Alert archive / Wyoming / High Wind Watches in 2021

High Wind Watch 45, NWS Cheyenne, WY

December 2, 20216 counties in Nebraska; 7 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Dec 2, 2021, 12:46 PM MST for 6 counties in Nebraska; 7 counties in Wyoming. It took effect at Dec 4, 2021, 5:00 AM MST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Dec 2, 2021, 12:46 PM MST (19:46 UTC)
In effect from
Dec 4, 2021, 5:00 AM MST
Expired
Dec 5, 2021, 2:21 AM MST
In force
21 hr
Issued by
NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Dawes County, NE, Kimball County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 107 km from the middle of the area, began a volume at 19:47 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.

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 7.8 hours before the alert went out and 256 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, Rapid City, SD at 12:00Z on 2021-12-02Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 2021-12-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.19395878Sfc1 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
2561 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

506 
WWUS75 KCYS 021946
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1246 PM MST Thu Dec 2 2021

WYZ106-110-031200-
/O.NEW.KCYS.HW.A.0045.211204T1200Z-211205T1200Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
1246 PM MST Thu Dec 2 2021

...HIGH WIND WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH LATE
SATURDAY NIGHT...

* WHAT...West winds 40 to 50 mph with gusts up to 75 mph 
  possible.

* WHERE...Central Laramie Range and Southwest Platte County and 
  North Snowy Range Foothills.

* WHEN...From late Friday night through late Saturday night.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ116-117-031200-
/O.NEW.KCYS.HW.A.0045.211205T0000Z-211205T1500Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
1246 PM MST Thu Dec 2 2021

...HIGH WIND WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...

* WHAT...West winds 40 to 50 mph with gusts up to 70 mph 
  possible.

* WHERE...South Laramie Range and South Laramie Range Foothills.

* WHEN...From Saturday afternoon through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ107-115-118-031200-
/O.NEW.KCYS.HW.A.0045.211205T0300Z-211205T1200Z/
East Platte County-Laramie Valley-Central Laramie County-
Including the cities of Wheatland, Guernsey, Laramie, Bosler, 
and Cheyenne
1246 PM MST Thu Dec 2 2021

...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE
SATURDAY NIGHT...

* WHAT...West winds 40 to 50 mph with gusts up to 65 mph 
  possible.

* WHERE...East Platte County, Laramie Valley and Central Laramie 
  County.

* WHEN...From Saturday evening through late Saturday night.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
6 follow-up statements
530 
WWUS75 KCYS 031045 AAA
NPWCYS

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Cheyenne WY
345 AM MST Fri Dec 3 2021

WYZ108-119-031845-
/O.EXB.KCYS.HW.A.0045.211205T0300Z-211205T1800Z/
Goshen County-East Laramie County-
Including the cities of Torrington and Pine Bluffs
345 AM MST Fri Dec 3 2021

...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 to 60 mph 
  possible.

* WHERE...Goshen County and East Laramie County.

* WHEN...From late Saturday evening through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ106-110-031845-
/O.EXT.KCYS.HW.A.0045.211204T1200Z-211205T1800Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
345 AM MST Fri Dec 3 2021

...HIGH WIND WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
MORNING...

* WHAT...West winds 30 to 50 mph with gusts up to 75 mph 
  possible.

* WHERE...Central Laramie Range and Southwest Platte County and 
  North Snowy Range Foothills.

* WHEN...From late tonight through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ116-117-031845-
/O.EXT.KCYS.HW.A.0045.211205T0000Z-211205T1800Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
345 AM MST Fri Dec 3 2021

...HIGH WIND WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...

* WHAT...West winds 40 to 50 mph with gusts up to 75 mph 
  possible.

* WHERE...South Laramie Range and South Laramie Range Foothills.

* WHEN...From Saturday afternoon through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ107-115-118-031845-
/O.EXT.KCYS.HW.A.0045.211205T0300Z-211205T1800Z/
East Platte County-Laramie Valley-Central Laramie County-
Including the cities of Wheatland, Guernsey, Laramie, Bosler, 
and Cheyenne
345 AM MST Fri Dec 3 2021

...HIGH WIND WATCH NOW IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY MORNING...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  possible.

* WHERE...East Platte County, Laramie Valley and Central Laramie 
  County.

* WHEN...From Saturday evening through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
359 
WWUS75 KCYS 031951
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1251 PM MST Fri Dec 3 2021

WYZ106-110-041200-
/O.UPG.KCYS.HW.A.0045.211204T1200Z-211205T1800Z/
/O.NEW.KCYS.HW.W.0052.211204T1200Z-211205T1800Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
1251 PM MST Fri Dec 3 2021

...HIGH WIND WARNING IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST
SUNDAY...

* WHAT...West winds 35 to 55 mph with gusts up to 80 mph 
  expected.

* WHERE...Central Laramie Range and Southwest Platte County and 
  North Snowy Range Foothills.

* WHEN...From 5 AM Saturday to 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ116-117-041200-
/O.UPG.KCYS.HW.A.0045.211205T0000Z-211205T1800Z/
/O.NEW.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
1251 PM MST Fri Dec 3 2021

...HIGH WIND WARNING IN EFFECT FROM 5 PM SATURDAY TO 11 AM MST
SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 70 mph 
  expected.

* WHERE...South Laramie Range and South Laramie Range Foothills.

* WHEN...From 5 PM Saturday to 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ115-118-041200-
/O.UPG.KCYS.HW.A.0045.211205T0300Z-211205T1800Z/
/O.NEW.KCYS.HW.W.0052.211205T0300Z-211205T1800Z/
Laramie Valley-Central Laramie County-
Including the cities of Laramie, Bosler, and Cheyenne
1251 PM MST Fri Dec 3 2021

...HIGH WIND WARNING IN EFFECT FROM 8 PM SATURDAY TO 11 AM MST
SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 70 mph 
  expected.

* WHERE...Laramie Valley and Central Laramie County.

* WHEN...From 8 PM Saturday to 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ101-104-105-109-041200-
/O.EXA.KCYS.HW.A.0045.211205T0300Z-211205T1800Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Carbon County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Seminoe Dam, Medicine Bow, Shirley Basin, and Rawlins
1251 PM MST Fri Dec 3 2021

...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph 
  possible.

* WHERE...Converse County Lower Elevations, 
  Ferris/Seminoe/Shirley Mountains, Shirley Basin and Central 
  Carbon County.

* WHEN...From late Saturday evening through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds may be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ107-108-119-041200-
/O.CON.KCYS.HW.A.0045.211205T0300Z-211205T1800Z/
East Platte County-Goshen County-East Laramie County-
Including the cities of Wheatland, Guernsey, Torrington, 
and Pine Bluffs
1251 PM MST Fri Dec 3 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY MORNING...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  possible.

* WHERE...East Platte County, Laramie Valley and Central Laramie 
  County.

* WHEN...From Saturday evening through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds may be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
518 
WWUS75 KCYS 040943
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
243 AM MST Sat Dec 4 2021

WYZ101-104-105-107-109-042200-
/O.UPG.KCYS.HW.A.0045.211205T0300Z-211205T1800Z/
/O.EXA.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-East Platte County-Central Carbon County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Seminoe Dam, Medicine Bow, Shirley Basin, Wheatland, Guernsey, 
and Rawlins
243 AM MST Sat Dec 4 2021

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM
MST SUNDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 65 mph 
  expected.

* WHERE...Converse County Lower Elevations, 
  Ferris/Seminoe/Shirley Mountains, Shirley Basin, East Platte 
  County and Central Carbon County.

* WHEN...From 5 PM this afternoon to 11 AM MST Sunday.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Travel will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ115-118-042200-
/O.EXT.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
Laramie Valley-Central Laramie County-
Including the cities of Laramie, Bosler, and Cheyenne
243 AM MST Sat Dec 4 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
11 AM MST SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible.

* WHERE...Laramie Valley and Central Laramie County.

* WHEN...From 5 PM this afternoon to 11 AM MST Sunday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ106-110-042200-
/O.CON.KCYS.HW.W.0052.211204T1200Z-211205T1800Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
243 AM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...West winds 40 to 50 mph with gusts up to 85 mph 
  expected.

* WHERE...North Snowy Range Foothills and Central Laramie Range 
  and Southwest Platte County.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ116-117-042200-
/O.CON.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
243 AM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 11 AM MST SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph 
  expected.

* WHERE...South Laramie Range Foothills and South Laramie Range.

* WHEN...From 5 PM this afternoon to 11 AM MST Sunday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NEZ002-003-095-096-WYZ102-042200-
/O.EXB.KCYS.HW.A.0045.211205T1200Z-211206T0000Z/
Dawes County-Box Butte County-Northern Sioux County-
Southern Sioux County-Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, Harrison, Agate, Lusk, and Redbird
243 AM MST Sat Dec 4 2021

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph 
  possible.

* WHERE...In Wyoming, Niobrara County. In Nebraska, Dawes 
  County, Box Butte County, Northern Sioux County and Southern 
  Sioux County.

* WHEN...Sunday morning through Sunday afternoon.

* IMPACTS...Damaging winds could blow down trees and power lines. 
  Travel could be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ108-119-042200-
/O.CON.KCYS.HW.A.0045.211205T0300Z-211205T1800Z/
Goshen County-East Laramie County-
Including the cities of Torrington and Pine Bluffs
243 AM MST Sat Dec 4 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph 
  possible.

* WHERE...Goshen County and East Laramie County.

* WHEN...From this evening through Sunday morning.

* IMPACTS...Damaging winds could blow down trees and power lines. 
  Travel could be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
801 
WWUS75 KCYS 040953
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Sat Dec 4 2021

WYZ106-110-042200-
/O.CON.KCYS.HW.W.0052.211204T1200Z-211205T1800Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
253 AM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...West winds 40 to 50 mph with gusts up to 85 mph 
  expected.

* WHERE...North Snowy Range Foothills and Central Laramie Range 
  and Southwest Platte County.

* WHEN...Until 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ116-117-042200-
/O.CON.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
253 AM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 11 AM MST SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph 
  expected.

* WHERE...South Laramie Range Foothills and South Laramie Range.

* WHEN...From 5 PM this afternoon to 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ101-104-105-107-109-115-118-042200-
/O.CON.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-East Platte County-Central Carbon County-
Laramie Valley-Central Laramie County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Seminoe Dam, Medicine Bow, Shirley Basin, Wheatland, Guernsey, 
Rawlins, Laramie, Bosler, and Cheyenne
253 AM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 11 AM MST SUNDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 70 mph 
  expected.

* WHERE...Laramie Valley, Ferris/Seminoe/Shirley Mountains, East 
  Platte County, Converse County Lower Elevations, Shirley 
  Basin, Central Carbon County and Central Laramie County.

* WHEN...From 5 PM this afternoon to 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ108-119-042200-
/O.EXT.KCYS.HW.A.0045.211205T0000Z-211205T1800Z/
Goshen County-East Laramie County-
Including the cities of Torrington and Pine Bluffs
253 AM MST Sat Dec 4 2021

...HIGH WIND WATCH NOW IN EFFECT FROM THIS AFTERNOON THROUGH
SUNDAY MORNING...

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph 
  possible.

* WHERE...Goshen County and East Laramie County.

* WHEN...From this afternoon through Sunday morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NEZ002-003-095-096-WYZ102-042200-
/O.CON.KCYS.HW.A.0045.211205T1200Z-211206T0000Z/
Dawes County-Box Butte County-Northern Sioux County-
Southern Sioux County-Niobrara County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, Harrison, Agate, Lusk, and Redbird
253 AM MST Sat Dec 4 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph 
  possible.

* WHERE...In Wyoming, Niobrara County. In Nebraska, Northern 
  Sioux County, Southern Sioux County, Box Butte County and 
  Dawes County.

* WHEN...Sunday morning through Sunday afternoon.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$
669 
WWUS75 KCYS 042114
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
214 PM MST Sat Dec 4 2021

WYZ102-051200-
/O.UPG.KCYS.HW.A.0045.211205T1200Z-211206T0000Z/
/O.EXA.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
Niobrara County-
Including the cities of Lusk and Redbird
214 PM MST Sat Dec 4 2021

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...West winds 30 to 40 MPH with occasional gusts to 60 MPH.

* WHERE...Niobrara County including the city of Lusk. 

* WHEN...5 PM MST today until 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ108-119-051200-
/O.UPG.KCYS.HW.A.0045.211205T0000Z-211205T1800Z/
/O.EXA.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
Goshen County-East Laramie County-
Including the cities of Torrington and Pine Bluffs
214 PM MST Sat Dec 4 2021

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph 
  possible.
 
* WHERE...Goshen County and East Laramie County including the
  cities of Torrington and Pine Bluffs. This includes Highway 85
  between Cheyenne and Torrington.

* WHEN...5 PM MST today until 11 AM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ106-110-051200-
/O.CON.KCYS.HW.W.0052.000000T0000Z-211205T1800Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
214 PM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...West winds 40 to 50 mph with gusts up to 85 mph 
  expected.

* WHERE...North Snowy Range Foothills including Arlington and Elk
  Mountain along Interstate 80 between Laramie and Rawlins,
  Central Laramie Range including Bordeaux along Interstate 25
  between Chugwater and Wheatland. 

* WHEN...Until 11 AM MST Sunday. The strongest winds are expected
  overnight into early Sunday morning. 

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ116-117-051200-
/O.CON.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
214 PM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...West winds 40 to 50 mph with gusts up to 85 mph 
  expected.

* WHERE...South Laramie Range Foothills and South Laramie Range
  including Interstate 80 between Cheyenne and Laramie.

* WHEN...5 PM today until 11 AM MST Sunday. The strongest winds 
  are expected overnight into early Sunday morning. 

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

WYZ101-104-105-107-109-115-118-051200-
/O.CON.KCYS.HW.W.0052.211205T0000Z-211205T1800Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-East Platte County-Central Carbon County-
Laramie Valley-Central Laramie County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Seminoe Dam, Medicine Bow, Shirley Basin, Wheatland, Guernsey, 
Rawlins, Laramie, Bosler, and Cheyenne
214 PM MST Sat Dec 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected.
 
* WHERE...Much of southeast Wyoming including the cities of
  Rawlins, Douglas, Wheatland, Laramie, and Cheyenne. 

* WHEN...5 PM today until 11 AM MST Sunday. The strongest winds
  are expected overnight into early Sunday morning. 

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts of
58 mph or more can lead to property damage.

&&

$$

NEZ019-020-054-051200-
/O.EXA.KCYS.HW.A.0045.211205T1200Z-211206T0000Z/
Scotts Bluff County-Banner County-Kimball County-
Including the cities of Scottsbluff, Gering, Harrisburg, 
and Kimball
214 PM MST Sat Dec 4 2021

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...

* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible.

* WHERE...Portions of the western Nebraska Panhandle including
  Scotts Bluff, Banner, and Kimball Counties. This includes the
  cities of Scottsbluff, Harrisburg, and Kimball. 

* WHEN...5 AM MST until 5 PM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

NEZ002-003-095-096-051200-
/O.CON.KCYS.HW.A.0045.211205T1200Z-211206T0000Z/
Dawes County-Box Butte County-Northern Sioux County-
Southern Sioux County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, Harrison, and Agate
214 PM MST Sat Dec 4 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible.

* WHERE...Northern Nebraska Panhandle including Harrison, Chadron
  and Alliance. 

* WHEN...5 AM MST until 5 PM MST Sunday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

CLH
641 
WWUS75 KCYS 050921
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
221 AM MST Sun Dec 5 2021

NEZ002-003-019-020-054-095-096-051030-
/O.CAN.KCYS.HW.A.0045.211205T1200Z-211206T0000Z/
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Kimball County-Northern Sioux County-Southern Sioux County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, Scottsbluff, Gering, Harrisburg, Kimball, Harrison, 
and Agate
221 AM MST Sun Dec 5 2021

...HIGH WIND WATCH IS CANCELLED...

The High Wind Watch in Nebraska Panhandle has been cancelled but
elevated winds of 30 to 40 mph with gusts to 50 mph at times are 
expected this morning through the afternoon hours. Will message
this aspect through a strongly worded special weather statement. 

$$

WYZ106-110-051730-
/O.CON.KCYS.HW.W.0052.000000T0000Z-211205T1800Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
221 AM MST Sun Dec 5 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...West winds 40 to 50 mph with gusts up to 75 mph.

* WHERE...Central Laramie Range and Southwest Platte County and 
  North Snowy Range Foothills.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ116-117-051730-
/O.CON.KCYS.HW.W.0052.000000T0000Z-211205T1800Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
221 AM MST Sun Dec 5 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...West winds 40 to 50 mph with gusts up to 70 mph.

* WHERE...South Laramie Range and South Laramie Range Foothills.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WYZ101-102-104-105-107>109-115-118-119-051730-
/O.CON.KCYS.HW.W.0052.000000T0000Z-211205T1800Z/
Converse County Lower Elevations-Niobrara County-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-East Platte County-
Goshen County-Central Carbon County-Laramie Valley-
Central Laramie County-East Laramie County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Lusk, Redbird, Seminoe Dam, Medicine Bow, Shirley Basin, 
Wheatland, Guernsey, Torrington, Rawlins, Laramie, Bosler, 
Cheyenne, and Pine Bluffs
221 AM MST Sun Dec 5 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...West winds 25 to 35 mph with gusts up to 65 mph.

* WHERE...Shirley Basin, Ferris/Seminoe/Shirley Mountains, 
  Laramie Valley, East Platte County, Converse County Lower 
  Elevations, Niobrara County, Central Carbon County, Goshen 
  County, Central Laramie County and East Laramie County.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

Nearby

High Wind Watches in Wyoming, 2021High Wind Watches in Nebraska, 2021Every high wind watch in 2021

Sources

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