Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 124, NWS Fort Worth, TX

May 25, 2018Comanche County, Mills County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 25, 2018, 7:17 PM CDT for Comanche County, Mills County, Texas. It was in force for 58 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 25, 2018, 7:17 PM CDT (00:17 UTC)
Expired: May 25, 2018, 8:15 PM CDT
In force: 58 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 2.0 in
Wind: 60.0 mph

Counties Comanche County, TX, Mills County, TX

The radar

The Dyess AFB radar (KDYX), 111 km from the middle of the area, began a volume at 00:16 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 00:00Z, 0.3 hours before the alert went out and 173 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: 21 J/kg
Mixed-layer CIN: -543 J/kg
Mixed-layer LCL: 2168 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 399 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 May 25, 3:03 PM CDT, 4 hours 14 minutes earlier.

Area forecast discussion, May 25, 3:03 PM CDT, 4 hours 14 minutes before

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Hazardous weather outlook, May 25, 3:41 PM CDT, 3 hours 36 minutes before

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In the hours before

Local storm report, May 25, 5:19 PM CDT, 1 hour 58 minutes before

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Local storm report, May 25, 5:21 PM CDT, 1 hour 56 minutes before

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Local storm report, May 25, 5:23 PM CDT, 1 hour 54 minutes before

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Local storm report, May 25, 5:30 PM CDT, 1 hour 47 minutes before

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Local storm report, May 25, 5:51 PM CDT, 1 hour 26 minutes before

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Local storm report, May 25, 6:41 PM CDT, 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
May 25, 8:08 PM CDT	Severe Thunderstorm Warning	FWD	Mills	52 min
May 25, 10:07 PM CDT	Special Weather Statement	FWD	Palo Pinto, Stephens, Young	38 min
May 25, 10:52 PM CDT	Special Weather Statement	FWD	Eastland, Palo Pinto, Stephens	23 min
May 25, 11:12 PM CDT	Special Weather Statement	FWD	Eastland	33 min
May 25, 11:36 PM CDT	Special Weather Statement	FWD	Erath	24 min
May 26, 12:07 AM CDT	Special Weather Statement	FWD	Somervell	38 min
May 26, 12:31 AM CDT	Special Weather Statement	FWD	Comanche, Eastland, Erath	44 min

Nearby

Severe Thunderstorm Warnings in Texas, 2018 Every severe thunderstorm warning in 2018

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.