Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 37, NWS Austin/San Antonio, TX

March 29, 1992Webb County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 29, 1992, 2:45 AM CST for Webb County, Texas. It was in force for 60 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
Mar 29, 1992, 2:45 AM CST (08:45 UTC)
Expired
Mar 29, 1992, 3:45 AM CST
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Webb County, TX

What was reported inside it

TimeReportWhereRemark
Mar 29, 3:00 AM CSTHail 1Webb, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 8.8 hours before the alert went out and 196 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 00:00Z on 1992-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1133 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 00:00Z on 1992-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -75 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
1133 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-75 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.3

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
Mar 29, 1:20 AM CSTSevere Thunderstorm WarningEWXWebb85 min
Mar 29, 2:41 AM CSTSevere Thunderstorm WarningEWXWebb64 min
Mar 29, 1:45 PM CSTSevere Thunderstorm WarningEWXBexar2 hr
Mar 29, 2:36 PM CSTTornado WarningEWXBexar, Comal, Guadalupe69 min
Mar 29, 3:32 PM CSTSevere Thunderstorm WarningEWXHays58 min
Mar 29, 3:34 PM CSTSevere Thunderstorm WarningEWXWilson116 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.