Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 11, NWS Austin/San Antonio, TX

February 27, 1999Bastrop County, Fayette County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 27, 1999, 3:30 PM CST for Bastrop County, Fayette County, Texas. It was in force for 30 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
Feb 27, 1999, 3:30 PM CST (21:30 UTC)
Expired
Feb 27, 1999, 4:00 PM CST
In force
30 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bastrop County, TX, Fayette County, TX

What was reported inside it

TimeReportWhereRemark
Feb 27, 3:50 PM CSTThunderstorm WindMuldoon, TXSevere winds blew down trees and large tree limbs in an area 2 miles wide and nearly 10 miles long in open country.

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

Corpus Christi, TX (KCRP), launched 12:00Z, 9.5 hours before the alert went out and 252 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, Corpus Christi, TX at 12:00Z on 1999-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1079 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, Corpus Christi, TX at 12:00Z on 1999-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939587897117Sfc1 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
1079 J/kg
Mixed-layer CIN
-215 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 2:33 PM CSTSevere Thunderstorm WarningEWXBastrop57 min
Feb 27, 4:03 PM CSTSevere Thunderstorm WarningEWXFayette32 min
Feb 27, 4:59 PM CSTSevere Thunderstorm WarningEWXGonzales, Lavaca51 min
Feb 27, 5:47 PM CSTSevere Thunderstorm WarningEWXLavaca48 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.