Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 92, NWS Lubbock, TX

May 22, 2020Stonewall County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 22, 2020, 6:44 PM CDT for Stonewall County, Texas. It was in force for 61 min. 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 22, 2020, 6:44 PM CDT (23:44 UTC)
Expired: May 22, 2020, 7:45 PM CDT
In force: 61 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 2.0 in
Wind: 60.0 mph

County Stonewall County, TX

The radar

The Dyess AFB radar (KDYX), 117 km from the middle of the area, began a volume at 23:45 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

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 279 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: 580 J/kg
Mixed-layer CIN: -430 J/kg
Mixed-layer LCL: 1997 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 59 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 6:30 PM CDT, 14 minutes earlier.

Area forecast discussion, May 22, 6:30 PM CDT, 14 minutes before

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Hazardous weather outlook, May 22, 10:11 AM CDT, 8 hours 33 minutes before

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The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 7:15 PM CDT	Severe Thunderstorm Warning	LUB	Stonewall	45 min
May 21, 7:55 PM CDT	Severe Thunderstorm Warning	LUB	King, Stonewall	39 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Every severe thunderstorm warning in 2020

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.