Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 25, NWS San Angelo, TX

April 13, 2002Mason County, Texas

NWS San Angelo, TX issued this tornado warning at Apr 13, 2002, 6:22 PM CDT for Mason County, Texas. It was in force for 53 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 13, 2002, 6:22 PM CDT (23:22 UTC)
Expired: Apr 13, 2002, 7:15 PM CDT
In force: 53 min
Issued by: NWS San Angelo, TX
Area: Counties, with a storm outline in the text

County Mason County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 13, 7:06 PM CDT	Tornado F0	Katemcy, TX	Brief tornado touchdown in eastern Mason county and demolished a travel trailer.

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

Del Rio, TX (KDRT), launched 12:00Z, 11.4 hours before the alert went out and 224 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: 461 J/kg
Mixed-layer CIN: -464 J/kg
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 131 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 KSJT 132322
TORSJT
TXC319-140015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
622 PM CDT SAT APR 13 2002

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  MASON COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 715 PM CDT

* AT 620 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 9 MILES WEST OF KATEMCY...OR ABOUT 15 MILES
  NORTHWEST OF MASON...MOVING SOUTHEAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   KATEMCY AT 650 PM CDT

A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER.

LAT...LON 3093 9947 3086 9947 3068 9900 3091 9897

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 12, 7:16 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	29 min
Apr 12, 8:12 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	48 min
Apr 12, 9:00 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	60 min
Apr 12, 9:13 PM CDT	Severe Thunderstorm Warning	SJT	Concho	62 min
Apr 12, 9:21 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher	54 min
Apr 13, 4:41 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	64 min
Apr 13, 4:57 PM CDT	Severe Thunderstorm Warning	SJT	Concho	63 min
Apr 13, 5:20 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	55 min
Apr 13, 5:31 PM CDT	Tornado Warning	SJT	Irion, Tom Green	59 min
Apr 13, 5:38 PM CDT	Severe Thunderstorm Warning	SJT	Menard	37 min
Apr 13, 6:10 PM CDT	Severe Thunderstorm Warning	SJT	McCulloch	65 min
Apr 13, 6:28 PM CDT	Severe Thunderstorm Warning	SJT	Irion	62 min
Apr 13, 6:56 PM CDT	Flash Flood Warning	SJT	McCulloch, Mason	3 hr

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.