Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 8, NWS Austin/San Antonio, TX

March 19, 2002Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 19, 2002, 6:08 PM CST for Uvalde County, Texas. It was in force for 52 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 19, 2002, 6:08 PM CST (00:08 UTC)
Expired
Mar 19, 2002, 7:00 PM CST
In force
52 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Uvalde County, TX

What was reported inside it

TimeReportWhereRemark
Mar 19, 6:25 PM CSTThunderstorm WindCountywide, TXSevere winds caused spotty damage, mainly in the eastern half of Uvalde County, where they knocked down trees, blew down a dozen power lines, and caused damage to roofs in the area. Damage was also reported to windows in the eastern part of the county.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 19, 3:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.1 hours before the alert went out and 309 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 2002-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 932 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 2002-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
932 J/kg
Mixed-layer CIN
-500 J/kg
Mixed-layer LCL
1142 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 200008
SVRSAT
TXC463-200100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
608 PM CST TUE MAR 19 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  UVALDE

* UNTIL 700 PM CST

* AT 603 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
SEVERE THUNDERSTORM OVER EXTREME EASTERN KINNEY COUNTY...OR ABOUT 25 
MILES WEST OF UVALDE...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE ABOUT 10 MILES NORTH OF UVALDE 
AROUND 615 PM.

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.


LAT...LON 2944 10014 2927 10011 2936 9944 2958 9945

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 6:18 PM CSTSevere Thunderstorm WarningEWXZavala42 min
Mar 19, 6:23 PM CSTSevere Thunderstorm WarningEWXBurnet52 min
Mar 19, 6:25 PM CSTTornado WarningEWXFrio, Zavala35 min
Mar 19, 6:39 PM CSTTornado WarningEWXMedina, Uvalde51 min
Mar 19, 7:03 PM CSTTornado WarningEWXBexar57 min
Mar 19, 7:30 PM CSTSevere Thunderstorm WarningEWXAtascosa, Frio60 min
Mar 19, 7:51 PM CSTTornado WarningEWXBexar, Guadalupe, Wilson54 min
Mar 19, 7:58 PM CSTTornado WarningEWXDimmit, Maverick62 min
Mar 19, 8:05 PM CSTSevere Thunderstorm WarningEWXComal25 min
Mar 19, 8:14 PM CSTSevere Thunderstorm WarningEWXHays61 min
Mar 19, 8:20 PM CSTSevere Thunderstorm WarningEWXGonzales55 min
Mar 19, 8:33 PM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell, Travis57 min
Mar 19, 9:00 PM CSTSevere Thunderstorm WarningEWXDimmit60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002

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.