Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 13, NWS San Angelo, TX

April 2, 2004Concho County, Tom Green County, Texas

NWS San Angelo, TX issued this tornado warning at Apr 2, 2004, 2:11 PM CST for Concho County, Tom Green County, Texas. It was in force for 64 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 2, 2004, 2:11 PM CST (20:11 UTC)
Expired
Apr 2, 2004, 3:15 PM CST
In force
64 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Concho County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 44 km from the middle of the area, began a volume at 20:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.2 hours before the alert went out and 218 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 2004-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 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 2004-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 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
73 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1213 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
-33 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.

366 
WFUS54 KSJT 022011
TORSJT
TXC095-451-022115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
211 PM CST FRI APR 2 2004

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  CONCHO COUNTY IN SOUTHWEST TEXAS
  SOUTHEASTERN TOM GREEN COUNTY IN SOUTHWEST TEXAS

* UNTIL 315 PM CST

* AT 206 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 22 MILES WEST OF
  EDEN...OR ABOUT 21 MILES SOUTHEAST OF SAN ANGELO...MOVING EAST AT
  20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  EDEN BY 310 PM CST

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3133 10027 3111 10025 3110 9979 3129 9970

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 10:08 AM CSTSevere Thunderstorm WarningSJTConcho37 min
Apr 2, 10:19 AM CSTTornado WarningSJTConcho26 min
Apr 2, 10:45 AM CSTTornado WarningSJTConcho45 min
Apr 2, 10:58 AM CSTSevere Thunderstorm WarningSJTHaskell62 min
Apr 2, 11:30 AM CSTFlash Flood WarningSJTColeman105 min
Apr 2, 12:01 PM CSTSevere Thunderstorm WarningSJTIrion, Tom Green44 min
Apr 2, 1:13 PM CSTSevere Thunderstorm WarningSJTTom Green47 min
Apr 2, 1:33 PM CSTSevere Thunderstorm WarningSJTIrion57 min
Apr 2, 1:46 PM CSTSevere Thunderstorm WarningSJTSterling44 min
Apr 2, 2:00 PM CSTSevere Thunderstorm WarningSJTTom Green60 min
Apr 2, 4:42 PM CSTSevere Thunderstorm WarningSJTMason48 min

Nearby

Tornado Warnings in Texas, 2004Every tornado warning in 2004Tornadoes in 2004

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; radar from the NEXRAD Level II archive.