Alert archive / Texas / Tornado Warnings in 2005

Tornado Warning 30, NWS Brownsville, TX

October 27, 2005Cameron County, Texas

NWS Brownsville, TX issued this tornado warning at Oct 27, 2005, 2:29 PM CDT for Cameron County, Texas. It was in force for 31 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
Oct 27, 2005, 2:29 PM CDT (19:29 UTC)
Expired
Oct 27, 2005, 3:00 PM CDT
In force
31 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), 27 km from the middle of the area, began a volume at 19:29 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, 7.5 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.

Skew-T log-pSkew-T log-p diagram, Brownsville Intl, TX at 12:00Z on 2005-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1978 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 2005-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 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
1978 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBRO 271930
TORBRO
TXC061-272000-
/O.NEW.KBRO.TO.W.0030.051027T1929Z-051027T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
229 PM CDT THU OCT 27 2005

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CAMERON COUNTY IN DEEP SOUTH TEXAS
  THIS INCLUDES THE CITY OF SAN BENITO

* UNTIL 300 PM CDT

* AT 222 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SAN
  BENITO...MOVING SOUTH AT 10 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  RANCHO VIEJO BY 245 PM CDT

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.

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 2601 9753 2620 9749 2619 9772 2605 9774

$$

GF
1 follow-up statement
000 
WWUS54 KBRO 272002
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
301 PM CDT THU OCT 27 2005

TXC061-272008-
/O.EXP.KBRO.TO.W.0030.000000T0000Z-051027T2000Z/
CAMERON TX-
301 PM CDT THU OCT 27 2005

...THE TORNADO WARNING FOR CENTRAL CAMERON COUNTY EXPIRES AT 300 PM
CDT...

AT 301 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN 
BROWNSVILLE INDICATED THAT THE TORNADIC THUNDERSTORM THAT WAS NEAR 
SAN BENITO IS MOVING SOUTH TOWARDS MEXICO AND HAS WEAKENED.  
ACCORDINGLY...THE TORNADO WARNING FOR CENTRAL CAMERON COUNTY WILL BE 
ALLOWED TO EXPIRE AT 300 PM.    

LAT...LON 2601 9753 2620 9749 2619 9772 2605 9774

$$

SPEECE

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 27, 12:52 PM CDTMarine Weather StatementBRO4 hr
Oct 27, 2:04 PM CDTSevere Thunderstorm WarningBROCameron41 min
Oct 27, 2:42 PM CDTSpecial Marine WarningBRO93 min
Oct 27, 3:08 PM CDTSevere Thunderstorm WarningBROZapata37 min
Oct 27, 6:41 PM CDTTornado WarningBROBrooks, Kenedy49 min
Oct 27, 6:54 PM CDTMarine Weather StatementBRO2 hr

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.