Alert archive / Wyoming / High Wind Watches in 2022

High Wind Watch 43, NWS Cheyenne, WY

October 20, 20224 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Oct 20, 2022, 1:32 PM MDT for 4 counties in Wyoming. It took effect at Oct 21, 2022, 12:00 PM MDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 20, 2022, 1:32 PM MDT (19:32 UTC)
In effect from
Oct 21, 2022, 12:00 PM MDT
Expired
Oct 20, 2022, 8:56 PM MDT
In force
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 19:33 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

Grand Junction, CO (KGJT), launched 12:00Z, 7.5 hours before the alert went out and 378 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, Grand Junction, CO at 12:00Z on 2022-10-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Grand Junction, CO at 12:00Z on 2022-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 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
2739 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this high wind watch went out at Oct 20, 11:34 AM MDT, 1 hour 58 minutes earlier.

Area forecast discussion, Oct 20, 11:34 AM MDT, 1 hour 58 minutes before
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Hazardous weather outlook, Oct 20, 5:00 AM MDT, 8 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Cheyenne WY
500 AM MDT Thu Oct 20 2022

NEZ002-003-019>021-054-055-095-096-211100-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
500 AM MDT Thu Oct 20 2022

This hazardous weather outlook is for portions of panhandle
Nebraska.

.DAY ONE...TODAY AND TONIGHT

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Fire Weather Watch in effect Friday afternoon. Fire Weather
concerns possible Saturday. Pattern change Sunday with windier,
cooler, and wetter weather possible.

.Spotter information statement...

Spotter activation will not be needed.

WYZ101>119-211100-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
500 AM MDT Thu Oct 20 2022

This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Red Flag Warning in effect for most of southeast Wyoming this
afternoon.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Fire Weather Watch in effect Friday afternoon. Fire Weather
concerns possible Saturday. Pattern change Sunday with strong
winds, cooler, and wetter weather possible.

.Spotter information statement...

Spotter activation will not be needed.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 20, 2:38 AM MDTFire Weather WatchCYSAlbany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more17 hr

Nearby

High Wind Watches in Wyoming, 2022Every high wind watch in 2022

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.