Alert archive / Texas / Tornado Warnings in 2003
Tornado Warning 11, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at Aug 12, 2003, 3:58 PM CDT for Cameron 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
- Aug 12, 2003, 3:58 PM CDT (20:58 UTC)
- Expired
- Aug 12, 2003, 4:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 26 km from the middle of the area, began a volume at 20:57 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 12:00Z, 9.0 hours before the alert went out and 29 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.
- Mixed-layer CAPE
- 2173 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KBRO 122058 TORBRO TXC061-122130- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 358 PM CDT TUE AUG 12 2003 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL CAMERON COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 430 PM CDT * AT 351 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RANCHO VIEJO...OR 6 MILES SOUTH OF SAN BENITO...MOVING SOUTHWEST AT 10 MPH. * THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF... CAMERON COUNTY. WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY 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 2600 9751 2616 9759 2607 9788 2586 9778 $$
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 2:15 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 45 min |
| Aug 12, 2:20 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 10 min |
| Aug 12, 3:01 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 44 min |
| Aug 12, 3:04 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 41 min |
| Aug 12, 6:45 PM CDT | Severe Thunderstorm Warning | BRO | Starr, Zapata | 60 min |
| Aug 12, 6:48 PM CDT | Severe Thunderstorm Warning | BRO | Brooks, Hidalgo | 57 min |
Nearby
Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes 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.