Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 24, NWS San Angelo, TX

April 13, 2002Irion County, Tom Green County, Texas

NWS San Angelo, TX issued this tornado warning at Apr 13, 2002, 5:31 PM CDT for Irion County, Tom Green County, Texas. It was in force for 59 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 13, 2002, 5:31 PM CDT (22:31 UTC)
Expired
Apr 13, 2002, 6:30 PM CDT
In force
59 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Irion County, TX, Tom Green County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.5 hours before the alert went out and 126 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, Midland Regional, TX at 12:00Z on 2002-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1027 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, Midland Regional, TX at 12:00Z on 2002-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 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
1027 J/kg
Mixed-layer CIN
-285 J/kg
Mixed-layer LCL
1742 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 132231
TORSJT
TXC235-451-132330-

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

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  TOM GREEN COUNTY IN SOUTHWEST TEXAS
  IRION COUNTY IN SOUTHWEST TEXAS

* UNTIL 630 PM CDT

* AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 15 MILES NORTHWEST OF ARDEN...OR ABOUT 20 MILES
  SOUTH OF STERLING CITY...MOVING EAST AT 10 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   ARDEN AT 630 PM CDT

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

LAT...LON 3156 10117 3139 10072 3156 10062 3156 10116

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:16 PM CDTSevere Thunderstorm WarningSJTTom Green29 min
Apr 12, 8:12 PM CDTSevere Thunderstorm WarningSJTTom Green48 min
Apr 12, 9:00 PM CDTSevere Thunderstorm WarningSJTTom Green60 min
Apr 12, 9:13 PM CDTSevere Thunderstorm WarningSJTConcho62 min
Apr 12, 9:21 PM CDTSevere Thunderstorm WarningSJTSchleicher54 min
Apr 13, 4:41 PM CDTSevere Thunderstorm WarningSJTSterling64 min
Apr 13, 4:57 PM CDTSevere Thunderstorm WarningSJTConcho63 min
Apr 13, 5:20 PM CDTSevere Thunderstorm WarningSJTMcCulloch55 min
Apr 13, 5:38 PM CDTSevere Thunderstorm WarningSJTMenard37 min
Apr 13, 6:10 PM CDTSevere Thunderstorm WarningSJTMcCulloch65 min
Apr 13, 6:22 PM CDTTornado WarningSJTMason53 min
Apr 13, 6:28 PM CDTSevere Thunderstorm WarningSJTIrion62 min
Apr 13, 6:56 PM CDTFlash Flood WarningSJTMcCulloch, Mason3 hr

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.