Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 18, NWS San Angelo, TX

April 7, 2002Crockett County, Texas

NWS San Angelo, TX issued this tornado warning at Apr 7, 2002, 2:57 PM CDT for Crockett County, Texas. It was in force for 48 min. 2 reports 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 7, 2002, 2:57 PM CDT (19:57 UTC)
Expired: Apr 7, 2002, 3:45 PM CDT
In force: 48 min
Issued by: NWS San Angelo, TX
Area: Counties, with a storm outline in the text

County Crockett County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 7, 3:00 PM CDT	Hail 1	Ozona, TX
Apr 7, 3:03 PM CDT	Tornado F0	Ozona, TX	A storm chaser spotted a second tornado from the main storm, passing south of Ozona in central Crockett County. Again, no injuries or damage was reported.

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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 7, 1:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 8.0 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-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: 1329 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 311 m²/s²
0-3 km storm-relative helicity: 328 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 8.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 071957
TORSJT
TXC105-072045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
257 PM CDT SUN APR 7 2002

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  CROCKETT COUNTY IN SOUTHWEST TEXAS

* UNTIL 345 PM CDT

* AT 251 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 8 MILES SOUTHWEST OF OZONA...MOVING EAST AT 35  
  MPH. FUNNEL CLOUDS HAVE BEEN REPORTED WITH THIS STORM. 

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

LAT...LON 3070 10139 3054 10131 3062 10100 3083 10097

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 7:29 PM CST	Severe Thunderstorm Warning	SJT	Taylor	31 min
Apr 7, 1:32 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	58 min
Apr 7, 2:02 PM CDT	Tornado Warning	SJT	Crockett	58 min
Apr 7, 2:35 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	40 min
Apr 7, 3:07 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	53 min
Apr 7, 3:10 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	65 min
Apr 7, 3:12 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	33 min
Apr 7, 3:14 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	46 min
Apr 7, 3:17 PM CDT	Severe Thunderstorm Warning	SJT	Coke	58 min
Apr 7, 3:19 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	41 min
Apr 7, 3:25 PM CDT	Tornado Warning	SJT	Schleicher, Sutton	65 min
Apr 7, 3:30 PM CDT	Tornado Warning	SJT	Throckmorton	60 min
Apr 7, 3:40 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, Runnels	35 min
Apr 7, 3:42 PM CDT	Severe Thunderstorm Warning	SJT	Taylor	63 min
Apr 7, 3:44 PM CDT	Severe Thunderstorm Warning	SJT	Callahan	61 min
Apr 7, 3:52 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford	53 min
Apr 7, 3:55 PM CDT	Severe Thunderstorm Warning	SJT	Jones	65 min
Apr 7, 3:58 PM CDT	Severe Thunderstorm Warning	SJT	Crockett	62 min
Apr 7, 4:08 PM CDT	Flash Flood Warning	SJT	Throckmorton	2 hr
Apr 7, 4:09 PM CDT	Severe Thunderstorm Warning	SJT	Coleman, Runnels	66 min
Apr 7, 4:22 PM CDT	Severe Thunderstorm Warning	SJT	Fisher	53 min
Apr 7, 4:24 PM CDT	Tornado Warning	SJT	Menard, Schleicher	66 min
Apr 7, 4:27 PM CDT	Tornado Warning	SJT	Throckmorton	48 min
Apr 7, 4:43 PM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch	62 min
Apr 7, 5:04 PM CDT	Severe Thunderstorm Warning	SJT	Brown	56 min
Apr 7, 5:25 PM CDT	Tornado Warning	SJT	McCulloch, Mason, Menard	65 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.