Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 30, NWS Austin/San Antonio, TX

April 16, 2002Atascosa County, Wilson County, Texas

NWS Austin/San Antonio, TX issued this tornado warning at Apr 16, 2002, 4:49 PM CDT for Atascosa County, Wilson County, Texas. It was in force for 56 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: Apr 16, 2002, 4:49 PM CDT (21:49 UTC)
Expired: Apr 16, 2002, 5:45 PM CDT
In force: 56 min
Issued by: NWS Austin/San Antonio, TX
Area: Counties, with a storm outline in the text

Counties Atascosa County, TX, Wilson County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 16, 5:55 PM CDT	Hail 1.75	Pleasanton, 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 9.8 hours before the alert went out and 173 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 162149
TORSAT
TXC013-493-162245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
449 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...
  WILSON
  ATASCOSA

* UNTIL 545 PM CDT

* AT 449 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG SIGNS THAT A TORNADO IS DEVELOPING 4 MILES
  SOUTHEAST OF PLEASANTON...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO PRODUCING STORM IS EXPECTED TO BE...
  NEAR FLORESVILLE BY 535 PM

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


LAT...LON 2893 9859 2881 9844 2903 9806 2921 9826

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 4:17 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa	58 min
Apr 16, 4:32 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Wilson	43 min
Apr 16, 5:17 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Guadalupe	58 min
Apr 16, 5:43 PM CDT	Tornado Warning	EWX	Atascosa, Karnes	62 min
Apr 16, 6:16 PM CDT	Severe Thunderstorm Warning	EWX	Comal, Hays	44 min
Apr 16, 6:20 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Kendall, Medina	55 min
Apr 16, 6:41 PM CDT	Tornado Warning	EWX	Bexar, Kendall	49 min
Apr 16, 6:46 PM CDT	Tornado Warning	EWX	Atascosa, Karnes	29 min

Nearby

Tornado Warnings in Texas, 2002 Every tornado warning in 2002 Tornadoes 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.