Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 165, NWS Houston/Galveston, TX

July 6, 1997Brazos County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jul 6, 1997, 2:18 AM CDT for Brazos County, Texas. It was in force for 57 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 6, 1997, 2:18 AM CDT (07:18 UTC)
Expired
Jul 6, 1997, 3:15 AM CDT
In force
57 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Brazos County, TX

What was reported inside it

TimeReportWhereRemark
Jul 6, 2:21 AM CDTHail 1.25College Station, TXQuarter size hail at University & HWY 6.
Jul 6, 2:40 AM CDTHail 1.5College Station, TXGolfball hail between College Station and Bryan.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.3 hours before the alert went out and 304 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 00:00Z on 1997-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2356 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 00:00Z on 1997-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 square meters per square second.1939Sfc1 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
2356 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1568 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

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 Jul 5, 7:50 PM CDT, 6 hours 28 minutes earlier.

Area forecast discussion, Jul 5, 7:50 PM CDT, 6 hours 28 minutes 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.
      </p>
    </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
Jul 6, 12:48 PM CDTSevere Thunderstorm WarningHGXHarris57 min
Jul 6, 1:13 PM CDTSevere Thunderstorm WarningHGXLiberty62 min
Jul 6, 1:45 PM CDTSevere Thunderstorm WarningHGXSan Jacinto, Trinity60 min
Jul 6, 2:45 PM CDTFlash Flood WarningHGXPolk, San Jacinto, Trinity3 hr
Jul 6, 5:33 PM CDTSevere Thunderstorm WarningHGXMontgomery42 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.