Alert archive / Wyoming / High Wind Watches in 2023

High Wind Watch 34, NWS Cheyenne, WY

March 29, 20234 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Mar 29, 2023, 2:34 AM MDT for 4 counties in Wyoming. It took effect at Mar 30, 2023, 9:00 AM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Mar 29, 2023, 2:34 AM MDT (08:34 UTC)
In effect from: Mar 30, 2023, 9:00 AM MDT
Expired: Mar 30, 2023, 6:00 PM MDT
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 08:37 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, 8.6 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: 2922 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 367 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 Mar 28, 10:09 PM MDT, 4 hours 25 minutes earlier.

Area forecast discussion, Mar 28, 10:09 PM MDT, 4 hours 25 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
Mar 29, 2:36 AM MDT	Winter Storm Watch	CYS	Carbon	11 hr
Mar 29, 1:54 PM MDT	Winter Storm Warning	CYS	Carbon	53 hr

Nearby

High Wind Watches in Wyoming, 2023 Every high wind watch in 2023

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.