Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 433, NWS Little Rock, AR

July 24, 1998Dallas County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 24, 1998, 5:46 PM CDT for Dallas County, Arkansas. It was in force for 49 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
Jul 24, 1998, 5:46 PM CDT (22:46 UTC)
Expired
Jul 24, 1998, 6:35 PM CDT
In force
49 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Dallas County, AR

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.8 hours before the alert went out and 266 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, Little Rock, AR at 12:00Z on 1998-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 996 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, Little Rock, AR at 12:00Z on 1998-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939Sfc1 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
996 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
1216 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
64 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.

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 7:11 PM CDTSevere Thunderstorm WarningLZKNewton34 min
Jul 24, 1:25 PM CDTSevere Thunderstorm WarningLZKNewton30 min
Jul 24, 2:20 PM CDTSevere Thunderstorm WarningLZKPerry, Yell50 min
Jul 24, 2:46 PM CDTSevere Thunderstorm WarningLZKGarland34 min
Jul 24, 3:34 PM CDTSevere Thunderstorm WarningLZKGarland46 min
Jul 24, 3:38 PM CDTSevere Thunderstorm WarningLZKPulaski, Saline47 min
Jul 24, 3:49 PM CDTSevere Thunderstorm WarningLZKScott36 min
Jul 24, 4:22 PM CDTSevere Thunderstorm WarningLZKHot Spring48 min
Jul 24, 4:27 PM CDTSevere Thunderstorm WarningLZKCleveland48 min
Jul 24, 4:32 PM CDTSevere Thunderstorm WarningLZKGrant48 min
Jul 24, 5:10 PM CDTSevere Thunderstorm WarningLZKDrew50 min
Jul 24, 5:27 PM CDTSevere Thunderstorm WarningLZKCalhoun48 min
Jul 24, 5:44 PM CDTSevere Thunderstorm WarningLZKClark51 min
Jul 24, 6:14 PM CDTSevere Thunderstorm WarningLZKOuachita51 min
Jul 24, 6:32 PM CDTSevere Thunderstorm WarningLZKCalhoun, Dallas48 min
Jul 24, 6:50 PM CDTSevere Thunderstorm WarningLZKBradley50 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.