Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 31, NWS Austin/San Antonio, TX

April 16, 2002Atascosa County, Karnes County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 16, 2002, 5:43 PM CDT for Atascosa County, Karnes 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
Apr 16, 2002, 5:43 PM CDT (22:43 UTC)
Expired
Apr 16, 2002, 6:45 PM CDT
In force
62 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Atascosa County, TX, Karnes County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 16, 5:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.7 hours before the alert went out and 150 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 12:00Z on 2002-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2020 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 12:00Z on 2002-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.193958Sfc1 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
2020 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
932 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KEWX 162243
TORSAT
TXC013-255-162345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
542 PM CDT TUE APR 16 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* TORNADO WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  ATASCOSA
  KARNES

* UNTIL 645 PM CDT

* AT 542 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING OVER
  ATASCOSA COUNTY...OR ABOUT 16 MILES SOUTHEAST OF JOURDANTON...     
  MOVING EAST AT 15 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
  NEAR FASHING BY 555 PM
  NEAR COY CITY BY 630 PM

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...


LAT...LON 2882 9845 2869 9830 2891 9785 2905 9782
          2886 9821

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 4:17 PM CDTSevere Thunderstorm WarningEWXAtascosa58 min
Apr 16, 4:32 PM CDTSevere Thunderstorm WarningEWXBexar, Wilson43 min
Apr 16, 4:49 PM CDTTornado WarningEWXAtascosa, Wilson56 min
Apr 16, 5:17 PM CDTSevere Thunderstorm WarningEWXBexar, Comal, Guadalupe58 min
Apr 16, 6:16 PM CDTSevere Thunderstorm WarningEWXComal, Hays44 min
Apr 16, 6:20 PM CDTSevere Thunderstorm WarningEWXBexar, Kendall, Medina55 min
Apr 16, 6:41 PM CDTTornado WarningEWXBexar, Kendall49 min
Apr 16, 6:46 PM CDTTornado WarningEWXAtascosa, Karnes29 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.