Alert archive / Texas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 191, NWS Fort Worth, TX

July 21, 2022Jack County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 21, 2022, 5:12 PM CDT for Jack County, Texas. It was in force for 34 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
Jul 21, 2022, 5:12 PM CDT (22:12 UTC)
Expired
Jul 21, 2022, 5:46 PM CDT
In force
34 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Jack County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 109 km from the middle of the area, began a volume at 22:15 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

Norman, OK (KOUN), launched 12:00Z, 10.2 hours before the alert went out and 232 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, Norman, OK at 12:00Z on 2022-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1292 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2022-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939Sfc1 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
1292 J/kg
Mixed-layer CIN
-213 J/kg
Mixed-layer LCL
1825 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 7:27 PM CDTSevere Thunderstorm WarningFWDEastland, Palo Pinto, Stephens24 min
Jul 20, 7:31 PM CDTSpecial Weather StatementFWDGrayson44 min
Jul 20, 8:55 PM CDTHeat AdvisoryFWDAnderson, Bell, Falls, Freestone, Henderson, Leon and 5 more24 hr
Jul 21, 4:38 PM CDTSpecial Weather StatementFWDJack22 min
Jul 21, 5:03 PM CDTSpecial Weather StatementFWDJack42 min
Jul 21, 5:09 PM CDTSpecial Weather StatementFWDStephens51 min
Jul 21, 5:31 PM CDTSevere Thunderstorm WarningFWDStephens, Young44 min
Jul 21, 6:13 PM CDTSpecial Weather StatementFWDYoung47 min

Nearby

Severe Thunderstorm Warnings in Texas, 2022Every severe thunderstorm 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.