Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 358, NWS Shreveport, LA

August 29, 1998Sabine County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Aug 29, 1998, 5:07 PM CDT for Sabine County, Texas. It was in force for 33 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
Aug 29, 1998, 5:07 PM CDT (22:07 UTC)
Expired
Aug 29, 1998, 5:40 PM CDT
In force
33 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Sabine County, TX

What was reported inside it

TimeReportWhereRemark
Aug 29, 5:10 PM CDTHail 0.75Brookeland, TX

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

Fort Worth, TX (KFWD), launched 12:00Z, 10.1 hours before the alert went out and 364 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, Fort Worth, TX at 12:00Z on 1998-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 402 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, Fort Worth, TX at 12:00Z on 1998-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
402 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1923 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-11 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 Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 3:35 PM CDTSevere Thunderstorm WarningSHVNacogdoches45 min
Aug 29, 3:41 PM CDTSevere Thunderstorm WarningSHVCherokee49 min
Aug 29, 5:49 PM CDTSevere Thunderstorm WarningSHVRusk46 min
Aug 29, 3:57 PM CDTSevere Thunderstorm WarningSHVCaldwell, LaSalle48 min
Aug 29, 4:48 PM CDTSevere Thunderstorm WarningSHVSabine47 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.