Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 290, NWS Shreveport, LA

May 27, 1999Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at May 27, 1999, 5:41 PM CDT for Rusk County, Texas. It was in force for 34 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
May 27, 1999, 5:41 PM CDT (22:41 UTC)
Expired
May 27, 1999, 6:15 PM CDT
In force
34 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Rusk County, TX

What was reported inside it

TimeReportWhereRemark
May 27, 5:50 PM CDTThunderstorm Wind 60Concord, TXNumerous trees and powerlines down.

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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.7 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, Lake Charles Mun, LA at 12:00Z on 1999-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 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, Lake Charles Mun, LA at 12:00Z on 1999-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
421 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1097 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
26 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
May 27, 4:10 PM CDTSevere Thunderstorm WarningSHVAngelina60 min
May 27, 5:07 PM CDTSevere Thunderstorm WarningSHVAngelina33 min
May 27, 5:15 PM CDTSevere Thunderstorm WarningSHVNacogdoches, San Augustine60 min
May 27, 5:47 PM CDTSevere Thunderstorm WarningSHVSabine48 min
May 27, 5:56 PM CDTSevere Thunderstorm WarningSHVShelby64 min
May 27, 6:58 PM CDTSevere Thunderstorm WarningSHVShelby47 min
May 26, 7:56 PM CDTSevere Thunderstorm WarningSHVWinn59 min
May 27, 6:51 PM CDTSevere Thunderstorm WarningSHVSabine64 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999

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.