Alert archive / Texas / Tornado Warnings in 2005

Tornado Warning 27, NWS Brownsville, TX

August 31, 2005Cameron County, Hidalgo County, Willacy County, Texas

NWS Brownsville, TX issued this tornado warning at Aug 31, 2005, 5:46 PM CDT for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 29 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 31, 2005, 5:46 PM CDT (22:46 UTC)
Expired
Aug 31, 2005, 6:15 PM CDT
In force
29 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

Counties Cameron County, TX, Hidalgo County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 49 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 52 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 312247
TORBRO
TXC061-215-489-312315-
/O.NEW.KBRO.TO.W.0027.050831T2246Z-050831T2315Z/

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

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN CAMERON COUNTY IN SOUTH CENTRAL TEXAS
  THIS INCLUDES THE CITIES OF...LA FERIA...HARLINGEN
  SOUTHEASTERN HIDALGO COUNTY IN SOUTH CENTRAL TEXAS
  THIS INCLUDES THE CITIES OF...WESLACO...MERCEDES
  SOUTH CENTRAL WILLACY COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 615 PM CDT

* AT 543 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SANTA
  ROSA...OR ABOUT 8 MILES NORTH OF LA FERIA...MOVING SOUTH AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LA FERIA...MERCEDES AND 7 MILES EAST OF WESLACO BY 600 PM CDT
  PROGRESO BY 610 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 2588 9811 2575 9768 2640 9762 2646 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, 5:50 PM CDTSevere Thunderstorm WarningBROHidalgo30 min
Aug 31, 6:12 PM CDTTornado WarningBROHidalgo37 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.