Alert archive / Wyoming / High Wind Warnings in 2021

High Wind Warning 27, NWS Cheyenne, WY

May 22, 2021Albany County, Carbon County, Wyoming

NWS Cheyenne, WY issued this high wind warning at May 22, 2021, 5:36 PM MDT for Albany County, Carbon County, Wyoming. It was in force for 3 hr. 4 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: May 22, 2021, 5:36 PM MDT (23:36 UTC)
Expired: May 22, 2021, 9:00 PM MDT
In force: 3 hr
Issued by: NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 23:38 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

Time	Report	Where	Remark
May 22, 5:42 PM MDT	NON-TSTM WND GST 59	3 Ese Elk Mountain, WY	WYDOT SENSOR AT COUNTY ROAD 402.
May 22, 5:46 PM MDT	NON-TSTM WND GST 76	7 Nw Elk Mountain, WY	MESONET STATION WY18 HALLECK RIDGE (WYDOT).
May 22, 6:02 PM MDT	NON-TSTM WND GST 75	7 Nw Elk Mountain, WY	MESONET STATION WY18 HALLECK RIDGE (WYDOT).
May 22, 6:26 PM MDT	NON-TSTM WND GST 61	9 Wnw Elk Mountain, WY	WYDOT SENSOR AT MILE MARKER 249.

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, 11.6 hours before the alert went out and 230 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 540 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

744 
WWUS75 KCYS 222336
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
536 PM MDT Sat May 22 2021

WYZ110-230300-
/O.NEW.KCYS.HW.W.0027.210522T2336Z-210523T0300Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
536 PM MDT Sat May 22 2021

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

* WHAT...East winds 35 to 50 mph with gusts up to 70 mph.

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

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...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.

&&

$$

Rubin

1 follow-up statement

451 
WWUS75 KCYS 230233
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
833 PM MDT Sat May 22 2021

WYZ110-230345-
/O.EXP.KCYS.HW.W.0027.000000T0000Z-210523T0300Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
833 PM MDT Sat May 22 2021

...HIGH WIND WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

Strong east winds near the Arlington area have diminished late
this evening as rain showers and a few thunderstorms have
developed across the area. Will let the High Wind Warning expire
on time with occasional gusts of 35 to 45 mph possible over the
next hour or two.  

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:07 PM MDT	Special Weather Statement	CYS	Goshen	38 min
May 22, 3:46 PM MDT	Special Weather Statement	CYS	Laramie	44 min

Nearby

High Wind Warnings in Wyoming, 2021 Every 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.