Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 27, NWS Fort Worth, TX

March 21, 2005Leon County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 21, 2005, 7:10 AM CST for Leon County, Texas. It was in force for 35 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: Mar 21, 2005, 7:10 AM CST (13:10 UTC)
Expired: Mar 21, 2005, 7:45 AM CST
In force: 35 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Leon County, TX

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 1.2 hours before the alert went out and 250 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 481 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 204 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 Mar 21, 3:07 AM CST, 4 hours 3 minutes earlier.

Area forecast discussion, Mar 21, 3:07 AM CST, 4 hours 3 minutes before

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Hazardous weather outlook, Mar 21, 6:46 AM CST, 24 minutes before

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In the hours before

Local storm report, Mar 21, 4:25 AM CST, 2 hours 45 minutes before

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Special weather statement, Mar 21, 6:13 AM CST, 57 minutes before

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Special weather statement, Mar 21, 6:22 AM CST, 48 minutes before

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Special weather statement, Mar 21, 6:42 AM CST, 28 minutes before

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Special weather statement, Mar 21, 7:01 AM CST, 9 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
Mar 21, 4:18 AM CST	Severe Thunderstorm Warning	FWD	Bosque, Erath, Somervell	42 min
Mar 21, 4:42 AM CST	Severe Thunderstorm Warning	FWD	Hill	33 min
Mar 21, 4:52 AM CST	Severe Thunderstorm Warning	FWD	Dallas, Tarrant	23 min
Mar 21, 5:03 AM CST	Severe Thunderstorm Warning	FWD	Hamilton	57 min
Mar 21, 5:46 AM CST	Severe Thunderstorm Warning	FWD	Hill	44 min
Mar 21, 6:44 AM CST	Severe Thunderstorm Warning	FWD	Freestone	46 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005 Every severe thunderstorm warning in 2005

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.