013
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
513 PM MST Sat Dec 23 2017

...WINTER WEATHER CONTINUING INTO THIS EVENING...

NEZ002-003-095-WYZ101-102-240115-
/O.EXP.KCYS.WW.Y.0036.000000T0000Z-171224T0000Z/
Dawes-Box Butte-North Sioux-Converse County Lower Elevations-
Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Harrison, Bill, Douglas, Deer Creek, Glenrock, Lusk, and Redbird
513 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY HAS EXPIRED...

Light snow will continue over east central Wyoming and the
northern Nebraska Panhandle for a few more hours. Additional
accumulations will generally be under one inch. Roadways will
remain slick through the evening. 

$$

WYZ110-240700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-171224T0700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
513 PM MST Sat Dec 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Blizzard conditions occurring. Travel will be very 
  dangerous to impossible. Additional snow accumulations of 2 to 
  4 inches are expected.

* WHERE...Interstate 80 between Laramie and Rawlins, mainly 
  around Elk Mountain and Arlington.

* WHEN...Until midnight.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will cause
  whiteout conditions in blowing snow. Significant drifting of 
  the snow is likely. Cold wind chills as low as 20 below zero 
  will cause frostbite in as little as 30 minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

$$

WYZ112-114-240700-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0700Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
513 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow and blowing snow occurring. Plan on 
  difficult travel conditions. Additional snow accumulations of 
  3 to 5 inches are expected.

* WHERE...Snowy and Sierra Madre Mountain Ranges.

* WHEN...Until midnight.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause areas of blowing and drifting snow. Cold wind chills as 
  low as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

NEZ019>021-096-WYZ106>108-240600-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
Scotts Bluff-Banner-Morrill-South Sioux-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Agate, Bordeaux, Wheatland, 
Guernsey, and Torrington
513 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 1 to 3 inches are
  expected, with storm total accumulations of 6 to 12 inches. 

* WHERE...Southern Platte, Goshen, Scottsbluff, Southern Sioux,
  Banner, and Morill counties. 

* WHEN...Until 11 PM this evening. 

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ116-117-240300-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0300Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
513 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 2 to 4 inches are 
  expected.

* WHERE...Interstate 80 between Laramie and Cheyenne, and 
  Interstate 25 north of Cheyenne. This does not include the 
  cities of Laramie and Cheyenne.

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Cold wind chills as low as 15 below zero 
  will cause frostbite in as little as 30 minutes to exposed 
  skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ103>105-109-111-113-115-240300-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0300Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
Including the cities of Garrett, Seminoe Dam, Medicine Bow, 
Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Bosler, 
and Laramie
513 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of up to one inch are expected.

* WHERE...North Laramie Range and lower elevations west of the 
  Laramie Range including Laramie, Shirley Basin, Rawlins, and 
  Saratoga.

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

NEZ054-055-WYZ118-119-240600-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
Kimball-Cheyenne-Central Laramie County-East Laramie County-
Including the cities of Kimball, Brownson, Sidney, Cheyenne, 
and Pine Bluffs
513 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow occurring. Plan on slippery road conditions.
  Additional snow accumulations of up to two inches are expected,
  with storm total accumulations of 3 to 6 inches. 

* WHERE...Southern Nebraska Panhandle including Kimball and 
  Sidney, Southeast Wyoming including Cheyenne and Pine Bluffs.

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$
013 
WWUS45 KCYS 240111
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
611 PM MST Sat Dec 23 2017

...WINTER WEATHER CONTINUING INTO THIS EVENING...

NEZ054-055-240600-
/O.UPG.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
/O.EXA.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
Kimball-Cheyenne-
Including the cities of Kimball, Brownson, and Sidney
611 PM MST Sat Dec 23 2017

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 2 to 4 inches are 
  expected, with storm total accumulations of 5 to 10 inches.

* WHERE...Southern Nebraska Panhandle including Kimball and
  Sidney. 

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ116-117-240600-
/O.EXT.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
611 PM MST Sat Dec 23 2017

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 2 to 4 inches are 
  expected.

* WHERE...Interstate 80 between Laramie and Cheyenne, and 
  Interstate 25 north of Cheyenne. This does not include the 
  cities of Laramie and Cheyenne.

* WHEN...Until 11 PM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. Cold wind chills as low as 15 below zero 
  will cause frostbite in as little as 30 minutes to exposed 
  skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ110-240700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-171224T0700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
611 PM MST Sat Dec 23 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Blizzard conditions occurring. Travel will be very 
  dangerous to impossible. Additional snow accumulations of 2 to 
  4 inches are expected.

* WHERE...Interstate 80 between Laramie and Rawlins, mainly 
  around Elk Mountain and Arlington.

* WHEN...Until midnight.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause whiteout conditions in blowing snow. Significant 
  drifting of the snow is likely. Cold wind chills as low as 20 
  below zero will cause frostbite in as little as 30 minutes to 
  exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Blizzard Warning means severe winter weather conditions are
expected or occurring. Falling and blowing snow with strong winds
and poor visibilities are likely. This will lead to whiteout
conditions, making travel extremely dangerous. Do not travel. If
you must travel, have a winter survival kit with you.  If you get
stranded, stay with your vehicle. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

$$

WYZ112-114-240700-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0700Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
611 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow and blowing snow occurring. Plan on 
  difficult travel conditions. Additional snow accumulations of 
  3 to 5 inches are expected.

* WHERE...Snowy and Sierra Madre Mountain Ranges.

* WHEN...Until midnight.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause areas of blowing and drifting snow. Cold wind chills as 
  low as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

NEZ019>021-096-WYZ106>108-240600-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
Scotts Bluff-Banner-Morrill-South Sioux-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Agate, Bordeaux, Wheatland, 
Guernsey, and Torrington
611 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 1 to 3 inches are 
  expected, with storm total accumulations of 6 to 12 inches.

* WHERE...Southern Platte, Goshen, Scottsbluff, Southern Sioux, 
  Banner, and Morill counties.

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ103>105-109-111-113-115-240300-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0300Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
Including the cities of Garrett, Seminoe Dam, Medicine Bow, 
Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Bosler, 
and Laramie
611 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of up to one inch are expected.

* WHERE...North Laramie Range and lower elevations west of the 
  Laramie Range including Laramie, Shirley Basin, Rawlins, and 
  Saratoga.

* WHEN...Until 8 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

WYZ118-119-240600-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
Central Laramie County-East Laramie County-
Including the cities of Cheyenne and Pine Bluffs
611 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of up to two inches are expected,
   with storm total accumulations of 3 to 6 inches.

* WHERE...Southern Nebraska Panhandle including Kimball and 
  Sidney, Southeast Wyoming including Cheyenne and Pine Bluffs.

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$
366 
WWUS45 KCYS 240227
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
727 PM MST Sat Dec 23 2017

...WINTER WEATHER CONTINUING THIS EVENING...

WYZ110-240600-
/O.CAN.KCYS.BZ.W.0001.000000T0000Z-171224T0700Z/
/O.EXA.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
727 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS
EVENING...
...BLIZZARD WARNING IS CANCELLED...

* WHAT...Light snow and blowing snow occurring. Plan on slippery
  road conditions and low visibilities. Additional snowfall
  accumulations should be less than one inch.

* WHERE...Interstate 80 between Laramie and Cheyenne. 

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

WYZ116-117-240600-
/O.CAN.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
/O.EXA.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
727 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Light snow and blowing snow occurring. Plan on slippery
  road conditions and low visibilities. Additional snowfall
  accumulations should be less than one inch.

* WHERE...Interstate 80 between Laramie and Cheyenne. 

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

WYZ112-114-240700-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0700Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
727 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow and blowing snow occurring. Plan on difficult
  travel conditions. Several inches of additional snowfall
  accumulations are possible.

* WHERE...Snowy and Sierra Madre Mountain Ranges.

* WHEN...Until midnight tonight.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause areas of blowing and drifting snow. Cold wind chills as 
  low as 20 below zero will cause frostbite in as little as 30 
  minutes to exposed skin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

NEZ019>021-054-055-096-WYZ106>108-240600-
/O.CON.KCYS.WS.W.0019.000000T0000Z-171224T0600Z/
Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-South Sioux-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Brownson, Sidney, Agate, 
Bordeaux, Wheatland, Guernsey, and Torrington
727 PM MST Sat Dec 23 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow occurring. Plan on difficult travel conditions. An
  inch or two of additional snowfall is possible. 

* WHERE...Southern Platte and Goshen counties in southeast
  Wyoming. Scottsbluff, Morrill, Banner, Kimball, and Cheyenne
  counties in the Nebraska Panhandle. 

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$

WYZ103>105-109-111-113-115-240600-
/O.EXT.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-Southwest Carbon County-
Upper North Platte River Basin-Laramie Valley-
Including the cities of Garrett, Seminoe Dam, Medicine Bow, 
Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Bosler, 
and Laramie
727 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Light snow and blowing snow occurring. Plan on slippery
  road conditions and low visibilities. Additional snowfall
  accumulations should be less than one inch.

* WHERE...North Laramie Range and lower elevations west of the 
  Laramie Range including Laramie, Shirley Basin, Rawlins, and 
  Saratoga.

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

WYZ118-119-240600-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-171224T0600Z/
Central Laramie County-East Laramie County-
Including the cities of Cheyenne and Pine Bluffs
727 PM MST Sat Dec 23 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Light snow and blowing snow occurring. Plan on slippery
  road conditions and low visibilities. Additional snowfall
  accumulations should be less than one inch.

* WHERE...Central and eastern Laramie County including Cheyenne
  and Pine Bluffs.

* WHEN...Until 11 PM this evening.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Cold wind chills as low as 15 below zero will cause 
  frostbite in as little as 30 minutes to exposed skin.

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.

$$

CLH

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 22, 2:06 AM MSTWinter Storm WarningCYSAlbany, Carbon, Goshen, Laramie, Platte45 hr
Dec 22, 2:14 PM MSTWinter Weather AdvisoryCYSAlbany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more32 hr

Nearby

Blizzard Warnings in Wyoming, 2017Every blizzard warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.