Alert archive / Wyoming / High Wind Watches in 2022

High Wind Watch 65, NWS Cheyenne, WY

December 29, 20224 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Dec 29, 2022, 2:53 AM MST for 4 counties in Wyoming. It took effect at Dec 29, 2022, 5:00 PM MST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Dec 29, 2022, 2:53 AM MST (09:53 UTC)
In effect from: Dec 29, 2022, 5:00 PM MST
Expired: Dec 30, 2022, 2:24 AM MST
In force: 9 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 09:52 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 00:00Z, 9.9 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-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: 1335 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -56 m²/s²
0-3 km storm-relative helicity: 24 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 Dec 28, 10:29 PM MST, 4 hours 24 minutes earlier.

Area forecast discussion, Dec 28, 10:29 PM MST, 4 hours 24 minutes before

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Hazardous weather outlook, Dec 28, 1:59 PM MST, 12 hours 54 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 29, 2:59 AM MST	Winter Storm Watch	CYS	Albany, Carbon	11 hr
Dec 29, 1:44 PM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	56 hr
Dec 29, 1:56 PM MST	Winter Storm Warning	CYS	Albany, Carbon, Converse, Platte	4 days

Nearby

High Wind Watches in Wyoming, 2022 Every 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.