Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 62, NWS Austin/San Antonio, TX

May 11, 1992Lampasas County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 11, 1992, 6:52 PM CDT for Lampasas County, Texas. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
May 11, 1992, 6:52 PM CDT (23:52 UTC)
Expired
May 11, 1992, 7:45 PM CDT
In force
53 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Lampasas County, TX

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 11.9 hours before the alert went out and 115 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, Stephenville/Cla, TX at 12:00Z on 1992-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1132 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, Stephenville/Cla, TX at 12:00Z on 1992-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 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
1132 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.2

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
May 11, 4:41 PM CDTSevere Thunderstorm WarningEWXLampasas, Mills64 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.