Alert archive / Texas / Tornado Warnings in 2006

Tornado Warning 13, NWS Brownsville, TX

December 23, 2006Cameron County, Hidalgo County, Willacy County, Texas

NWS Brownsville, TX issued this tornado warning at Dec 23, 2006, 4:24 PM CST for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 36 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: Dec 23, 2006, 4:24 PM CST (22:24 UTC)
Expired: Dec 23, 2006, 5:00 PM CST
In force: 36 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), 60 km from the middle of the area, began a volume at 22:23 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, 10.4 hours before the alert went out and 63 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: 88 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 768 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 379 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBRO 232226
TORBRO
TXC061-215-489-232300-
/O.NEW.KBRO.TO.W.0013.061223T2224Z-061223T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
424 PM CST SAT DEC 23 2006

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CAMERON COUNTY
  EAST CENTRAL HIDALGO COUNTY 
    THIS INCLUDES THE CITIES OF...MERCEDES...EDCOUCH
  SOUTH CENTRAL WILLACY COUNTY IN DEEP SOUTH TEXAS

* UNTIL 500 PM CST

* AT 418 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR EDCOUCH...
  MOVING NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  SANTA ROSA BY 430 PM CST
  SEBASTIAN AND 6 MILES NORTHWEST OF COMBES BY 445 PM CST
  6 MILES SOUTHEAST OF LYFORD BY 450 PM CST

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2628 9804 2612 9794 2630 9755 2649 9767

$$

JS

1 follow-up statement

000 
WWUS54 KBRO 232251
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
449 PM CST SAT DEC 23 2006

TXC061-215-232259-
/O.CAN.KBRO.TO.W.0013.000000T0000Z-061223T2300Z/
HIDALGO TX-CAMERON TX-
449 PM CST SAT DEC 23 2006

...THE TORNADO WARNING FOR CAMERON AND HIDALGO COUNTIES IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2635 9786 2637 9787 2649 9767 2630 9755

$$

TXC489-232300-
/O.CON.KBRO.TO.W.0013.000000T0000Z-061223T2300Z/
WILLACY TX-
449 PM CST SAT DEC 23 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR SOUTH
CENTRAL WILLACY COUNTY...

AT 444 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR LYFORD...OR ABOUT
6 MILES SOUTHWEST OF RAYMONDVILLE...MOVING NORTHEAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  RAYMONDVILLE AT 500 PM CST

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2635 9786 2637 9787 2649 9767 2630 9755

$$

JS

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 23, 6:38 AM CST	Special Marine Warning	BRO		52 min
Dec 23, 3:37 PM CST	Severe Thunderstorm Warning	BRO	Kenedy	53 min
Dec 23, 3:48 PM CST	Severe Thunderstorm Warning	BRO	Hidalgo, Kenedy, Willacy	57 min
Dec 23, 3:50 PM CST	Severe Thunderstorm Warning	BRO	Brooks, Hidalgo, Kenedy	6 min
Dec 23, 4:06 PM CST	Tornado Warning	BRO	Hidalgo, Kenedy, Willacy	24 min
Dec 23, 4:25 PM CST	Severe Thunderstorm Warning	BRO	Kenedy	25 min
Dec 23, 4:31 PM CST	Tornado Warning	BRO	Kenedy	44 min
Dec 23, 4:57 PM CST	Severe Thunderstorm Warning	BRO	Kenedy, Willacy	33 min
Dec 23, 5:05 PM CST	Severe Thunderstorm Warning	BRO	Cameron, Hidalgo	55 min
Dec 23, 5:22 PM CST	Special Marine Warning	BRO		113 min
Dec 23, 5:32 PM CST	Severe Thunderstorm Warning	BRO	Kenedy, Willacy	28 min
Dec 23, 5:54 PM CST	Tornado Warning	BRO	Cameron, Willacy	36 min
Dec 23, 5:59 PM CST	Severe Thunderstorm Warning	BRO	Kenedy, Willacy	31 min

Nearby

Tornado Warnings in Texas, 2006 Every tornado warning in 2006 Tornadoes in 2006

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.