Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 253, NWS Amarillo, TX

July 30, 1992Armstrong County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 30, 1992, 7:59 PM CDT for Armstrong County, Texas. It was in force for 61 min.

The area

The counties it named.

The facts

Issued: Jul 30, 1992, 7:59 PM CDT (00:59 UTC)
Expired: Jul 30, 1992, 9:00 PM CDT
In force: 61 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Armstrong County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.0 hours before the alert went out and 43 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: 415 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 2547 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: -21 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 30, 7:45 PM CDT, 14 minutes earlier.

Area forecast discussion, Jul 30, 7:45 PM CDT, 14 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>

In the hours before

Special weather statement, Jul 30, 4:12 PM CDT, 3 hours 47 minutes before

TXZ001>009-NMZ005-009-013-OKZ001>003-302245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
415 PM CDT THU JUL 30 1992

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SWISHER...BRISCOE...HALL...
   AND CHILDRESS COUNTIES IN EXTREME SOUTHERN TEXAS PANHANDLE UNTIL
   10 PM CDT...

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM
WATCH FOR SWISHER...BRISCOE...HALL...AND CHILDRESS COUNTIES IN EXTREME
SOUTHERN TEXAS PANHANDLE UNTIL 10 PM CDT.

LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE
IN THESE AREAS.

REMEBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  PERSONS IN THESE AREAS
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

DH

Special weather statement, Jul 30, 4:48 PM CDT, 3 hours 11 minutes before

TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-008-009-012-013-302245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
447 PM CDT THU JUL 30 1992

...SEVERE THUNDERSTORM WATCH FOR SWISHER...BRISCOE...HALL...AND
   CHILDRESS COUNTIES IN THE EXTREME SOUTHERN TEXAS PANHANDLE UNTIL 10
   PM CDT...

AT 440 PM CDT..RADAR INDICATED SCATTERED THUNDERSTORMS IN THE EXTREME
SOUTHERN TEXAS PANHANDLE...THE TEXAS SOUTH PLAINS...EASTERN NEW
MEXICO...AND IN SOUTHWEST OKLAHOMA.  THE STRONGEST STORMS WERE LOCATED
NEAR QUITAQUE...JUST EAST OF TULIA...10 MILES SOUTH OF PORTALES...AND
NEAR VINSON OKLAHOMA.  THE STORMS WERE MOVING SOUTH AT 15 MPH.

AT 430 PM CDT...LAW ENFORCEMENT OFFICIALS IN QUITAQUE REPORTED STRONG
WINDS...HEAVY RAIN...AND UP TO 1/2 INCH DIAMETER HAIL.

GUSTY WINDS...HEAVY RAIN AND HAIL ARE LIKELY WITH THE STRONGER
THUNDERSTORMS.  FLOODING OF ROADWAYS AND LOW LYING AREAS ARE ALSO
POSSIBLE.  PLEASE STABY TUNED TO THIS STATION FOR LATER STATEMENTS AND
POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

SP

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 30, 7:21 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	39 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992 Every severe thunderstorm warning in 1992

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.