Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 178, NWS Fort Worth, TX

May 21, 2013Falls County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 21, 2013, 5:40 PM CDT for Falls County, Texas. It was in force for 65 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 21, 2013, 5:40 PM CDT (22:40 UTC)
Expired: May 21, 2013, 6:45 PM CDT
In force: 65 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

County Falls County, TX

The radar

The Ft Hood radar (KGRK), 73 km from the middle of the area, began a volume at 22:44 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
May 21, 10:26 AM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.7 hours before the alert went out and 179 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: 1513 J/kg
Mixed-layer CIN: -271 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 316 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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 21, 3:27 PM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, May 21, 3:27 PM CDT, 2 hours 13 minutes before

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Hazardous weather outlook, May 21, 3:31 PM CDT, 2 hours 9 minutes before

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In the hours before

Special weather statement, May 21, 4:04 PM CDT, 1 hour 36 minutes before

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Local storm report, May 21, 4:25 PM CDT, 1 hour 15 minutes before

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Local storm report, May 21, 4:41 PM CDT, 59 minutes before

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Local storm report, May 21, 4:47 PM CDT, 53 minutes before

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Local storm report, May 21, 5:31 PM CDT, 9 minutes before

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Local storm report, May 21, 5:33 PM CDT, 7 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 20, 7:15 PM CDT	Severe Thunderstorm Warning	FWD	Montague	45 min
May 20, 7:44 PM CDT	Tornado Warning	FWD	Comanche, Hamilton, Mills	46 min
May 20, 8:27 PM CDT	Severe Thunderstorm Warning	FWD	Comanche	63 min
May 20, 8:29 PM CDT	Tornado Warning	FWD	Hamilton	61 min
May 20, 8:42 PM CDT	Areal Flood Warning	FWD	Mills	3 hr
May 20, 8:51 PM CDT	Severe Thunderstorm Warning	FWD	Hamilton, Mills	54 min
May 20, 9:25 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Mills	65 min
May 20, 9:31 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, Hamilton	44 min
May 20, 9:54 PM CDT	Tornado Warning	FWD	Coryell, Hamilton	36 min
May 20, 10:07 PM CDT	High Wind Warning	FWD	Anderson, Collin, Dallas, Denton, Ellis, Falls and 13 more	110 min
May 20, 10:10 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Coryell, Hamilton	65 min
May 20, 10:31 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, Hamilton, Lampasas, Mills	59 min
May 20, 10:41 PM CDT	Areal Flood Advisory	FWD	Hamilton	2 hr
May 20, 11:15 PM CDT	Areal Flood Advisory	FWD	Comanche	2 hr
May 20, 11:25 PM CDT	Severe Thunderstorm Warning	FWD	Coryell	50 min
May 20, 11:34 PM CDT	Areal Flood Warning	FWD	Mills	4 hr
May 21, 11:28 AM CDT	Special Weather Statement	FWD	Young	32 min
May 21, 12:00 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	60 min
May 21, 12:13 PM CDT	Special Weather Statement	FWD	Jack	32 min
May 21, 1:07 PM CDT	Special Weather Statement	FWD	Wise	23 min
May 21, 1:11 PM CDT	Special Weather Statement	FWD	Cooke	34 min
May 21, 1:15 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Wise	60 min
May 21, 1:26 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Wise	64 min
May 21, 1:44 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Grayson	61 min
May 21, 1:51 PM CDT	Special Weather Statement	FWD	Dallas, Tarrant	24 min
May 21, 1:52 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Tarrant	53 min
May 21, 2:11 PM CDT	Severe Thunderstorm Warning	FWD	Denton	19 min
May 21, 2:44 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Fannin, Grayson, Hunt, Rockwall	61 min
May 21, 2:51 PM CDT	Areal Flood Advisory	FWD	Dallas	4 hr
May 21, 2:58 PM CDT	Severe Thunderstorm Warning	FWD	Lamar	77 min
May 21, 3:18 PM CDT	Areal Flood Advisory	FWD	Collin, Grayson	3 hr
May 21, 3:26 PM CDT	Severe Thunderstorm Warning	FWD	Delta, Hopkins	79 min
May 21, 3:44 PM CDT	Areal Flood Advisory	FWD	Fannin	3 hr
May 21, 3:51 PM CDT	Severe Thunderstorm Warning	FWD	Bell	54 min
May 21, 4:04 PM CDT	Special Weather Statement	FWD	McLennan	26 min
May 21, 4:23 PM CDT	Severe Thunderstorm Warning	FWD	McLennan	67 min
May 21, 4:38 PM CDT	Areal Flood Advisory	FWD	Hunt, Kaufman, Rockwall	3 hr
May 21, 4:44 PM CDT	Severe Thunderstorm Warning	FWD	Bell	61 min
May 21, 4:52 PM CDT	Severe Thunderstorm Warning	FWD	Kaufman, Van Zandt	53 min
May 21, 5:13 PM CDT	Severe Thunderstorm Warning	FWD	Henderson	62 min
May 21, 5:54 PM CDT	Areal Flood Advisory	FWD	Bell	3 hr
May 21, 5:54 PM CDT	Special Weather Statement	FWD	Freestone	36 min
May 21, 6:13 PM CDT	Special Weather Statement	FWD	Anderson	32 min
May 21, 6:18 PM CDT	Special Weather Statement	FWD	Robertson	27 min
May 21, 6:31 PM CDT	Areal Flood Advisory	FWD	Henderson	3 hr
May 21, 6:38 PM CDT	Special Weather Statement	FWD	Robertson	37 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning in 2013

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.