Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 13, NWS Brownsville, TX

May 8, 2012Brooks County, Jim Hogg County, Starr County, Texas

NWS Brownsville, TX issued this tornado warning at May 8, 2012, 3:52 PM CDT for Brooks County, Jim Hogg County, Starr County, Texas. It was in force for 23 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: May 8, 2012, 3:52 PM CDT (20:52 UTC)
Expired: May 8, 2012, 4:15 PM CDT
In force: 23 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon

Counties Brooks County, TX, Jim Hogg County, TX, Starr County, TX

The radar

The Corpus Christi radar (KCRP), 135 km from the middle of the area, began a volume at 20:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 8, 10:58 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 8.9 hours before the alert went out and 143 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: 2526 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -53 m²/s²
0-3 km storm-relative helicity: -3 m²/s²
Significant tornado parameter: -1.1
Supercell composite: -5.1

Open this sounding in Storm Lab

The text

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

038 
WFUS54 KBRO 082052
TORBRO
TXC047-247-427-082115-
/O.NEW.KBRO.TO.W.0013.120508T2052Z-120508T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
352 PM CDT TUE MAY 8 2012

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN BROOKS COUNTY IN DEEP SOUTH TEXAS.
  SOUTHEASTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS.
  NORTHEASTERN STARR COUNTY IN DEEP SOUTH TEXAS.

* UNTIL 415 PM CDT

* AT 352 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED 
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO JUST WEST 
  OF AGUA NUEVA...MOVING EAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  AGUA NUEVA BY 355 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM! MOVE INTO THE INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND
BODY WITH PILLOWS OR BLANKETS.

PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.

&&

LAT...LON 2702 9827 2678 9832 2675 9833 2683 9875
      2703 9874
TIME...MOT...LOC 2052Z 272DEG 36KT 2692 9863

$$

BUTTS

1 follow-up statement

231 
WWUS54 KBRO 082103
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
403 PM CDT TUE MAY 8 2012

TXC047-247-427-082115-
/O.CON.KBRO.TO.W.0013.000000T0000Z-120508T2115Z/
JIM HOGG-STARR-BROOKS-
403 PM CDT TUE MAY 8 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR WESTERN
BROOKS...NORTHEASTERN STARR AND SOUTHEASTERN JIM HOGG COUNTIES...

AT 403 PM CDT NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER 
AGUA NUEVA...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  AGUA NUEVA BY 405 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM! ACT QUICKLY. GO TO A SMALL INTERIOR ROOM
ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER
YOUR HEAD WITH PILLOWS OR BLANKETS.

PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.

STAY TUNED FOR FURTHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE IN 
BROWNSVILLE.

&&


LAT...LON 2702 9827 2678 9832 2675 9833 2683 9875
      2703 9874
TIME...MOT...LOC 2103Z 287DEG 25KT 2690 9856

$$

BUTTS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 11:51 AM CDT	Severe Thunderstorm Warning	BRO	Zapata	39 min
May 8, 12:29 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	46 min
May 8, 1:09 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Starr, Zapata	36 min
May 8, 2:08 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Starr	52 min
May 8, 2:56 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Zapata	49 min
May 8, 3:48 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Starr, Zapata	42 min
May 8, 3:51 PM CDT	Areal Flood Advisory	BRO	Jim Hogg, Starr, Zapata	114 min
May 8, 4:19 PM CDT	Severe Thunderstorm Warning	BRO	Brooks, Hidalgo, Jim Hogg, Kenedy, Starr	41 min
May 8, 4:25 PM CDT	Tornado Warning	BRO	Brooks, Hidalgo, Jim Hogg, Starr	35 min
May 8, 4:33 PM CDT	Severe Thunderstorm Warning	BRO	Hidalgo, Starr	27 min
May 8, 4:35 PM CDT	Areal Flood Advisory	BRO	Brooks, Jim Hogg, Starr	115 min
May 8, 5:00 PM CDT	Severe Thunderstorm Warning	BRO	Brooks, Hidalgo, Kenedy, Willacy	45 min
May 8, 5:04 PM CDT	Areal Flood Advisory	BRO	Brooks, Hidalgo, Jim Hogg, Kenedy, Starr	116 min
May 8, 5:36 PM CDT	Severe Thunderstorm Warning	BRO	Cameron, Hidalgo, Kenedy, Willacy	39 min
May 8, 5:41 PM CDT	Special Marine Warning	BRO		2 hr
May 8, 5:46 PM CDT	Areal Flood Advisory	BRO	Brooks, Hidalgo, Kenedy, Starr, Willacy	98 min
May 8, 6:16 PM CDT	Severe Thunderstorm Warning	BRO	Cameron, Hidalgo, Kenedy, Willacy	44 min
May 8, 6:20 PM CDT	Areal Flood Advisory	BRO	Hidalgo, Kenedy, Willacy	70 min

Nearby

Tornado Warnings in Texas, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.