Alert archive / Wyoming / High Wind Warnings in 2022

High Wind Warning 11, NWS Riverton, WY

May 11, 2022Fremont County, Natrona County, Sweetwater County, Wyoming

NWS Riverton, WY issued this high wind warning at May 11, 2022, 2:22 PM MDT for Fremont County, Natrona County, Sweetwater County, Wyoming. It took effect at May 12, 2022, 8:00 AM MDT. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 11, 2022, 2:22 PM MDT (20:22 UTC)
In effect from: May 12, 2022, 8:00 AM MDT
Expired: May 12, 2022, 6:00 PM MDT
In force: 10 hr
Issued by: NWS Riverton, WY

Counties Fremont County, WY, Natrona County, WY, Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 65 km from the middle of the area, began a volume at 20:27 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

Riverton, WY (KRIW), launched 12:00Z, 8.4 hours before the alert went out and 62 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: 4082 m above ground
0-6 km bulk shear: 106 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 375 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before this high wind warning went out at May 10, 4:40 PM MDT, 21 hours 42 minutes earlier.

Area forecast discussion, May 10, 4:40 PM MDT, 21 hours 42 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 2:22 AM MDT	High Wind Watch	RIW	Fremont, Natrona, Sweetwater	12 hr

Nearby

High Wind Warnings in Wyoming, 2022 Every high wind warning 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.