Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 221, NWS Shreveport, LA

May 28, 1998Cass County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at May 28, 1998, 7:51 AM CDT for Cass County, Texas. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 28, 1998, 7:51 AM CDT (12:51 UTC)
Expired: May 28, 1998, 8:25 AM CDT
In force: 34 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Cass County, TX

The radar

The Shreveport radar (KSHV), 84 km from the middle of the area, began a volume at 12:51 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.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 0.9 hours before the alert went out and 87 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, 3:30 AM CDT, 4 hours 21 minutes earlier.

Area forecast discussion, May 28, 3:30 AM CDT, 4 hours 21 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
330 AM CDT THU MAY 28 1998

CONVECTIVELY INDUCED VORT MAX OVER SW ARKANSAS MOVING SLOWLY E WITH
FLASH FLOODING OCCURRING IN SW ARKANSAS. MODELS SIMILAR THROUGH 12H
WITH PLACEMENT OF 5H LOW STILL OVER SW ARKANSAS WITH ETA SLOWER AND
STRONGER VORT MAX. BEST LIFT DURING THE DAY SHOULD BE OVER SOUTH
CENTRAL ARKANSAS AND NORTHEAST LOUISIANA PER SELS OUTLOOK. AT 24 HOURS
ETA KEEPS 5H LOW OVER SOUTH CENTRAL ARKANSAS AND NGM WEAKENS LOW AND
MOVES IT INTO EASTERN ARKANSAS. AT 36 HOURS 5H LOW STILL IN SOUTH
CENTRAL ARKANSAS WITH WEAKENED VORT MAX AND STILL SOME LIFT. BELIEVE
ETA HAS BETTER HANDLE WITH SLOW MOVEMENT AND WILL PUT CHANCE POPS IN
NE LA THROUGH FRIDAY MORNING WITH PRECIP OUT OF NW LOUISIANA BY
FRIDAY AFTERNOON. NGM TEMPS TOO WARM FOR SHV FRI OTHERWISE POPS LOOK
GOOD.

SHV 89/69/91 3110    MLU 91/70/91 4321  09

In the hours before

Local storm report, May 28, 4:36 AM CDT, 3 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
436 AM CDT THU MAY 28 1998

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

0330 AM    BINGEN                    AR   FLOODING
05/28/98   HEMPSTEAD                      A FAMILY TRAPPED IN A
                                          TRAILER OFF HWY 27N NEAR
                                          BINGEN

0330 AM    HOPE                      AR   FLOODING
05/28/98   HEMPSTEAD                      HWY 29 SOUTH CLOSED DUE TO
                                          HIGH WATER

0335 AM    2 N FULTON                AR   FLOODING
05/28/98   HEMPSTEAD                      18 WHEELER TURNED OVER DUE
                                          TO HIGH WATER OVER HWY 355
.
0335 AM    FULTON                    AR   FLOODING
05/28/98   HEMPSTEAD                      I-30 WAS CLOSED DUE TO
                                          HIGH WATER

0340 AM    OZAN                      AR   FLOODING
05/28/98   HEMPSTEAD                      BRIDGE WASHED OUT ON HWY 4

IV

Local storm report, May 28, 4:36 AM CDT, 3 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
436 AM CDT THU MAY 28 1998

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

0330 AM    BINGEN                    AR   FLOODING
05/28/98   HEMPSTEAD                      A FAMILY TRAPPED IN A
                                          TRAILER OFF HWY 27N NEAR
                                          BINGEN

0330 AM    HOPE                      AR   FLOODING
05/28/98   HEMPSTEAD                      HWY 29 SOUTH CLOSED DUE TO
                                          HIGH WATER

0335 AM    2 N FULTON                AR   FLOODING
05/28/98   HEMPSTEAD                      18 WHEELER TURNED OVER DUE
                                          TO HIGH WATER OVER HWY 355
.
0335 AM    FULTON                    AR   FLOODING
05/28/98   HEMPSTEAD                      I-30 WAS CLOSED DUE TO
                                          HIGH WATER

0340 AM    OZAN                      AR   FLOODING
05/28/98   HEMPSTEAD                      BRIDGE WASHED OUT ON HWY 4

IV

Local storm report, May 28, 5:09 AM CDT, 2 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
509 AM CDT THU MAY 28 1998

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

0335 AM    STAMPS                    AR   .88 INCH HAIL
05/28/98   LAFAYETTE

0345 AM    WALDO                     AR   .75 INCH HAIL
05/28/98   COLUMBIA

0355 AM    1 E TEXARKANA             AR   .75 INCH HAIL
05/28/98   MILLER

IV

Local storm report, May 28, 5:09 AM CDT, 2 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
509 AM CDT THU MAY 28 1998

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

0335 AM    STAMPS                    AR   .88 INCH HAIL
05/28/98   LAFAYETTE

0345 AM    WALDO                     AR   .75 INCH HAIL
05/28/98   COLUMBIA

0355 AM    1 E TEXARKANA             AR   .75 INCH HAIL
05/28/98   MILLER

IV

Local storm report, May 28, 6:59 AM CDT, 52 minutes before

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Local storm report, May 28, 6:59 AM CDT, 52 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.
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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, 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
May 28, 6:23 PM CDT	Severe Thunderstorm Warning	SHV	Columbia	47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.