Alert archive / Wyoming / High Wind Watches in 2022

High Wind Watch 29, NWS Cheyenne, WY

April 9, 20224 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Apr 9, 2022, 3:21 PM MDT for 4 counties in Wyoming. It took effect at Apr 10, 2022, 3:00 AM MDT. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
Apr 9, 2022, 3:21 PM MDT (21:21 UTC)
In effect from
Apr 10, 2022, 3:00 AM MDT
Expired
Apr 10, 2022, 3:18 AM MDT
In force
18 min
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 21:22 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

Denver, CO (KDNR), launched 12:00Z, 9.4 hours before the alert went out and 283 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 2022-04-09Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2022-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
3501 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
228 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 Apr 9, 12:09 PM MDT, 3 hours 12 minutes earlier.

Area forecast discussion, Apr 9, 12:09 PM MDT, 3 hours 12 minutes before
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Hazardous weather outlook, Apr 9, 3:36 AM MDT, 11 hours 45 minutes before
Hazardous Weather Outlook
National Weather Service Cheyenne WY
336 AM MDT Sat Apr 9 2022

NEZ002-003-019>021-054-055-095-096-WYZ101>119-100945-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
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-
336 AM MDT Sat Apr 9 2022

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

.DAY ONE...TODAY AND TONIGHT

No hazardous weather is expected at this time. Elevated fire
weather conditions will exist across portions of far southeast
Wyoming as well as southwest Nebraska due to lower humidity and
gusty winds.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

The probability for widespread hazardous weather is low.
Precipitation will return to the region from Sunday through
Wednesday however widespread impactful winter weather appears
unlikely outside of mountainous terrain.

.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
Apr 9, 3:50 PM MDTWinter Weather AdvisoryCYSConverse, Niobrara20 hr
Apr 9, 11:52 AM MDTRed Flag WarningCYSBanner, Cheyenne, Kimball6 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.