Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 224, NWS Shreveport, LA

May 28, 1998Columbia County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at May 28, 1998, 6:23 PM CDT for Columbia County, Arkansas. 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: May 28, 1998, 6:23 PM CDT (23:23 UTC)
Expired: May 28, 1998, 7:10 PM CDT
In force: 47 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Columbia County, AR

The radar

The Shreveport radar (KSHV), 102 km from the middle of the area, began a volume at 23:24 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
May 28, 6:43 PM CDT	Hail 0.88	Waldo, AR

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

Shreveport, LA (KSHV), launched 12:00Z, 11.4 hours before the alert went out and 95 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: 1498 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 915 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 2:15 PM CDT, 4 hours 8 minutes earlier.

Area forecast discussion, May 28, 2:15 PM CDT, 4 hours 8 minutes before

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In the hours before

Local storm report, May 28, 2:35 PM CDT, 3 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT...DELAYED REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
235 PM CDT THU MAY 28 1998

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

0230 PM    RED SPRINGS               TX   60 MPH TSTM GUST
05/27/98   SMITH                          TREES BLOWN DOWN BY HIGH
                                          WINDS

03

Local storm report, May 28, 2:35 PM CDT, 3 hours 48 minutes before

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<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.
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The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 7:34 PM CDT	Severe Thunderstorm Warning	SHV	Panola	46 min
May 28, 6:05 AM CDT	Severe Thunderstorm Warning	SHV	Bowie	60 min
May 28, 6:11 AM CDT	Flash Flood Warning	SHV	Bowie	3 hr
May 28, 7:51 AM CDT	Severe Thunderstorm Warning	SHV	Cass	34 min
May 28, 8:45 AM CDT	Severe Thunderstorm Warning	SHV	Cass	45 min
May 28, 9:24 AM CDT	Flash Flood Warning	SHV	Cass	3 hr
May 28, 12:41 PM CDT	Flash Flood Warning	SHV	Bowie	3 hr
May 28, 3:06 PM CDT	Flash Flood Warning	SHV	Bowie	3 hr
May 28, 3:47 AM CDT	Severe Thunderstorm Warning	SHV	Caddo	48 min
May 28, 1:17 AM CDT	Flash Flood Warning	SHV	Howard	4 hr
May 28, 1:57 AM CDT	Flash Flood Warning	SHV	Hempstead	4 hr
May 28, 3:15 AM CDT	Severe Thunderstorm Warning	SHV	Lafayette	35 min
May 28, 3:36 AM CDT	Severe Thunderstorm Warning	SHV	Columbia	34 min
May 28, 3:49 AM CDT	Severe Thunderstorm Warning	SHV	Miller	36 min
May 28, 4:07 AM CDT	Severe Thunderstorm Warning	SHV	Nevada	48 min
May 28, 4:48 AM CDT	Flash Flood Warning	SHV	Miller	3 hr
May 28, 6:27 AM CDT	Flash Flood Warning	SHV	Columbia	4 hr
May 28, 6:51 AM CDT	Flash Flood Warning	SHV	Lafayette	4 hr
May 28, 8:18 AM CDT	Severe Thunderstorm Warning	SHV	Miller	32 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.