Alert archive / Texas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 385, NWS Fort Worth, TX

November 20, 2004Coryell County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Nov 20, 2004, 3:43 PM CST for Coryell County, Texas. It was in force for 62 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: Nov 20, 2004, 3:43 PM CST (21:43 UTC)
Expired: Nov 20, 2004, 4:45 PM CST
In force: 62 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Coryell County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.7 hours before the alert went out and 167 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: 36 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 895 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 91 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 Nov 20, 2:02 PM CST, 1 hour 41 minutes earlier.

Area forecast discussion, Nov 20, 2:02 PM CST, 1 hour 41 minutes before

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In the hours before

Special weather statement, Nov 20, 2:14 PM CST, 1 hour 29 minutes before

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Nearby

Severe Thunderstorm Warnings in Texas, 2004 Every severe thunderstorm warning in 2004

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.