Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 69, NWS Houston/Galveston, TX

April 20, 1995Walker County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 20, 1995, 11:40 AM CDT for Walker County, Texas. It was in force for 14 min.

The area

The counties it named.

The facts

Issued: Apr 20, 1995, 11:40 AM CDT (16:40 UTC)
Expired: Apr 20, 1995, 11:54 AM CDT
In force: 14 min
Issued by: NWS Houston/Galveston, TX
Area: Whole counties

County Walker County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 4.7 hours before the alert went out and 238 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: 1413 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 170 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 9.3

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 Apr 20, 9:43 AM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Apr 20, 9:43 AM CDT, 1 hour 57 minutes before

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In the hours before

Special weather statement, Apr 20, 5:43 AM CDT, 5 hours 57 minutes before

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  <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.
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      <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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Special weather statement, Apr 20, 10:05 AM CDT, 1 hour 35 minutes before

TXZ198-163-199-179-178-164-197-041-051-313-202200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
1004 AM CDT THU APR 20 1995

NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PORTIONS OF
SOUTHEAST TEXAS FROM 945 AM THIS THURDAY MORNING UNTIL 4 PM THIS
AFTERNOON.

THE FOLLOWING COUNTIES ARE WITHIN THE WATCH AREA:  HOUSTON  TRINITY
BRAZOS  BURLESON  ROBERTSON  WASHINGTON  GRIMES  JASPER  MADISON
MONTGOMERY  NEWTON  POLK  SVAN JACINTO  TYLER AND WALKER.

REMEMBER,  A WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADO FORMATION.
PERSONS WITHIN THE WATCH AREA SHOULD REMAIN ALERT AND SEEK SHELTER IF
THREATENING WEATHER APPROACHES.

Local storm report, Apr 20, 11:07 AM CDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON TX
1105 AM CDT THU APR 20 1995

TIME(CDT)  .....CITY LOCATION.....   STATE    ...EVENT/REMARKS...
           ....COUNTY LOCATION....

944 AM     RIVERSIDE                 TX   GOLF BALL HAIL
04/20/95   WALKER                         VIL 62

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 2:07 AM CDT	Severe Thunderstorm Warning	HGX	Brazos	68 min
Apr 20, 2:43 AM CDT	Severe Thunderstorm Warning	HGX	Grimes	62 min
Apr 20, 9:37 AM CDT	Severe Thunderstorm Warning	HGX	Trinity	68 min
Apr 20, 9:37 AM CDT	Severe Thunderstorm Warning	HGX	Walker	63 min
Apr 20, 1:31 PM CDT	Severe Thunderstorm Warning	HGX	Montgomery, Waller	59 min
Apr 20, 2:40 PM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Harris	65 min
Apr 20, 2:45 PM CDT	Severe Thunderstorm Warning	HGX	Polk, San Jacinto	60 min
Apr 20, 3:07 PM CDT	Tornado Warning	HGX	Chambers, Harris	67 min
Apr 20, 3:21 PM CDT	Tornado Warning	HGX	Liberty	53 min
Apr 20, 3:36 PM CDT	Severe Thunderstorm Warning	HGX	Polk, San Jacinto	69 min
Apr 20, 4:36 PM CDT	Severe Thunderstorm Warning	HGX	Trinity	31 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995 Every severe thunderstorm warning in 1995

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.