Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 32, NWS San Angelo, TX

May 7, 2003Callahan County, Shackelford County, Texas

NWS San Angelo, TX issued this tornado warning at May 7, 2003, 7:28 PM CDT for Callahan County, Shackelford County, Texas. It was in force for 47 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
May 7, 2003, 7:28 PM CDT (00:28 UTC)
Expired
May 7, 2003, 8:15 PM CDT
In force
47 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Callahan County, TX, Shackelford County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
May 7, 5:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.5 hours before the alert went out and 194 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, Fort Worth, TX at 00:00Z on 2003-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2620 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2003-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.19395878Sfc1 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
2620 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1523 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 080028
TORSJT
TXC059-417-080115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
728 PM CDT WED MAY 7 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN SHACKELFORD COUNTY IN NORTH CENTRAL TEXAS
  NORTHERN CALLAHAN COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 815 PM CDT

* AT 725 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A TORNADO AT
  ANY TIME ALONG THE CALLAHAN AND SHACKELFORD COUNTY LINE ABOUT 15   
  MILES WEST OF MORAN...OR ABOUT 9 MILES NORTH OF MORAN...MOVING     
  EAST AT 35 MPH. GOLFBALL SIZE HAIL AND 70 MPH WINDS ARE ALSO       
  LIKELY WITH THIS STORM.

* THE TORNADO IS EXPECTED TO BE NEAR...
   MORAN AT 740 PM CDT

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

LAT...LON 3256 9947 3248 9948 3247 9913 3260 9912

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 7:33 PM CDTTornado WarningSJTCallahan, Shackelford42 min

Nearby

Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes in 2003

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.