Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 293, NWS Little Rock, AR

June 12, 1998Scott County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jun 12, 1998, 11:33 PM CDT for Scott 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
Jun 12, 1998, 11:33 PM CDT (04:33 UTC)
Expired
Jun 13, 1998, 12:20 AM CDT
In force
47 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Scott County, AR

What was reported inside it

TimeReportWhereRemark
Jun 12, 11:55 PM CDTThunderstorm Wind 50Waldron, 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 00:00Z, 4.6 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, Shreveport, LA at 00:00Z on 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3210 joules per kilogram.LCLEL10008507005003002001001 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, Shreveport, LA at 00:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.19395878Sfc1 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
3210 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1581 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.0

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
Jun 13, 12:40 AM CDTSevere Thunderstorm WarningLZKMontgomery, Scott65 min
Jun 13, 12:53 AM CDTSevere Thunderstorm WarningLZKGarland47 min
Jun 13, 1:32 AM CDTSevere Thunderstorm WarningLZKHot Spring48 min
Jun 13, 2:01 AM CDTFlash Flood WarningLZKMontgomery3 hr
Jun 13, 2:57 AM CDTSevere Thunderstorm WarningLZKMontgomery48 min
Jun 13, 4:40 AM CDTFlash Flood WarningLZKHot Spring3 hr

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.