Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 10, NWS Austin/San Antonio, TX

March 3, 1992Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 3, 1992, 5:10 PM CST for Val Verde County, Texas. It was in force for 50 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 3, 1992, 5:10 PM CST (23:10 UTC)
Expired
Mar 3, 1992, 6:00 PM CST
In force
50 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Val Verde County, TX

What was reported inside it

TimeReportWhereRemark
Mar 3, 6:10 PM CSTHail 1Val Verde, 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

Del Rio, TX (KDRT), launched 12:00Z, 11.2 hours before the alert went out and 66 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, Del Rio, TX at 12:00Z on 1992-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 634 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, Del Rio, TX at 12:00Z on 1992-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.19395878Sfc1 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
634 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDRT 032302
SVRDRT
TXC465-040000-

BULETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DEL RIO TX
510 PM CST TUE MAR 3 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 600 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY IN

SOUTHCENTRAL TEXAS...VAL VERDE

AT 505 PM CST RADAR INDICATED A SEVERE THUNDERSTORM 14 MILES SOUTHWEST
OF DEL RIO MOVING TOWARD DEL RIO AT 30 MPH.

PEOPLE IN DEL RIO SHOULD TAKE COVER NOW.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60
MPH..DESTRUCTIVE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

...A FLASH FLOOD WATCH IS IN EFFECT FOR VAL VERDE COUNTY THROUGH
TONIGHT...

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 8:48 PM CSTSevere Thunderstorm WarningEWXMills, San Saba42 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.