Alert archive / Texas / Tornado Warnings in 2005

Tornado Warning 29, NWS Brownsville, TX

August 31, 2005Hidalgo County, Texas

NWS Brownsville, TX issued this tornado warning at Aug 31, 2005, 6:12 PM CDT for Hidalgo County, Texas. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 31, 2005, 6:12 PM CDT (23:12 UTC)
Expired
Aug 31, 2005, 6:49 PM CDT
In force
37 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 70 km from the middle of the area, began a volume at 23:12 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.

What was reported inside it

TimeReportWhereRemark
Aug 31, 6:13 PM CDTTSTM WND DMGEdinburg, TX4 POWER POLES DOWN NEAR EDINBURG WATER PLANT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 11.2 hours before the alert went out and 72 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, Brownsville Intl, TX at 12:00Z on 2005-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2222 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, Brownsville Intl, TX at 12:00Z on 2005-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
2222 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1048 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBRO 312315
TORBRO
TXC215-312345-
/O.NEW.KBRO.TO.W.0029.050831T2312Z-050831T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
612 PM CDT WED AUG 31 2005

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN HIDALGO COUNTY IN SOUTH CENTRAL TEXAS
  THIS INCLUDES THE CITIES OF...WESLACO...SAN JUAN...PHARR...
  MERCEDES...MCALLEN...EDINBURG...EDCOUCH...DONNA...ALAMO

* UNTIL 645 PM CDT

* AT 608 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MERCEDES...
  MOVING SOUTHWEST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WESLACO BY 620 PM CDT
  PROGRESO AND DONNA BY 630 PM CDT
  8 MILES SOUTHEAST OF ALAMO BY 635 PM CDT
  9 MILES SOUTHEAST OF SAN JUAN BY 640 PM CDT

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 2631 9788 2636 9819 2612 9830 2602 9788

$$

MARTIN
1 follow-up statement
000 
WWUS54 KBRO 312349
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
647 PM CDT WED AUG 31 2005

TXC215-312357-
/O.EXP.KBRO.TO.W.0029.000000T0000Z-050831T2345Z/
HIDALGO TX-
647 PM CDT WED AUG 31 2005

...THE TORNADO WARNING FOR SOUTHEASTERN HIDALGO COUNTY EXPIRES AT 645
PM CDT...

AT 647 PM...DOPPLER RADAR INDICATED THAT THE THUNDERSTORM OVER 
SOUTHEASTERN HIDALGO COUNTY HAS WEAKENED. ACCORDINGLY...THE TORNADO 
WARNING HAS EXPIRED AT 645 PM. 

LAT...LON 2631 9788 2636 9819 2612 9830 2602 9788

$$

MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 4:50 PM CDTTornado WarningBROCameron, Willacy25 min
Aug 31, 5:08 PM CDTSevere Thunderstorm WarningBROHidalgo37 min
Aug 31, 5:16 PM CDTTornado WarningBROCameron, Hidalgo, Willacy29 min
Aug 31, 5:46 PM CDTTornado WarningBROCameron, Hidalgo, Willacy29 min
Aug 31, 5:50 PM CDTSevere Thunderstorm WarningBROHidalgo30 min

Nearby

Tornado Warnings in Texas, 2005Every tornado warning in 2005Tornadoes in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.