Alert archive / Texas / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 21, NWS Austin/San Antonio, TX

April 29, 1988Guadalupe County, Wilson County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 29, 1988, 7:35 PM CDT for Guadalupe County, Wilson County, Texas. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Apr 29, 1988, 7:35 PM CDT (00:35 UTC)
Expired
Apr 29, 1988, 8:30 PM CDT
In force
55 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Guadalupe County, TX, Wilson County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Victoria Regiona, TX (KVCT), launched 00:00Z, 0.6 hours before the alert went out and 123 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, Victoria Regiona, TX at 00:00Z on 1988-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1150 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, Victoria Regiona, TX at 00:00Z on 1988-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939587897Sfc1 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
1150 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.6

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
Apr 29, 7:08 PM CDTTornado WarningEWXBexar52 min
Apr 29, 7:29 PM CDTSevere Thunderstorm WarningEWXGuadalupe, Wilson61 min
Apr 29, 7:38 PM CDTSevere Thunderstorm WarningEWXLlano67 min
Apr 29, 7:46 PM CDTTornado WarningEWXGuadalupe, Wilson44 min
Apr 29, 7:59 PM CDTSevere Thunderstorm WarningEWXGonzales46 min

Nearby

Severe Thunderstorm Warnings in Texas, 1988Every severe thunderstorm warning in 1988

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.