Alert archive / Wyoming / High Wind Warnings in 2021

High Wind Warning 6, NWS Cheyenne, WY

January 15, 2021Albany County, Laramie County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 15, 2021, 10:03 AM MST for Albany County, Laramie County, Wyoming. It was in force for 7 hr. 3 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 15, 2021, 10:03 AM MST (17:03 UTC)
Expired
Jan 15, 2021, 5:00 PM MST
In force
7 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 50 km from the middle of the area, began a volume at 17:08 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 15, 10:06 AM MSTNON-TSTM WND GST 6012 Wsw Warren Af Base, WYMESONET STATION WY38 ALONG INTERSTATE 80 AT OTTO ROAD (WYDOT).
Jan 15, 10:35 AM MSTNON-TSTM WND GST 581 Nw Cheyenne, WYASOS STATION KCYS CHEYENNE AIRPORT.
Jan 15, 12:36 PM MSTNON-TSTM WND GST 611 Ene Buford, WYMESONET STATION WY37 BUFORD EAST ALONG INTERSTATE 80 (WYDOT).

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

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 5.1 hours before the alert went out and 245 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, Denver, CO at 12:00Z on 2021-01-15Temperature 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, Denver, CO at 12:00Z on 2021-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.1939587897117136Sfc1 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
2264 m above ground
0-6 km bulk shear
119 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
741 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

405 
WWUS75 KCYS 151703
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1003 AM MST Fri Jan 15 2021

WYZ116-117-160000-
/O.NEW.KCYS.HW.W.0006.210115T1703Z-210116T0000Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
1003 AM MST Fri Jan 15 2021

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

* WHAT...Northwest winds 35 to 45 MPH with gusts to 65 MPH. 

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

* WHEN...Until 5 PM MST 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. 

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.

&&

$$

WYZ110-160000-
/O.CON.KCYS.HW.W.0005.000000T0000Z-210116T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1003 AM MST Fri Jan 15 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 35 to 45 mph with gusts up to 60 mph.

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

* WHEN...Until 5 PM MST 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 along Interstate 80 between Laramie and
  Rawlins.

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.

&&

$$

NEZ002-003-019>021-054-055-095-096-WYZ102-108-119-151815-
/O.CON.KCYS.HW.W.0005.000000T0000Z-210115T1800Z/
Dawes-Box Butte-Scotts Bluff County-Banner County-Morrill-
Kimball County-Cheyenne-North Sioux-South Sioux-Niobrara County-
Goshen County-East Laramie County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Scottsbluff, Gering, Harrisburg, Angora, Bridgeport, Bayard, 
Redington, Kimball, Brownson, Sidney, Harrison, Agate, Lusk, 
Redbird, Torrington, and Pine Bluffs
1003 AM MST Fri Jan 15 2021

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

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

* WHERE...North Sioux, South Sioux, Kimball, Cheyenne, Morrill, 
  Banner, Box Butte, Dawes and Scotts Bluff Counties including 
  Alliance, Chadron, Kimball, Scottsbluff and Sidney.

* WHEN...Until 11 AM MST Friday.

* 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...

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.

&&

$$
2 follow-up statements
784 
WWUS75 KCYS 151734
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1034 AM MST Fri Jan 15 2021

NEZ002-003-019>021-095-096-WYZ102-108-151845-
/O.CAN.KCYS.HW.W.0005.000000T0000Z-210115T1800Z/
Dawes-Box Butte-Scotts Bluff County-Banner County-Morrill-
North Sioux-South Sioux-Niobrara County-Goshen County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Scottsbluff, Gering, Harrisburg, Angora, Bridgeport, Bayard, 
Redington, Harrison, Agate, Lusk, Redbird, and Torrington
1034 AM MST Fri Jan 15 2021

...HIGH WIND WARNING IS CANCELLED...

Wind gusts up to 55 MPH will still be possible through this
afternoon. 

$$

WYZ118-160000-
/O.EXA.KCYS.HW.W.0006.000000T0000Z-210116T0000Z/
Central Laramie County-
Including the city of Cheyenne
1034 AM MST Fri Jan 15 2021

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

* WHAT...Northwest winds 35 to 45 MPH with gusts to 60 MPH.

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

* WHEN...Until 5 PM MST 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 west to east oriented
  roads.

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.

&&

$$

NEZ054-055-WYZ119-160000-
/O.EXT.KCYS.HW.W.0005.000000T0000Z-210116T0000Z/
Kimball County-Cheyenne-East Laramie County-
Including the cities of Kimball, Brownson, Sidney, 
and Pine Bluffs
1034 AM MST Fri Jan 15 2021

...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

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

* WHERE...Interstate 80 corridor between Cheyenne Wyoming and
  Sidney Nebraska. 

* WHEN...Until 5 PM MST 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 west to east oriented
  roads. 

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.

&&

$$

WYZ116-117-160000-
/O.CON.KCYS.HW.W.0006.000000T0000Z-210116T0000Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
1034 AM MST Fri Jan 15 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Northwest winds 35 to 45 MPH with gusts to 65 MPH.

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

* WHEN...Until 5 PM MST 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 west to east oriented
  roads.

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.

&&

$$

WYZ110-160000-
/O.CON.KCYS.HW.W.0005.000000T0000Z-210116T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1034 AM MST Fri Jan 15 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 35 to 45 mph with gusts up to 60 mph.

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

* WHEN...Until 5 PM MST 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 along Interstate 80 between Laramie and 
  Rawlins.

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
485 
WWUS75 KCYS 152349
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
449 PM MST Fri Jan 15 2021

WYZ116-117-160100-
/O.EXP.KCYS.HW.W.0006.000000T0000Z-210116T0000Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
449 PM MST Fri Jan 15 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

Winds continue to ease late this afternoon and are expected to
continue easing this evening. The High Wind Warning will be
allowed to expire on time at 5 PM this afternoon. Wind gusts to 
50 mph will still be possible through 8PM...but warning level 
winds are no longer expected.

$$

WYZ110-160100-
/O.EXP.KCYS.HW.W.0005.000000T0000Z-210116T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
449 PM MST Fri Jan 15 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

Winds continue to ease late this afternoon and are expected to
continue easing this evening. The High Wind Warning will be
allowed to expire on time at 5 PM this afternoon. Wind gusts to 
50 mph will still be possible through 8PM...but warning level 
winds are no longer expected.

$$

NEZ054-055-WYZ119-160100-
/O.EXP.KCYS.HW.W.0005.000000T0000Z-210116T0000Z/
Kimball County-Cheyenne-East Laramie County-
Including the cities of Kimball, Brownson, Sidney, 
and Pine Bluffs
449 PM MST Fri Jan 15 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

Winds continue to ease late this afternoon and are expected to
continue easing this evening. The High Wind Warning will be
allowed to expire on time at 5 PM this afternoon. Wind gusts to 
40 mph will still be possible through 8PM...but warning level 
winds are no longer expected.

$$

WYZ118-160100-
/O.EXP.KCYS.HW.W.0006.000000T0000Z-210116T0000Z/
Central Laramie County-
Including the city of Cheyenne
449 PM MST Fri Jan 15 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

Winds continue to ease late this afternoon and are expected to
continue easing this evening. The High Wind Warning will be
allowed to expire on time at 5 PM this afternoon. Wind gusts to 
40 mph will still be possible through 8PM...but warning level 
winds are no longer expected.

$$

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.