Alert archive / Wyoming / High Wind Warnings in 2021

High Wind Warning 3, NWS Cheyenne, WY

January 4, 20214 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 4, 2021, 1:13 PM MST for 4 counties in Wyoming. It was in force for 30 hr. 20 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
Jan 4, 2021, 1:13 PM MST (20:13 UTC)
Expired
Jan 5, 2021, 7:26 PM MST
In force
30 hr
Issued by
NWS Cheyenne, WY

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

The radar

The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 20:15 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
Jan 4, 8:30 PM MSTNON-TSTM WND GST 581 Nnw Arlington, WYMESONET STATION KARL 0.6 NW ARLINGTON (WYDOT).
Jan 5, 12:00 PM MSTNON-TSTM WND GST 6511 Wsw Warren Af Base, WY
Jan 5, 1:22 PM MSTNON-TSTM WND GST 607 Ese Arlington, WYMESONET STATION WY24 6.9 E ARLINGTON (WYDOT).
Jan 5, 2:41 PM MSTNON-TSTM WND GST 581 Nw Cheyenne, WYASOS STATION KCYS CHEYENNE AIRPORT - CYS.
Jan 5, 5:00 PM MSTSNOW 614 Nne Skyline, WYSOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTSNOW 67 Wsw Centennial, WYCINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTSNOW 7.57 Wnw Centennial, WYBROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTSNOW 7.58 Sw Skyline, WYBLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTSNOW 910 Ssw Arlington, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTSNOW 914 E Dixon, WYBATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTSNOW 9.68 Wsw Encampment, WYWEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTHEAVY SNOW 13.212 Sw Encampment, WYLITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTHEAVY SNOW 13.215 Ssw Encampment, WYWHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTHEAVY SNOW 15.620 Wnw Encampment, WYDIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTHEAVY SNOW 16.514 Wnw Centennial, WYMED BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10510 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTHEAVY SNOW 1810 Wsw Encampment, WYOLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 1.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:00 PM MSTHEAVY SNOW 19.514 W Centennial, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 18 HOURS.
Jan 5, 5:20 PM MSTHEAVY SNOW 0.1Pumpkin Vine, WYSNOW SQUALL. VISIBILITY QUARTER MILE. BLOWING SNOW WITH WINDS GREATER THAN 30MPH. MESONET STATION KPUM PUMPKIN VINE (WYDOT).
Jan 5, 5:52 PM MSTHEAVY SNOW 0.1Vedauwoo, WYSNOW SQUALL. VISIBILITY QUARTER MILE. BLOWING SNOW WITH WINDS GREATER THAN 30MPH.
Jan 5, 5:54 PM MSTHEAVY SNOW 0.14 Nnw Vedauwoo, WYSNOW SQUALL. VISIBILITY QUARTER MILE. BLOWING SNOW WITH WINDS GREATER THAN 30MPH.

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, 8.2 hours before the alert went out and 278 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 2021-01-04Temperature 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 2021-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939587897117Sfc1 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
2379 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

313 
WWUS75 KCYS 042013
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
113 PM MST Mon Jan 4 2021

WYZ110-051200-
/O.UPG.KCYS.HW.A.0003.210105T0000Z-210106T0600Z/
/O.NEW.KCYS.HW.W.0003.210104T2013Z-210106T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
113 PM MST Mon Jan 4 2021

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST TUESDAY...

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

* WHERE...North Snowy Range Foothills.

* WHEN...Until 11 PM MST Tuesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could 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.

&&

$$

WYZ106-116-117-051200-
/O.UPG.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/
/O.NEW.KCYS.HW.W.0003.210105T0900Z-210106T0600Z/
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
113 PM MST Mon Jan 4 2021

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 11 PM MST TUESDAY...

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

* WHERE...Central Laramie Range and Southwest Platte County, South
  Laramie Range and South Laramie Range Foothills.

* WHEN...2 AM to 11 PM Tuesday.

* IMPACTS...Damaging winds may blow down trees and power lines.
  Widespread power outages are possible. Travel may 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.

&&

$$

WYZ118-051200-
/O.CON.KCYS.HW.A.0003.210105T1500Z-210106T0300Z/
Central Laramie County-
Including the city of Cheyenne
113 PM MST Mon Jan 4 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...

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

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

* WHEN...8 AM to 8 PM Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways.

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.

&&

$$

Rubin
4 follow-up statements
571 
WWUS75 KCYS 050245
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
745 PM MST Mon Jan 4 2021

WYZ118-060300-
/O.UPG.KCYS.HW.A.0003.210105T1500Z-210106T0300Z/
/O.EXB.KCYS.HW.W.0003.210105T1500Z-210106T0300Z/
Central Laramie County-
Including the city of Cheyenne
745 PM MST Mon Jan 4 2021

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

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

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

* WHEN...From 8 AM to 8 PM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways.


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.

&&

$$

WYZ107-060300-
/O.EXB.KCYS.HW.W.0003.210105T1500Z-210106T0300Z/
East Platte County-
Including the cities of Wheatland and Guernsey
745 PM MST Mon Jan 4 2021

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

* WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph 
  expected.

* WHERE...East Platte County County including the cities of
  Wheatland and Guernsey.

* WHEN...From 8 AM to 8 PM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways.

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.

&&

$$

WYZ110-060600-
/O.CON.KCYS.HW.W.0003.000000T0000Z-210106T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
745 PM MST Mon Jan 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST TUESDAY...

* WHAT...West to southwest winds 35 to 45 mph with gusts up to 65
  mph. Winds turn northwest after noon Tuesday. Additionally, 
  winds will combine with snow showers for areas of blowing snow 
  and reduced visibilities, mainly between 8 AM and 5 PM. A Winter
  Weather Advisory has been issued for this period as well.

* WHERE...Arlington and Elk Mountain along Interstate 80 between
  Laramie and Rawlins. 

* WHEN...Until 11 PM MST Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. In addition, areas of blowing snow could lead to
  reduced visibilities, even whiteout conditions, and slick roads.

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.

&&

$$

WYZ106-116-117-060600-
/O.CON.KCYS.HW.W.0003.210105T0900Z-210106T0600Z/
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
745 PM MST Mon Jan 4 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TO 11 PM MST
TUESDAY...

* WHAT...West to southwest winds 35 to 45 mph with gusts up to 65
  mph expected. Winds turn northwest after noon.

* WHERE...Bordeaux along Interstate 25 between Chugwater and
  Wheatland, South Laramie Range and adjacent foothills including
  Interstate 80 between Laramie and Cheyenne, Interstate 25 near
  Wyoming Hill and Whitaker. 

* WHEN...2 AM to 11 PM Tuesday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways.

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.

&&

$$

AB
467 
WWUS75 KCYS 051111
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
411 AM MST Tue Jan 5 2021

WYZ110-060000-
/O.CON.KCYS.HW.W.0003.000000T0000Z-210106T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
411 AM MST Tue Jan 5 2021

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

* WHAT...West to southwest winds 35 to 45 mph with gusts up to 65
  mph. Snow and blowing snow likely at times, possibly resulting
  in near zero visibilities. A Winter Weather Advisory is also in
  effect.
 
* WHERE...Arlington and Elk Mountain along Interstate 80 between 
  Laramie and Rawlins.

* WHEN...Until 11 PM MST Tuesday. The highest impact period due to
  snow and blowing snow is expected between 8 AM and 5 PM MST.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. In addition, areas of blowing snow could lead to near
  zero visibilities at times as well as slick road conditions.

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.

&&

$$

WYZ106-116-117-060000-
/O.CON.KCYS.HW.W.0003.000000T0000Z-210106T0600Z/
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
411 AM MST Tue Jan 5 2021

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

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected.
  Some snow and blowing snow is also possible. 

* WHERE...Bordeaux along Interstate 25 between Chugwater and 
  Wheatland, South Laramie Range and adjacent foothills 
  including Interstate 80 between Laramie and Cheyenne, 
  Interstate 25 near Wyoming Hill and Whitaker.

* WHEN...Until 11 PM MST Tuesday. The greatest potential for snow
  and blowing snow will be during the mid to late afternoon hours.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. Snow showers could lead to brief but significant
  reductions in visibility and slick road conditions. 

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.

&&

$$

WYZ107-118-060000-
/O.CON.KCYS.HW.W.0003.210105T1500Z-210106T0300Z/
East Platte County-Central Laramie County-
Including the cities of Wheatland, Guernsey, and Cheyenne
411 AM MST Tue Jan 5 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
8 PM MST THIS EVENING...

* WHAT...West winds 35 to 45 mph with gusts up to 60 mph 
  expected. Some snow and blowing snow is also possible. 

* WHERE...East Platte County including the cities of Wheatland and
  Chugwater, central Laramie County including the city of
  Cheyenne.

* WHEN...8 AM until 8 PM MST Tuesday. The greatest potential for
  snow and blowing snow will be during the mid to late afternoon
  hours.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways. Snow showers could lead to brief but significant
  reductions in visibility and slick road conditions. 

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
673 
WWUS75 KCYS 052101
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
201 PM MST Tue Jan 5 2021

WYZ110-060600-
/O.CON.KCYS.HW.W.0003.000000T0000Z-210106T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
201 PM MST Tue Jan 5 2021

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

* WHAT...Sustained west to northwest winds 35 to 45 mph with gusts
  up to 65 mph expected. Snow and blowing snow likely at times, 
  possibly resulting in near zero visibilities. A Winter Weather 
  Advisory is also in effect.

* WHERE...Arlington and Elk Mountain along Interstate 80 between 
  Laramie and Rawlins.

* WHEN...Until 11 PM MST this evening. The highest impact period
  due to snow and blowing snow is expected through late this
  afternoon.

* IMPACTS...Mainly to transportation. Strong cross winds will be
  hazardous to light weight and high profile vehicles, including
  campers and tractor trailers. There will be a high risk for
  vehicle blow overs, particularly along north to south oriented
  roadways. In addition, areas of blowing snow could lead to near
  zero visibilities at times as well as slick road conditions.

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.

&&

$$

WYZ106-116-117-060600-
/O.CON.KCYS.HW.W.0003.000000T0000Z-210106T0600Z/
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
201 PM MST Tue Jan 5 2021

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

* WHAT...Sustained west to northwest winds 35 to 45 mph with 
  gusts up to 65 mph expected. Some snow and blowing snow is also 
  possible.

* WHERE...Bordeaux along Interstate 25 between Chugwater and
  Wheatland, South Laramie Range and Foothills including 
  Interstate 80 between Laramie and Cheyenne, Interstate 25 near 
  Wyoming Hill and Whitaker.

* WHEN...Until 11 PM MST this evening. The greatest potential for
  snow and blowing snow will be during the mid to late afternoon 
  hours.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways. Snow showers could lead to brief but significant 
  reductions in visibility and slick road conditions.

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.

&&

$$

WYZ107-118-060300-
/O.CON.KCYS.HW.W.0003.000000T0000Z-210106T0300Z/
East Platte County-Central Laramie County-
Including the cities of Wheatland, Guernsey, and Cheyenne
201 PM MST Tue Jan 5 2021

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

* WHAT...Sustained west to northwest winds 35 to 45 mph with 
  gusts up to 60 mph expected. Some snow and blowing snow is also 
  possible.

* WHERE...East Platte County including the cities of Wheatland and
  Chugwater, Central Laramie County including the city of 
  Cheyenne.

* WHEN...Until 8 PM MST this evening. The greatest potential for 
  snow and blowing snow will be during the mid to late afternoon 
  hours.

* IMPACTS...Mainly to transportation. Strong cross winds will be 
  hazardous to light weight and high profile vehicles, including 
  campers and tractor trailers. There will be a high risk for 
  vehicle blow overs, particularly along north to south oriented 
  roadways. Snow showers could lead to brief but significant 
  reductions in visibility and slick road conditions.

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.

&&

$$
588 
WWUS75 KCYS 060226
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
726 PM MST Tue Jan 5 2021

WYZ106-110-116-117-060330-
/O.CAN.KCYS.HW.W.0003.000000T0000Z-210106T0600Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-South Laramie Range-
South Laramie Range Foothills-
Including the cities of Bordeaux, Arlington, Elk Mountain, 
Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, 
and Horse Creek
726 PM MST Tue Jan 5 2021

...HIGH WIND WARNING IS CANCELLED...

Winds have significantly diminished in the last few hours behind
today's cold frontal passage. Gusts are topping off around 30 mph
and should remain there overnight. 

Look for areas of blowing snow, icy roadways, and patchy fog
overnight through sunrise.

$$

WYZ107-118-060330-
/O.CAN.KCYS.HW.W.0003.000000T0000Z-210106T0300Z/
East Platte County-Central Laramie County-
Including the cities of Wheatland, Guernsey, and Cheyenne
726 PM MST Tue Jan 5 2021

...HIGH WIND WARNING IS CANCELLED...

Winds have significantly diminished in the last few hours behind
today's cold frontal passage. Gusts are topping off around 30 mph
and should remain there overnight. 

Look for areas of blowing snow, icy roadways, and patchy fog
overnight through sunrise.

$$

Braun

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 4, 12:53 AM MSTHigh Wind WarningCYSAlbany, Carbon, Laramie, Platte12 hr
Jan 4, 3:16 AM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte16 hr
Jan 4, 3:43 AM MSTWinter Weather AdvisoryCYSAlbany, Carbon9 hr
Jan 4, 1:09 PM MSTWinter Storm WarningCYSAlbany, Carbon28 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.