Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 84, NWS Little Rock, AR

March 31, 1998Woodruff County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 31, 1998, 4:35 AM CST for Woodruff County, Arkansas. It was in force for 35 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
Mar 31, 1998, 4:35 AM CST (10:35 UTC)
Expired
Mar 31, 1998, 5:10 AM CST
In force
35 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Woodruff County, AR

The radar

The Little Rock radar (KLZK), 101 km from the middle of the area, began a volume at 10:37 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

Springfield, MO (KSGF), launched 00:00Z, 10.6 hours before the alert went out and 299 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 1998-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 368 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1998-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
368 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1388 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
389 m²/s²
Significant tornado parameter
0.5
Supercell composite
5.0

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.

In the hours before

Local storm report, Mar 30, 10:47 PM CST, 5 hours 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1047 PM CST MON MAR 30 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1028 PM    COVE                      AR   .5 INCH HAIL
03/30/98   POLK

1028 PM    VANDERVOORT               AR   .5 INCH HAIL
03/30/98   POLK

1030 PM    LAMAR                     AR   2.75 INCH HAIL
03/30/98   JOHNSON                        BASEBALL SIZE HAIL.

1030 PM    KNOXVILLE                 AR   .75 INCH HAIL
03/30/98   JOHNSON

28
Local storm report, Mar 30, 10:47 PM CST, 5 hours 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1047 PM CST MON MAR 30 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1028 PM    COVE                      AR   .5 INCH HAIL
03/30/98   POLK

1028 PM    VANDERVOORT               AR   .5 INCH HAIL
03/30/98   POLK

1030 PM    LAMAR                     AR   2.75 INCH HAIL
03/30/98   JOHNSON                        BASEBALL SIZE HAIL.

1030 PM    KNOXVILLE                 AR   .75 INCH HAIL
03/30/98   JOHNSON

28
Special weather statement, Mar 31, 12:00 AM CST, 4 hours 35 minutes before
ARZ003>008-012>017-021>025-030>034-038-039-041>047-050>057-059>064-
066>073-310900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1200 AM CST TUE MAR 31 1998
...A TORNADO WATCH IS IN EFFECT FOR MUCH OF ARKANSAS UNTIL 4 AM CST...

A LINE OF STRONG THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH
ARKANSAS TONIGHT. SOME OF THE STORMS WILL BE SEVERE WITH THE
CAPABILITY OF PRODUCING TORNADOES. AROUND MIDNIGHT...THIS THUNDERSTORM
LINE WAS LOCATED FROM NEAR TEXARKANA ALL THE WAY THROUGH NORTH ARKANSAS
INTO MISSOURI.

A COLD FRONT ENTERED WESTERN ARKANSAS AROUND 9 PM AND WILL PUSH TO
EASTERN ARKANSAS BY SUNRISE. THE THREAT OF SEVERE WEATHER WILL DIMINISH
BEHIND THE FRONT.

IN THE MEANTIME...KEEP ADVISED OF WEATHER IN YOUR AREA AND BE PREPARED
TO TAKE ACTION SHOULD SEVERE WEATHER WARNINGS BE ISSUED.

16
Special weather statement, Mar 31, 2:22 AM CST, 2 hours 13 minutes before
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Special weather statement, Mar 31, 2:22 AM CST, 2 hours 13 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 Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 30, 8:47 PM CSTSevere Thunderstorm WarningLZKPolk, Scott63 min
Mar 30, 9:51 PM CSTSevere Thunderstorm WarningLZKScott49 min
Mar 30, 9:57 PM CSTSevere Thunderstorm WarningLZKJohnson63 min
Mar 30, 10:01 PM CSTSevere Thunderstorm WarningLZKPolk64 min
Mar 30, 10:09 PM CSTTornado WarningLZKScott46 min
Mar 30, 10:17 PM CSTSevere Thunderstorm WarningLZKLogan48 min
Mar 30, 10:23 PM CSTTornado WarningLZKLogan62 min
Mar 30, 10:45 PM CSTSevere Thunderstorm WarningLZKNewton65 min
Mar 30, 11:38 PM CSTSevere Thunderstorm WarningLZKPike62 min
Mar 31, 12:23 AM CSTTornado WarningLZKVan Buren47 min
Mar 31, 1:05 AM CSTSevere Thunderstorm WarningLZKFaulkner50 min
Mar 31, 1:19 AM CSTSevere Thunderstorm WarningLZKPulaski, Saline46 min
Mar 31, 1:29 AM CSTSevere Thunderstorm WarningLZKCleburne51 min
Mar 31, 2:23 AM CSTSevere Thunderstorm WarningLZKLonoke47 min
Mar 31, 2:27 AM CSTSevere Thunderstorm WarningLZKWhite48 min
Mar 31, 3:50 AM CSTSevere Thunderstorm WarningLZKLonoke35 min
Mar 31, 4:00 AM CSTSevere Thunderstorm WarningLZKPrairie50 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998Every 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.