Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 548, NWS Little Rock, AR

August 11, 1998Saline County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 11, 1998, 6:26 PM CDT for Saline County, Arkansas. It was in force for 44 min. 2 reports 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
Aug 11, 1998, 6:26 PM CDT (23:26 UTC)
Expired
Aug 11, 1998, 7:10 PM CDT
In force
44 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Saline County, AR

What was reported inside it

TimeReportWhereRemark
Aug 11, 6:40 PM CDTThunderstorm Wind 50Benton, AR
Aug 11, 6:55 PM CDTThunderstorm Wind 50Benton, 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

Little Rock, AR (KLZK), launched 12:00Z, 11.4 hours before the alert went out and 250 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 1998-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 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 1998-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.193958Sfc1 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
267 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
1851 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
79 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
Aug 10, 10:11 PM CDTSevere Thunderstorm WarningLZKFulton, Sharp49 min
Aug 11, 4:37 AM CDTSevere Thunderstorm WarningLZKClark33 min
Aug 11, 4:57 AM CDTFlash Flood WarningLZKClark, Pike3 hr
Aug 11, 1:13 PM CDTSevere Thunderstorm WarningLZKFulton47 min
Aug 11, 3:36 PM CDTSevere Thunderstorm WarningLZKMarion34 min
Aug 11, 4:56 PM CDTSevere Thunderstorm WarningLZKWoodruff34 min
Aug 11, 5:58 PM CDTSevere Thunderstorm WarningLZKPulaski47 min
Aug 11, 6:55 PM CDTSevere Thunderstorm WarningLZKGrant50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.