Alert archive / Wyoming / High Wind Warnings in 2021

High Wind Warning 67, NWS Cheyenne, WY

December 29, 20216 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Dec 29, 2021, 2:25 AM MST for 6 counties in Wyoming. It took effect at Dec 29, 2021, 6:00 PM MST. It was in force for 29 hr. 60 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 29, 2021, 2:25 AM MST (09:25 UTC)
In effect from
Dec 29, 2021, 6:00 PM MST
Expired
Dec 30, 2021, 11:00 PM MST
In force
29 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 103 km from the middle of the area, began a volume at 09:28 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 29, 8:16 PM MSTNON-TSTM WND GST 597 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Dec 29, 9:16 PM MSTNON-TSTM WND GST 623 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 29, 10:06 PM MSTNON-TSTM WND GST 583 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 29, 10:10 PM MSTNON-TSTM WND GST 582 Ne Rawlins, WYASOS STATION KRWL 1 ENE RAWLINS.
Dec 29, 10:42 PM MSTNON-TSTM WND GST 583 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 29, 11:26 PM MSTNON-TSTM WND GST 633 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 29, 11:26 PM MSTNON-TSTM WND GST 637 Nw Elk Mountain, WYMESONET STATION WY18 HALLECK RIDGE (WYDOT).
Dec 29, 11:52 PM MSTNON-TSTM WND GST 593 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 12:06 AM MSTNON-TSTM WND GST 588 Ene Hanna, WYMESONET STATION UP164 8.2 E HANNA (UPR).
Dec 30, 12:12 AM MSTNON-TSTM WND GST 598 S Sibley Peak, WYMESONET STATION WY1 8.4 S SIBLEY PEAK (WYDOT).
Dec 30, 12:12 AM MSTNON-TSTM WND GST 627 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Dec 30, 12:26 AM MSTNON-TSTM WND GST 587 Nw Elk Mountain, WYMESONET STATION WY18 HALLECK RIDGE (WYDOT).
Dec 30, 12:36 AM MSTNON-TSTM WND GST 623 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 12:36 AM MSTNON-TSTM WND GST 683 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 30, 12:52 AM MSTNON-TSTM WND GST 638 S Sibley Peak, WYMESONET STATION WY1 8.4 S SIBLEY PEAK (WYDOT).
Dec 30, 1:12 AM MSTNON-TSTM WND GST 608 S Sibley Peak, WYMESONET STATION WY1 8.4 S SIBLEY PEAK (WYDOT).
Dec 30, 1:33 AM MSTNON-TSTM WND GST 622 Ne Rawlins, WYASOS STATION KRWL 1 ENE RAWLINS.
Dec 30, 1:36 AM MSTNON-TSTM WND GST 587 Nw Elk Mountain, WYMESONET STATION WY18 HALLECK RIDGE (WYDOT).
Dec 30, 1:36 AM MSTNON-TSTM WND GST 603 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 1:52 AM MSTNON-TSTM WND GST 703 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 30, 2:10 AM MSTNON-TSTM WND GST 602 Ne Rawlins, WYASOS STATION KRWL 1 ENE RAWLINS.
Dec 30, 2:15 AM MSTNON-TSTM WND GST 645 Wsw Douglas, WYMESONET STATION DW7426 DOUGLAS.
Dec 30, 2:26 AM MSTNON-TSTM WND GST 611 Nnw Arlington, WYMESONET STATION KARL 0.6 NW ARLINGTON (WYDOT).
Dec 30, 2:36 AM MSTNON-TSTM WND GST 633 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 2:42 AM MSTNON-TSTM WND GST 713 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 30, 2:50 AM MSTNON-TSTM WND GST 614 W Muddy Gap, WYCAMP CREEK RAWS SITE.
Dec 30, 3:26 AM MSTNON-TSTM WND GST 587 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Dec 30, 3:26 AM MSTNON-TSTM WND GST 595 Nw Arlington, WYMESONET STATION WY21 5.5 NW ARLINGTON (WYDOT).
Dec 30, 3:26 AM MSTNON-TSTM WND GST 653 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 3:44 AM MSTNON-TSTM WND GST 58Skyline, WYMESONET STATION KSKL SKYLINE (WYDOT).
Dec 30, 3:50 AM MSTNON-TSTM WND GST 744 W Muddy Gap, WYCAMP CREEK RAWS SITE.
Dec 30, 3:52 AM MSTNON-TSTM WND GST 635 Nw Arlington, WYMESONET STATION WY21 5.5 NW ARLINGTON (WYDOT).
Dec 30, 3:56 AM MSTNON-TSTM WND GST 631 Nnw Arlington, WYMESONET STATION KARL 0.6 NW ARLINGTON (WYDOT).
Dec 30, 3:56 AM MSTNON-TSTM WND GST 763 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 30, 4:06 AM MSTNON-TSTM WND GST 587 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Dec 30, 4:06 AM MSTNON-TSTM WND GST 621 S Glenrock, WYMESONET STATION KDRC 1.4 S GLENROCK (WYDOT).
Dec 30, 4:06 AM MSTNON-TSTM WND GST 693 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 4:12 AM MSTNON-TSTM WND GST 593 Nw Arlington, WYMESONET STATION WY22 2.7 NW ARLINGTON (WYDOT).
Dec 30, 4:20 AM MSTNON-TSTM WND GST 695 Nw Arlington, WYMESONET STATION WY21 5.5 NW ARLINGTON (WYDOT).
Dec 30, 4:22 AM MSTNON-TSTM WND GST 62Skyline, WYMESONET STATION KSKL SKYLINE (WYDOT).
Dec 30, 4:26 AM MSTNON-TSTM WND GST 62Skyline, WYMESONET STATION KSKL SKYLINE (WYDOT).
Dec 30, 4:26 AM MSTNON-TSTM WND GST 761 Nnw Arlington, WYMESONET STATION KARL 0.6 NW ARLINGTON (WYDOT).
Dec 30, 4:42 AM MSTNON-TSTM WND GST 705 Nw Arlington, WYMESONET STATION WY21 5.5 NW ARLINGTON (WYDOT).
Dec 30, 4:50 AM MSTNON-TSTM WND GST 694 W Muddy Gap, WYCAMP CREEK RAWS SITE.
Dec 30, 4:52 AM MSTNON-TSTM WND GST 657 Nw Elk Mountain, WYMESONET STATION WY18 HALLECK RIDGE (WYDOT).
Dec 30, 4:52 AM MSTNON-TSTM WND GST 753 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 30, 5:26 AM MSTNON-TSTM WND GST 652 E Arlington, WYMESONET STATION WY23 1.6 E ARLINGTON (WYDOT).
Dec 30, 5:26 AM MSTNON-TSTM WND GST 665 Nw Arlington, WYMESONET STATION WY21 5.5 NW ARLINGTON (WYDOT).
Dec 30, 5:26 AM MSTNON-TSTM WND GST 673 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 5:36 AM MSTNON-TSTM WND GST 597 Nw Elk Mountain, WYMESONET STATION WY18 HALLECK RIDGE (WYDOT).
Dec 30, 5:36 AM MSTNON-TSTM WND GST 64Rock River, WYMESONET STATION UR345 ROCK RIVER (UPR).
Dec 30, 5:42 AM MSTNON-TSTM WND GST 6011 Se Arlington, WYMESONET STATION WY25 10.7 SE ARLINGTON (WYDOT).
Dec 30, 5:42 AM MSTNON-TSTM WND GST 777 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Dec 30, 5:46 AM MSTNON-TSTM WND GST 701 Nnw Arlington, WYMESONET STATION KARL 0.6 NW ARLINGTON (WYDOT).
Dec 30, 5:50 AM MSTNON-TSTM WND GST 704 W Muddy Gap, WYCAMP CREEK RAWS SITE.
Dec 30, 5:52 AM MSTNON-TSTM WND GST 783 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 30, 5:56 AM MSTNON-TSTM WND GST 601 Sse Bordeaux, WYMESONET STATION KBRX 1.4 S BORDEAUX (WYDOT).
Dec 30, 5:56 AM MSTNON-TSTM WND GST 783 Ese Elk Mountain, WYMESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT).
Dec 30, 6:06 AM MSTNON-TSTM WND GST 633 Nw Elk Mountain, WYMESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT).
Dec 30, 6:06 AM MSTNON-TSTM WND GST 705 Nw Arlington, WYMESONET STATION WY21 5.5 NW ARLINGTON (WYDOT).

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 00:00Z, 9.4 hours before the alert went out and 277 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 00:00Z on 2021-12-29Temperature 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 00:00Z on 2021-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 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
1781 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

146 
WWUS75 KCYS 290925
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
225 AM MST Wed Dec 29 2021

WYZ110-292300-
/O.UPG.KCYS.HW.A.0057.211230T0000Z-211231T0600Z/
/O.NEW.KCYS.HW.W.0067.211230T0100Z-211231T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
225 AM MST Wed Dec 29 2021

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 11 PM
MST THURSDAY...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph 
  expected.

* WHERE...North Snowy Range Foothills including Arlington and Elk
  Mountain areas. 

* WHEN...From 6 PM this evening to 11 PM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers between mile markers 240 and 290 
  on Interstate 80. Patchy to areas of blowing snow from recent 
  snowfall could reduce visibility to less than a half mile at 
  times. 

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.

&&

$$

WYZ101-292300-
/O.EXA.KCYS.HW.A.0057.211230T0600Z-211231T0600Z/
Converse County Lower Elevations-
Including the cities of Douglas, Glenrock, Bill, and Deer Creek
225 AM MST Wed Dec 29 2021

...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH THURSDAY
EVENING...

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

* WHERE...Converse County Lower Elevations.

* WHEN...From late this evening and especially for Thursday 
  morning through Thursday evening.

* 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.

&&

$$

WYZ104>107-109-113-115>117-292300-
/O.CON.KCYS.HW.A.0057.211230T0600Z-211231T0600Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-
East Platte County-Central Carbon County-
Upper North Platte River Basin-Laramie Valley-South Laramie Range-
South Laramie Range Foothills-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Bordeaux, Wheatland, Guernsey, Rawlins, Saratoga, Encampment, 
Laramie, Bosler, Buford, Pumpkin Vine, Vedauwoo, Whitaker, 
Federal, and Horse Creek
225 AM MST Wed Dec 29 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
THURSDAY EVENING...

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

* WHERE...Shirley Basin, Ferris/Seminoe/Shirley Mountains, South 
  Laramie Range, South Laramie Range Foothills, East Platte 
  County, Central Laramie Range and Southwest Platte County, 
  Upper North Platte River Basin, Central Carbon County and 
  Laramie Valley.

* WHEN...From late this evening and especially for Thursday
  morning into Thursday evening.

* 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.

&&

$$
5 follow-up statements
622 
WWUS75 KCYS 292108
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
208 PM MST Wed Dec 29 2021

WYZ104-105-109-113-115-301200-
/O.UPG.KCYS.HW.A.0057.211230T0600Z-211231T0600Z/
/O.EXB.KCYS.HW.W.0067.211230T0600Z-211231T0300Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-Upper North Platte River Basin-
Laramie Valley-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Saratoga, Encampment, Laramie, and Bosler
208 PM MST Wed Dec 29 2021

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 PM
MST THURSDAY...

* WHAT...West to southwest 35 to 45 MPH with gusts up to 60 MPH
  expected. 

* WHERE...Much of Carbon and Albany Counties including Rawlins,
  Saratoga, Laramie, Shirley Basin, and Muddy Gap. 

* WHEN...11 PM MST this evening until 8 PM MST Thursday. 

* 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.

&&

$$

WYZ106-116-117-301200-
/O.UPG.KCYS.HW.A.0057.211230T0600Z-211231T0600Z/
/O.EXB.KCYS.HW.W.0067.211230T0600Z-211231T0600Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, and Horse Creek
208 PM MST Wed Dec 29 2021

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 PM
MST THURSDAY...

* WHAT...West winds 40 to 55 MPH with gusts 70 to 80 MPH expected. 

* WHERE...Central and Southern Laramie Range and adjacent
  foothills. This includes Interstate 80 between Laramie and
  Cheyenne, and Bordeaux along Interstate 25 between Chugwater and
  Wheatland. The strongest winds are expected near the Interstate
  80 Summit. 

* WHEN...11 PM MST this evening until 11 PM MST Thursday. 

* 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.

&&

$$

WYZ101-107-301200-
/O.UPG.KCYS.HW.A.0057.211230T0600Z-211231T0600Z/
/O.EXB.KCYS.HW.W.0067.211230T0400Z-211231T0300Z/
Converse County Lower Elevations-East Platte County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Wheatland, and Guernsey
208 PM MST Wed Dec 29 2021

...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 8 PM MST
THURSDAY...

* WHAT...West winds 40 to 55 MPH with gusts 70 to 80 MPH expected.
 
* WHERE...Converse and eastern Platte counties including Douglas,
  Wheatland, and Glendo. The strongest winds are expected between
  Wheatland and Glendo. 

* WHEN...9 PM MST this evening until 8 PM MST Thursday. 

* 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.

&&

$$

WYZ118-301200-
/O.EXB.KCYS.HW.W.0067.211230T0800Z-211231T0300Z/
Central Laramie County-
Including the city of Cheyenne
208 PM MST Wed Dec 29 2021

...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 8 PM MST THURSDAY...

* WHAT...West winds 35 to 50 MPH with gusts up to 70 MPH possible. 
 
* WHERE...Central Laramie County including the city of Cheyenne.

* WHEN...1 AM MST until 8 PM MST Thursday. 

* 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.

&&

$$

WYZ110-301200-
/O.CON.KCYS.HW.W.0067.211230T0100Z-211231T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
208 PM MST Wed Dec 29 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
11 PM MST THURSDAY...

* WHAT...Southwest winds 40 to 55 MPH with gusts 70 to 80 MPH 
  expected.
 
* WHERE...North Snowy Range Foothills including Arlington and Elk
  Mountain along Interstate 80 between Laramie and Rawlins. 

* WHEN...6 PM MST this evening until 11 PM MST Thursday. 

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers between mile markers 240 and 290 
  on Interstate 80. Patchy to areas of blowing snow from recent 
  snowfall could reduce visibility to less than a half mile at 
  times.

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.

&&

$$

CLH
423 
WWUS75 KCYS 301020
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
320 AM MST Thu Dec 30 2021

WYZ110-301830-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
320 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Southwest winds 40 to 55 MPH with gusts 70 to 80 MPH 
  expected.

* WHERE...North Snowy Range Foothills including Arlington and 
  Elk Mountain along Interstate 80 between Laramie and Rawlins.

* WHEN...6 PM MST this evening until 11 PM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers between mile markers 240 and 290 
  on Interstate 80. Patchy to areas of blowing snow from recent 
  snowfall could reduce visibility to less than a half mile at 
  times.

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.

&&

$$

WYZ104-105-109-113-115-301830-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-Upper North Platte River Basin-
Laramie Valley-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Saratoga, Encampment, Laramie, and Bosler
320 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West to southwest 35 to 45 MPH with gusts up to 60 MPH 
  expected.

* WHERE...Much of Carbon and Albany Counties including Rawlins, 
  Saratoga, Laramie, Shirley Basin, and Muddy Gap.

* WHEN...11 PM MST this evening until 8 PM MST Thursday.

* 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.

&&

$$

WYZ106-116-117-301830-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, and Horse Creek
320 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...West winds 40 to 55 MPH with gusts 70 to 80 MPH 
  expected.

* WHERE...Central and Southern Laramie Range and adjacent 
  foothills. This includes Interstate 80 between Laramie and 
  Cheyenne, and Bordeaux along Interstate 25 between Chugwater 
  and Wheatland. The strongest winds are expected near the 
  Interstate 80 Summit.

* WHEN...11 PM MST this evening until 11 PM MST Thursday.

* 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.

&&

$$

WYZ101-107-301830-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Converse County Lower Elevations-East Platte County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Wheatland, and Guernsey
320 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West winds 40 to 55 MPH with gusts 70 to 80 MPH 
  expected.

* WHERE...Converse and eastern Platte counties including 
  Douglas, Wheatland, and Glendo. The strongest winds are 
  expected between Wheatland and Glendo.

* WHEN...9 PM MST this evening until 8 PM MST Thursday.

* 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.

&&

$$

WYZ118-301830-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Central Laramie County-
Including the city of Cheyenne
320 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West winds 35 to 50 MPH with gusts up to 70 MPH 
  possible.

* WHERE...Central Laramie County including the city of Cheyenne.

* WHEN...1 AM MST until 8 PM MST Thursday.

* 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.

&&

$$
418 
WWUS75 KCYS 301831
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1131 AM MST Thu Dec 30 2021

WYZ108-310245-
/O.EXA.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Goshen County-
Including the city of Torrington
1131 AM MST Thu Dec 30 2021

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING...

* WHAT...West winds 35 to 50 MPH with gusts up to 65 MPH expected. 

* WHERE...Goshen County including the city of Torrington. 

* WHEN...Until 8 PM MST this evening. 

* 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.

&&

$$

WYZ110-310245-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1131 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Southwest winds 40 to 55 MPH with gusts up to 80 MPH
  likely. 

* WHERE...North Snowy Range Foothills including Arlington and 
  Elk Mountain along Interstate 80 between Laramie and Rawlins.

* WHEN...Until 11 PM MST this evening. 

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers between mile markers 240 and 290 
  on Interstate 80. Patchy to areas of blowing snow from recent 
  snowfall could reduce visibility to less than a half mile at 
  times.

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.

&&

$$

WYZ104-105-109-113-115-310245-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-Upper North Platte River Basin-
Laramie Valley-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Saratoga, Encampment, Laramie, and Bosler
1131 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West to southwest 35 to 45 MPH with gusts up to 60 MPH 
  expected.

* WHERE...Much of Carbon and Albany Counties including Rawlins, 
  Saratoga, Laramie, Shirley Basin, and Muddy Gap.

* WHEN...Until 8 PM MST this evening.

* 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.

&&

$$

WYZ106-116-117-310245-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, and Horse Creek
1131 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...West winds 45 to 60 MPH with gusts up to 90 MPH possible. 

* WHERE...Central and Southern Laramie Range and adjacent
  foothills. This includes Interstate 80 between Laramie and
  Cheyenne, and Bordeaux along Interstate 25 between Chugwater and
  Wheatland. 

* WHEN...Until 11 PM MST this evening. 

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. Winds of this magnitude can also
  lead to property damage. 

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.

&&

$$

WYZ101-107-310245-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Converse County Lower Elevations-East Platte County-
Including the cities of Douglas, Glenrock, Bill, Deer Creek, 
Wheatland, and Guernsey
1131 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West winds 40 to 55 MPH with gusts up to 75 MPH possible. 

* WHERE...Converse and eastern Platte counties including Douglas,
  Wheatland, and Glendo. 

* WHEN...Until 8 PM MST this evening.

* 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.

&&

$$

WYZ118-310245-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Central Laramie County-
Including the city of Cheyenne
1131 AM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West winds 35 to 50 MPH with gusts up to 65 MPH 
  possible.

* WHERE...Central Laramie County including the city of Cheyenne.

* WHEN...Until 8 PM MST this evening. 

* 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.

&&

$$

CLH
596 
WWUS75 KCYS 302055
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
155 PM MST Thu Dec 30 2021

WYZ107-310600-
/O.EXT.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
East Platte County-
Including the cities of Wheatland and Guernsey
155 PM MST Thu Dec 30 2021

...HIGH WIND WARNING NOW IN EFFECT UNTIL 11 PM MST THIS EVENING...

* WHAT...West winds 45 to 60 MPH with frequent gusts up to 85 MPH
  likely. Wind gusts may approach 95 to 100 MPH at times.

* WHERE...Platte County including Glendo, Wheatland, and Bordeaux. 

* WHEN...Until 11 PM MST this evening. The strongest winds will
  occur late this afternoon before gradually diminishing. 

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. Extreme winds of this magnitude
  can lead to property damage. 

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.

&&

$$

WYZ110-310600-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
155 PM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Southwest winds 40 to 55 MPH with gusts up to 80 MPH 
  likely.

* WHERE...North Snowy Range Foothills including Arlington and 
  Elk Mountain along Interstate 80 between Laramie and Rawlins.

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers between mile markers 240 and 290 
  on Interstate 80. Patchy to areas of blowing snow from recent 
  snowfall could reduce visibility to less than a half mile at 
  times.

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.

&&

$$

WYZ104-105-109-113-115-310300-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-Upper North Platte River Basin-
Laramie Valley-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Saratoga, Encampment, Laramie, and Bosler
155 PM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West to southwest 35 to 45 MPH with gusts up to 60 MPH 
  expected.

* WHERE...Much of Carbon and Albany Counties including Rawlins, 
  Saratoga, Laramie, Shirley Basin, and Muddy Gap.

* WHEN...Until 8 PM MST this evening.

* 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.

&&

$$

WYZ116-117-310600-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
155 PM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...West winds 45 to 60 MPH with gusts up to 80 MPH 
  possible.

* WHERE...Central and Southern Laramie Range and adjacent
  foothills including Interstate 80 between Laramie and Cheyenne. 

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. Winds of this magnitude can also 
  lead to property damage.

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.

&&

$$

WYZ101-310300-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Converse County Lower Elevations-
Including the cities of Douglas, Glenrock, Bill, and Deer Creek
155 PM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West winds 40 to 55 MPH with gusts up to 75 MPH 
  possible.

* WHERE...Lower elevations of Converse County including Douglas.

* WHEN...Until 8 PM MST this evening.

* 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.

&&

$$

WYZ108-118-310300-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0300Z/
Goshen County-Central Laramie County-
Including the cities of Torrington and Cheyenne
155 PM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* WHAT...West winds 35 to 50 MPH with gusts up to 65 MPH 
  expected.

* WHERE...Goshen and central Laramie counties including Torrington
  and Cheyenne. 

* WHEN...Until 8 PM MST this evening.

* 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.

&&

$$

WYZ106-310600-
/O.CON.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
155 PM MST Thu Dec 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...West winds 45 to 60 MPH with frequent gusts up to 85 MPH
  likely. Wind gusts may approach 95 to 100 MPH at times.

* WHERE...Platte County including Glendo, Wheatland, and Bordeaux. 

* WHEN...Until 11 PM MST this evening. The strongest winds will
  occur late this afternoon before gradually diminishing. 

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. Extreme winds of this magnitude
  can lead to property damage. 

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.

&&

$$

CLH
782 
WWUS75 KCYS 310622
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1122 PM MST Thu Dec 30 2021

WYZ106-107-110-116-117-310730-
/O.EXP.KCYS.HW.W.0067.000000T0000Z-211231T0600Z/
Central Laramie Range and Southwest Platte County-
East Platte County-North Snowy Range Foothills-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Wheatland, Guernsey, Arlington,
Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, 
and Horse Creek
1122 PM MST Thu Dec 30 2021

...HIGH WIND WARNING HAS EXPIRED...

Wind gusts have remained below criteria for the last 3 hours
across all zones. Therefore, the High Wind Warning has been
allowed to expire. Wind gusts to 55 MPH are possible for the next
hour or two in the Arlington/Elk Mountain with the passage of a
cold front.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 2:17 AM MSTWinter Storm WarningCYSAlbany, Carbon72 hr

Nearby

High Wind Warnings in Wyoming, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.