Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 26, NWS Fort Worth, TX

March 20, 2006Leon County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 20, 2006, 8:52 AM CST for Leon County, Texas. It was in force for 23 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 20, 2006, 8:52 AM CST (14:52 UTC)
Expired: Mar 20, 2006, 9:15 AM CST
In force: 23 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Leon County, TX

The radar

The Ft Hood radar (KGRK), 147 km from the middle of the area, began a volume at 14:55 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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.9 hours before the alert went out and 298 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: 175 J/kg
Mixed-layer CIN: -190 J/kg
Mixed-layer LCL: 896 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 216 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 20, 5:56 AM CST, 2 hours 56 minutes earlier.

Area forecast discussion, Mar 20, 5:56 AM CST, 2 hours 56 minutes before

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Hazardous weather outlook, Mar 20, 6:00 AM CST, 2 hours 52 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 19, 6:11 PM CST	Flash Flood Warning	FWD	Fannin, Hunt	3 hr
Mar 19, 6:23 PM CST	Flash Flood Warning	FWD	Dallas	2 hr
Mar 19, 7:25 PM CST	Flash Flood Warning	FWD	Collin, Rockwall	3 hr
Mar 19, 8:26 PM CST	Flash Flood Warning	FWD	Dallas, Ellis, Johnson, Tarrant	3 hr
Mar 19, 9:30 PM CST	Flash Flood Warning	FWD	Lamar	3 hr
Mar 19, 10:29 PM CST	Flash Flood Warning	FWD	Kaufman	3 hr
Mar 19, 11:27 PM CST	Flash Flood Warning	FWD	Dallas, Ellis	3 hr
Mar 19, 11:55 PM CST	Flash Flood Warning	FWD	Hunt	3 hr
Mar 20, 12:24 AM CST	Flash Flood Warning	FWD	Lamar	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2006 Every severe thunderstorm warning in 2006

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.