Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 12, NWS Austin/San Antonio, TX

March 19, 2002Dimmit County, Maverick County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Mar 19, 2002, 7:58 PM CST for Dimmit County, Maverick County, Texas. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 19, 2002, 7:58 PM CST (01:58 UTC)
Expired
Mar 19, 2002, 9:00 PM CST
In force
62 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Dimmit County, TX, Maverick County, TX

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, 2.0 hours before the alert went out and 266 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 
WFUS54 KEWX 200158
TORSAT
TXC127-323-200300-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  MAVERICK
  DIMMIT

* UNTIL 900 PM CST

* AT 757 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 25
  MILES SOUTHWEST OF CARRIZO SPRINGS...MOVING EAST AT 50 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
  6 MILES SOUTH OF ASHERTON AT 820 PM

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  ASHERTON

LAT...LON 2837 10034 2818 10014 2822 9945 2863 9953

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 6:08 PM CSTSevere Thunderstorm WarningEWXUvalde52 min
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, 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

Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes 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; the sounding from the Mesonet's radiosonde archive.