Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 13, NWS Houston/Galveston, TX

April 10, 2004Colorado County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Apr 10, 2004, 5:58 PM CDT for Colorado County, Texas. It was in force for 32 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 10, 2004, 5:58 PM CDT (22:58 UTC)
Expired
Apr 10, 2004, 6:30 PM CDT
In force
32 min
Issued by
NWS Houston/Galveston, TX
Area
Counties, with a storm outline in the text

County Colorado County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 10, 2:50 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 11.0 hours before the alert went out and 237 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, Corpus Christi, TX at 12:00Z on 2004-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1910 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, Corpus Christi, TX at 12:00Z on 2004-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.1939587897Sfc1 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
1910 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

458 
WFUS54 KHGX 102258
TORHOU
TXC089-102330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
558 PM CDT SAT APR 10 2004

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  COLORADO COUNTY IN SOUTHEAST TEXAS

* UNTIL 630 PM CDT

* AT 555 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER COLUMBUS
  ...MOVING EAST AT 30 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
  INDICATED COUNTY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN THE INTERIOR HALLWAY OR
A ROOM SUCH AS A CLOSET ON THE LOWEST LEVEL OF A STURDY BUILDING. 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.

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
SATURDAY EVENING FOR SOUTHEAST TEXAS. A SEVERE THUNDERSTORM WATCH
ALSO REMAINS IN EFFECT UNTIL 900 PM CDT SATURDAY EVENING FOR
SOUTHEAST TEXAS.

LAT...LON 2977 9653 2959 9652 2962 9623 2980 9638

$$

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 3:32 PM CDTSevere Thunderstorm WarningHGXHouston58 min
Apr 10, 4:09 PM CDTTornado WarningHGXHouston51 min
Apr 10, 4:39 PM CDTSevere Thunderstorm WarningHGXColorado36 min
Apr 10, 4:43 PM CDTSevere Thunderstorm WarningHGXBrazos, Madison62 min
Apr 10, 5:23 PM CDTSevere Thunderstorm WarningHGXAustin, Colorado52 min
Apr 10, 5:26 PM CDTSevere Thunderstorm WarningHGXBurleson, Washington49 min
Apr 10, 5:34 PM CDTSevere Thunderstorm WarningHGXGrimes, Montgomery, Walker41 min
Apr 10, 5:44 PM CDTSevere Thunderstorm WarningHGXMontgomery46 min
Apr 10, 5:46 PM CDTTornado WarningHGXAustin44 min
Apr 10, 5:47 PM CDTTornado WarningHGXWaller28 min
Apr 10, 5:51 PM CDTSevere Thunderstorm WarningHGXPolk39 min
Apr 10, 6:00 PM CDTSevere Thunderstorm WarningHGXHarris45 min
Apr 10, 6:02 PM CDTSevere Thunderstorm WarningHGXSan Jacinto43 min
Apr 10, 6:10 PM CDTSevere Thunderstorm WarningHGXWalker50 min
Apr 10, 6:14 PM CDTTornado WarningHGXWaller46 min
Apr 10, 6:21 PM CDTSevere Thunderstorm WarningHGXMontgomery54 min
Apr 10, 6:27 PM CDTTornado WarningHGXAustin33 min
Apr 10, 6:31 PM CDTSevere Thunderstorm WarningHGXColorado44 min
Apr 10, 6:31 PM CDTSevere Thunderstorm WarningHGXPolk, San Jacinto59 min
Apr 10, 6:41 PM CDTSevere Thunderstorm WarningHGXFort Bend, Harris49 min
Apr 10, 6:46 PM CDTSevere Thunderstorm WarningHGXLiberty44 min
Apr 10, 6:46 PM CDTTornado WarningHGXMontgomery44 min
Apr 10, 6:49 PM CDTSevere Thunderstorm WarningHGXWharton56 min
Apr 10, 6:58 PM CDTSevere Thunderstorm WarningHGXWaller32 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.