Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 5, NWS Amarillo, TX

March 30, 1998Hemphill County, Lipscomb County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 30, 1998, 12:38 AM CST for Hemphill County, Lipscomb County, Texas. It was in force for 47 min. 1 report 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: Mar 30, 1998, 12:38 AM CST (06:38 UTC)
Expired: Mar 30, 1998, 1:25 AM CST
In force: 47 min
Issued by: NWS Amarillo, TX
Area: Whole counties

Counties Hemphill County, TX, Lipscomb County, TX

The radar

The Amarillo radar (KAMA), 159 km from the middle of the area, began a volume at 06:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Mar 30, 12:53 AM CST	Hail 0.75	Canadian, TX

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 29, 11:15 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.6 hours before the alert went out and 159 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3830 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 244 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 Mar 29, 10:47 PM CST, 1 hour 51 minutes earlier.

Area forecast discussion, Mar 29, 10:47 PM CST, 1 hour 51 minutes before

FPUS3 KAMA 300447
AFDAMA

TEXAS/OKLAHOMA PANHANDLES AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
1047 PM CST SUN MAR 29 1998

TSTMS FORMING ACRS THE ERN PNHDLS ALONG AND EAST OF THE WRD MOVING
DRYLINE.  VERY STRONG CONVERGENCE BETWEEN THE BRISK SE FLO E OF
DRYLINE AND SW TO W FLO W OF IT RESULTING IN SGFNT AREA OF
CONVERGENCE.  JET STEAK ASSISTING.  WIND PROFILE IN AREAS EAST OF
DRYLINE FAVORABLE FOR SUPERCELLS AND POSSIBLE TORNADOES.

.AMA...
TX...FIRE WEATHER WATCH MONDAY FOR ZONES 001>020.
OK...FIRE WEATHER WATCH MONDAY FOR ZONES 001>003.

SP

In the hours before

Local storm report, Mar 29, 11:56 PM CST, 42 minutes before

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Special weather statement, Mar 30, 12:04 AM CST, 34 minutes before

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Special weather statement, Mar 30, 12:04 AM CST, 34 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.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 11:49 PM CST	Severe Thunderstorm Warning	AMA	Ochiltree	61 min
Mar 29, 11:17 PM CST	Severe Thunderstorm Warning	AMA	Beaver	63 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.