Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 14, NWS Brownsville, TX

November 23, 2004Brooks County, Texas

NWS Brownsville, TX issued this tornado warning at Nov 23, 2004, 10:16 PM CST for Brooks County, Texas. It was in force for 44 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: Nov 23, 2004, 10:16 PM CST (04:16 UTC)
Expired: Nov 23, 2004, 11:00 PM CST
In force: 44 min
Issued by: NWS Brownsville, TX
Area: Counties, with a storm outline in the text

County Brooks County, TX

The radar

The Corpus Christi radar (KCRP), 97 km from the middle of the area, began a volume at 04:18 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

Corpus Christi, TX (KCRP), launched 00:00Z, 4.3 hours before the alert went out and 108 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: 3323 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 782 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 7.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBRO 240416
TORBRO
TXC047-240500-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1015 PM CST TUE NOV 23 2004

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BROOKS COUNTY IN DEEP SOUTH TEXAS

* UNTIL 1100 PM CST

* AT 1010 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHEAST OF HEBBRONVILLE...MOVING EAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   FALFURRIAS BY 1040 PM CST.

IN ADDITION TO THE TORNADO...THIS STORM HAS A HISTORY OF PRODUCING 
GREATER THAN MARBLE SIZE HAIL AND IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS.

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 2735 9853 2716 9851 2708 9800 2747 9801

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 23, 9:45 PM CST	Tornado Warning	BRO	Jim Hogg, Zapata	45 min
Nov 23, 11:07 PM CST	Special Marine Warning	BRO		53 min

Nearby

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