Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 49, NWS San Angelo, TX

June 21, 2004San Saba County, Texas

NWS San Angelo, TX issued this tornado warning at Jun 21, 2004, 8:57 PM CDT for San Saba County, Texas. It was in force for 48 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
Jun 21, 2004, 8:57 PM CDT (01:57 UTC)
Expired
Jun 21, 2004, 9:45 PM CDT
In force
48 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County San Saba County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.0 hours before the alert went out and 226 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 2004-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1701 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 2004-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.1939Sfc1 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
1701 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1322 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 220157
TORSJT
TXC411-220245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
856 PM CDT MON JUN 21 2004

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  SAN SABA COUNTY IN WEST CENTRAL TEXAS
  THIS INCLUDES THE CITY OF SAN SABA

* UNTIL 945 PM CDT

* AT 855 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
  SAN SABA...OR ABOUT 6 MILES SOUTHEAST OF RICHLAND SPRINGS...MOVING
  EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  SAN SABA BY 910 PM CDT
  CHAPPEL BY 940 PM CDT

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 60 MPH AND VERY 
HEAVY RAINFALL. 

LAT...LON 3137 9891 3114 9896 3099 9850 3130 9863

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:12 PM CDTTornado WarningSJTBrown, San Saba48 min
Jun 21, 7:42 PM CDTSevere Thunderstorm WarningSJTMcCulloch63 min
Jun 21, 7:52 PM CDTSevere Thunderstorm WarningSJTMenard53 min
Jun 21, 7:56 PM CDTSevere Thunderstorm WarningSJTBrown, San Saba64 min
Jun 21, 8:18 PM CDTTornado WarningSJTMcCulloch, San Saba42 min
Jun 21, 8:27 PM CDTFlash Flood WarningSJTConcho, Menard2 hr
Jun 21, 8:53 PM CDTSevere Thunderstorm WarningSJTConcho, Menard52 min
Jun 21, 9:34 PM CDTSevere Thunderstorm WarningSJTTom Green56 min
Jun 21, 9:46 PM CDTSevere Thunderstorm WarningSJTMenard59 min
Jun 21, 9:56 PM CDTFlash Flood WarningSJTTom Green3 hr
Jun 21, 10:26 PM CDTFlash Flood WarningSJTConcho, Menard3 hr
Jun 21, 10:26 PM CDTSevere Thunderstorm WarningSJTTom Green34 min
Jun 21, 11:47 PM CDTSevere Thunderstorm WarningSJTSchleicher, Sutton58 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.