Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 40, NWS San Angelo, TX

May 15, 2003Callahan County, Shackelford County, Texas

NWS San Angelo, TX issued this tornado warning at May 15, 2003, 9:54 PM CDT for Callahan County, Shackelford County, Texas. It was in force for 36 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 15, 2003, 9:54 PM CDT (02:54 UTC)
Expired: May 15, 2003, 10:30 PM CDT
In force: 36 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.

Issued	Product	Office	Lasted
May 15, 6:25 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.9 hours before the alert went out and 180 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: 2441 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 10.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 160254
TORSJT
TXC059-417-160330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
954 PM CDT THU MAY 15 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 1030 PM CDT

* AT 950 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A TORNADO AT
  ANY TIME 6 MILES WEST OF MORAN...OR ABOUT 12 MILES NORTHEAST OF    
  BAIRD...MOVING EAST AT 20 MPH. THIS STORM HAS A HISTORY OF         
  PRODUCING TORNADOES. PERSONS IN MORAN TAKE COVER NOW

* THE TORNADO IS EXPECTED TO BE NEAR...
   MORAN AT 1005 PM CDT

DOPPLER RADAR SHOWS STRONG ROTATION WITH THIS STORM AND A TORNADO MAY
FORM AT ANY TIME. TAKE COVER NOW ABANDON MOBILE HOMES AND VEHICLES.
MOVE TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR AND STAY AWAY
FROM WINDOWS.

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS AND ARE DIFFICULT TO SEE
IN THE DARK. TAKE COVER IN AN INTERIOR ROOM OF A STURDY BUILDING NOW.

LAT...LON 3261 9937 3244 9933 3248 9891 3271 9897

$$
27/BRAZZELL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 7:41 PM CDT	Tornado Warning	SJT	Fisher	34 min
May 15, 7:43 PM CDT	Tornado Warning	SJT	Jones	62 min
May 15, 7:50 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	55 min
May 15, 8:35 PM CDT	Tornado Warning	SJT	Taylor	25 min
May 15, 8:53 PM CDT	Tornado Warning	SJT	Callahan, Jones, Shackelford	67 min
May 16, 12:00 AM CDT	Severe Thunderstorm Warning	SJT	Haskell	60 min
May 16, 12:50 AM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	55 min
May 16, 1:09 AM CDT	Severe Thunderstorm Warning	SJT	Haskell	66 min
May 16, 1:49 AM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	56 min
May 16, 1:56 AM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	64 min
May 16, 2:14 AM CDT	Severe Thunderstorm Warning	SJT	Haskell	26 min
May 16, 2:43 AM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	62 min

Nearby

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