Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 159, NWS Houston/Galveston, TX

November 28, 2001Liberty County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Nov 28, 2001, 1:55 PM CST for Liberty County, Texas. It was in force for 60 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 28, 2001, 1:55 PM CST (19:55 UTC)
Expired
Nov 28, 2001, 2:55 PM CST
In force
60 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Liberty County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.9 hours before the alert went out and 155 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, Lake Charles Mun, LA at 12:00Z on 2001-11-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1980 joules per kilogram.LCLEL10008507005003002001001 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, Lake Charles Mun, LA at 12:00Z on 2001-11-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 square meters per square second.19395878Sfc1 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
1980 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
2.9
Supercell composite
10.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Nov 28, 9:35 AM CST, 4 hours 20 minutes earlier.

Area forecast discussion, Nov 28, 9:35 AM CST, 4 hours 20 minutes before
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In the hours before

Special weather statement, Nov 28, 10:54 AM CST, 3 hours 1 minute before
<!doctype html>
<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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    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 6:37 PM CSTSpecial Marine WarningHGX2 hr
Nov 27, 6:37 PM CSTSpecial Marine WarningHGX2 hr
Nov 27, 8:20 PM CSTTornado WarningHGXChambers25 min
Nov 27, 9:00 PM CSTSpecial Marine WarningHGX2 hr
Nov 27, 9:00 PM CSTSpecial Marine WarningHGX2 hr
Nov 27, 9:00 PM CSTSpecial Marine WarningHGX2 hr
Nov 27, 10:55 PM CSTSpecial Marine WarningHGX2 hr
Nov 27, 10:55 PM CSTSpecial Marine WarningHGX2 hr
Nov 28, 12:55 AM CSTSpecial Marine WarningHGX2 hr
Nov 28, 12:55 AM CSTSpecial Marine WarningHGX2 hr
Nov 28, 2:28 AM CSTSevere Thunderstorm WarningHGXBrazos, Grimes47 min
Nov 28, 2:31 AM CSTSevere Thunderstorm WarningHGXHouston, Madison44 min
Nov 28, 1:25 PM CSTSpecial Marine WarningHGX65 min
Nov 28, 1:25 PM CSTSpecial Marine WarningHGX65 min
Nov 28, 1:55 PM CSTSevere Thunderstorm WarningHGXChambers, Galveston60 min
Nov 28, 4:33 PM CSTSevere Thunderstorm WarningHGXGalveston27 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001

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.