Alert archive / Texas / Tornado Warnings in 1987

Tornado Warning 12, NWS Houston/Galveston, TX

November 16, 1987Chambers County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Nov 16, 1987, 9:08 AM CST for Chambers County, Texas. It was in force for 30 min.

The area

The counties it named.

The facts

Issued: Nov 16, 1987, 9:08 AM CST (15:08 UTC)
Expired: Nov 16, 1987, 9:38 AM CST
In force: 30 min
Issued by: NWS Houston/Galveston, TX
Area: Whole counties

County Chambers County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.1 hours before the alert went out and 149 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: 1739 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 554 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 323 m²/s²
0-3 km storm-relative helicity: 366 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 12.0

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 tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Nov 16, 4:27 AM CST, 4 hours 41 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
424 AM CST MON NOV 16 1987

...A TORANDO WATCH IS IN EFFECT FOR A LARGE PART OF SOUTH TEXAS
WEST OF HOUSTON UNTIL 800 AM CST...

THE TORNADO WATCH US ALONG AND 70 MILES EITHER SIDE OF A LINE FROM
70 MILES WEST OF COTULLA TO COLLEGE STATION AND INCLUDES THE FOLLOWING
COUNTIES...AUSTIN...COLORADO..FORT BEND...WALLER...WASHINGTON...AND
WHARTON.

RADAR SHOWS THAT STRONG THUNDERSTORMS HAVE DEVELOPED WEST OF COLORADO
COLORADO.  THESE THUNDERSTORMS WILL BE MONITORED CLOSELY AS THEY
MOVE NORTH NORTHEASTWARD ALONG THE WESTERN EDGES OF COLORADO AUSTIN
AND WASHINGTON COUNTIES.

NUMEROUS SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN AND AROU[ND THE
SAN ANTONIO AREA.

Special weather statement, Nov 16, 4:32 AM CST, 4 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON TX
425 AM CST MON NOV 16 1987

...A TORANDO WATCH IS IN EFFECT FOR A LARGE PART OF SOUTH TEXAS
WEST OF HOUSTON UNTIL 800 AM CST...

THE TORNADO WATCH IS ALONG AND 70 MILES EITHER SIDE OF A LINE FROM
70 MILES WEST OF COTULLA TO COLLEGE STATION AND INCLUDES THE FOLLOWING
COUNTIES...AUSTIN...COLORADO..FORT BEND...WALLER...WASHINGTON...AND
WHARTON.

RADAR SHOWS THAT STRONG THUNDERSTORMS HAVE DEVELOPED WEST OF COLORADO
COUNTY.  THESE THUNDERSTORMS WILL BE MONITORED CLOSELY AS THEY
MOVE NORTH NORTHEASTWARD ALONG THE WESTERN EDGES OF COLORADO AUSTIN
AND WASHINGTON COUNTIES.

NUMEROUS SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN AND ARaOUND THE
SAN ANTONIO AREA THIS MORNING.

Special weather statement, Nov 16, 6:33 AM CST, 2 hours 35 minutes before

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Special weather statement, Nov 16, 6:48 AM CST, 2 hours 20 minutes before

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Special weather statement, Nov 16, 6:50 AM CST, 2 hours 18 minutes before

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<html lang="en">
<head>
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  <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.
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      <p id="message2">
        Please try again in a few minutes.
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Special weather statement, Nov 16, 7:25 AM CST, 1 hour 43 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>
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        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.

Issued	Product	Office	Counties	Lasted
Nov 16, 6:17 AM CST	Tornado Warning	HGX	Brazoria	58 min
Nov 16, 6:35 AM CST	Tornado Warning	HGX	Galveston	30 min
Nov 16, 8:19 AM CST	Severe Thunderstorm Warning	HGX	Harris	56 min
Nov 16, 8:35 AM CST	Severe Thunderstorm Warning	HGX	Brazoria	55 min
Nov 16, 8:45 AM CST	Tornado Warning	HGX	Galveston	30 min
Nov 16, 9:06 AM CST	Severe Thunderstorm Warning	HGX	Chambers, Galveston	2 hr

Nearby

Tornado Warnings in Texas, 1987 Every tornado warning in 1987 Tornadoes in 1987

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.