Alert archive / Texas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 445, NWS Fort Worth, TX

September 21, 2025Cooke County, Denton County, Grayson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Sep 21, 2025, 5:03 PM CDT for Cooke County, Denton County, Grayson County, Texas. It was in force for 57 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: Sep 21, 2025, 5:03 PM CDT (22:03 UTC)
Expired: Sep 21, 2025, 6:00 PM CDT
In force: 57 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cooke County, TX, Denton County, TX, Grayson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 106 km from the middle of the area, began a volume at 22:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 21, 4:17 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.1 hours before the alert went out and 78 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: 705 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1183 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: 13 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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 21, 12:27 PM CDT, 4 hours 36 minutes earlier.

Area forecast discussion, Sep 21, 12:27 PM CDT, 4 hours 36 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 21, 4:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Young	59 min
Sep 21, 5:05 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Grayson	55 min
Sep 21, 5:10 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Young	45 min
Sep 21, 5:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Cooke, Montague, Wise	38 min
Sep 21, 5:25 PM CDT	Severe Thunderstorm Warning	FWD	Montague	29 min
Sep 21, 5:28 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	32 min
Sep 21, 5:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Cooke, Denton	59 min
Sep 21, 5:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Collin, Fannin, Grayson, Hunt	54 min
Sep 21, 6:05 PM CDT	Special Weather Statement	FWD	Wise	40 min
Sep 21, 6:18 PM CDT	Special Weather Statement	FWD	Comanche	42 min
Sep 21, 6:35 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Erath	40 min
Sep 21, 6:41 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Denton, Tarrant	26 min
Sep 21, 6:44 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Hunt	16 min

Nearby

Severe Thunderstorm Warnings in Texas, 2025 Every severe thunderstorm warning in 2025

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.