Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 4, NWS Brownsville, TX

April 25, 2003Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this tornado warning at Apr 25, 2003, 7:04 PM CDT for Cameron County, Willacy County, Texas. It was in force for 41 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 25, 2003, 7:04 PM CDT (00:04 UTC)
Expired: Apr 25, 2003, 7:45 PM CDT
In force: 41 min
Issued by: NWS Brownsville, TX
Area: Counties, with a storm outline in the text

Counties Cameron County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 48 km from the middle of the area, began a volume at 00:08 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

Brownsville Intl, TX (KBRO), launched 00:00Z, 0.1 hours before the alert went out and 50 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3736 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -50 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

646 
WFUS54 KBRO 260004
TORBRO
TXC061-489-260045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
703 PM CDT FRI APR 25 2003

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CAMERON COUNTY 
  SOUTHERN WILLACY COUNTY IN DEEP SOUTH TEXAS

* UNTIL 745 PM CDT

* AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LYFORD...OR
  6 MILES SOUTH OF RAYMONDVILLE...MOVING SOUTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   COMBES BY 720 PM CDT.
   HARLINGEN BY 725 PM CDT.
   RIO HONDO BY 730 PM CDT.
   LOS FRESNOS BY 745 PM CDT.

THE TOWN OF BAYVIEW IS ALSO IN THE PATH OF THIS TORNADIC STORM.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA. GO TO A BASEMENT OR SMALL INTERIOR
ROOM ON THE LOWEST FLOOR

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.

LAT...LON 2652 9775 2639 9789 2596 9745 2614 9726

$$

SPEECE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 7:46 PM CDT	Severe Thunderstorm Warning	BRO	Cameron, Hidalgo, Willacy	29 min
Apr 25, 7:50 PM CDT	Severe Thunderstorm Warning	BRO	Cameron	25 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; radar from the NEXRAD Level II archive.