Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 11, NWS Houston/Galveston, TX

March 13, 2007Fort Bend County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 13, 2007, 8:23 PM CDT for Fort Bend County, Texas. It was in force for 52 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 13, 2007, 8:23 PM CDT (01:23 UTC)
Expired
Mar 13, 2007, 9:15 PM CDT
In force
52 min
Issued by
NWS Houston/Galveston, TX
Area
Counties, with a storm outline in the text

County Fort Bend County, TX

The radar

The Houston radar (KHGX), 67 km from the middle of the area, began a volume at 01:25 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.

IssuedProductOfficeLasted
Mar 13, 6:40 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 1.4 hours before the alert went out and 252 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, Corpus Christi, TX at 00:00Z on 2007-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 440 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, Corpus Christi, TX at 00:00Z on 2007-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 square meters per square second.193958Sfc1 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
440 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 13, 6:51 PM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, Mar 13, 6:51 PM CDT, 1 hour 32 minutes before
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Hazardous weather outlook, Mar 13, 4:00 PM CDT, 4 hours 23 minutes before
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  <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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The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 13, 7:29 PM CDTSevere Thunderstorm WarningHGXColorado, Wharton31 min
Mar 13, 9:17 PM CDTSevere Thunderstorm WarningHGXFort Bend, Harris43 min
Mar 13, 10:02 PM CDTTornado WarningHGXHarris, Montgomery28 min
Mar 13, 10:12 PM CDTSpecial Marine WarningHGX63 min
Mar 13, 10:16 PM CDTSpecial Marine WarningHGX119 min
Mar 14, 12:51 AM CDTSpecial Marine WarningHGX114 min
Mar 14, 1:50 AM CDTSpecial Marine WarningHGX85 min
Mar 14, 2:59 AM CDTSpecial Marine WarningHGX91 min
Mar 14, 9:37 AM CDTSevere Thunderstorm WarningHGXJackson, Wharton38 min
Mar 14, 10:05 AM CDTSevere Thunderstorm WarningHGXBrazoria40 min
Mar 14, 10:17 AM CDTSevere Thunderstorm WarningHGXColorado, Wharton43 min
Mar 14, 10:33 AM CDTSpecial Marine WarningHGX57 min
Mar 14, 10:41 AM CDTSevere Thunderstorm WarningHGXBrazoria49 min
Mar 14, 10:53 AM CDTSevere Thunderstorm WarningHGXBrazoria, Galveston, Harris37 min
Mar 14, 11:26 AM CDTSevere Thunderstorm WarningHGXBrazoria, Galveston34 min
Mar 14, 11:30 AM CDTSpecial Marine WarningHGX45 min
Mar 14, 11:38 AM CDTSevere Thunderstorm WarningHGXWashington52 min
Mar 14, 11:41 AM CDTSevere Thunderstorm WarningHGXBrazoria34 min
Mar 14, 12:01 PM CDTSpecial Marine WarningHGX59 min
Mar 14, 12:15 PM CDTSpecial Marine WarningHGX90 min
Mar 14, 12:26 PM CDTSevere Thunderstorm WarningHGXBrazoria, Matagorda34 min
Mar 14, 12:34 PM CDTSevere Thunderstorm WarningHGXAustin, Waller, Washington56 min
Mar 14, 12:44 PM CDTSevere Thunderstorm WarningHGXBrazos, Grimes31 min
Mar 14, 1:03 PM CDTSpecial Marine WarningHGX117 min
Mar 14, 1:23 PM CDTSevere Thunderstorm WarningHGXFort Bend37 min
Mar 14, 2:20 PM CDTSpecial Marine WarningHGX55 min
Mar 14, 2:27 PM CDTSpecial Marine WarningHGX93 min
Mar 14, 2:56 PM CDTSevere Thunderstorm WarningHGXBrazoria, Harris49 min
Mar 14, 3:12 PM CDTSevere Thunderstorm WarningHGXChambers48 min
Mar 14, 3:20 PM CDTSpecial Marine WarningHGX85 min
Mar 14, 4:39 PM CDTSpecial Marine WarningHGX96 min
Mar 14, 4:45 PM CDTSevere Thunderstorm WarningHGXBrazoria, Galveston, Harris45 min
Mar 14, 5:07 PM CDTSevere Thunderstorm WarningHGXChambers, Galveston53 min
Mar 14, 6:02 PM CDTSpecial Marine WarningHGX88 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning in 2007

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.