Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 280, NWS Fort Worth, TX

May 9, 2008Lampasas County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 9, 2008, 7:37 PM CDT for Lampasas County, Texas. It was in force for 53 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 9, 2008, 7:37 PM CDT (00:37 UTC)
Expired
May 9, 2008, 8:30 PM CDT
In force
53 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Lampasas County, TX

The radar

The Ft Hood radar (KGRK), 97 km from the middle of the area, began a volume at 00:38 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, 0.6 hours before the alert went out and 203 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-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2008-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2008-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
7 J/kg
Mixed-layer CIN
-351 J/kg
Mixed-layer LCL
1895 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
104 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 May 9, 6:05 PM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, May 9, 6:05 PM CDT, 1 hour 32 minutes before
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Hazardous weather outlook, May 9, 2:49 PM CDT, 4 hours 48 minutes before
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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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  <script src="index.js"></script>
</body>
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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 8:12 PM CDTSpecial Weather StatementFWDCoryell33 min
May 9, 8:21 PM CDTSevere Thunderstorm WarningFWDCoryell, Lampasas54 min
May 9, 9:03 PM CDTSevere Thunderstorm WarningFWDBosque, Coryell, McLennan57 min
May 9, 9:23 PM CDTSpecial Weather StatementFWDWilliamson37 min
May 9, 9:54 PM CDTSevere Thunderstorm WarningFWDMcLennan34 min
May 9, 10:21 PM CDTSpecial Weather StatementFWDLimestone24 min
May 10, 5:13 PM CDTSpecial Weather StatementFWDDallas32 min
May 10, 5:45 PM CDTSpecial Weather StatementFWDDallas30 min
May 10, 5:52 PM CDTSevere Thunderstorm WarningFWDDallas29 min
May 10, 6:04 PM CDTSpecial Weather StatementFWDRockwall26 min
May 10, 6:17 PM CDTSpecial Weather StatementFWDKaufman28 min
May 10, 6:33 PM CDTSpecial Weather StatementFWDGrayson27 min
May 10, 6:42 PM CDTSpecial Weather StatementFWDKaufman33 min
May 10, 6:57 PM CDTSpecial Weather StatementFWDFannin33 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

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.