Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 2, NWS Brownsville, TX

March 29, 2012Kenedy County, Texas

NWS Brownsville, TX issued this tornado warning at Mar 29, 2012, 5:55 PM CDT for Kenedy County, Texas. It was in force for 35 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
Mar 29, 2012, 5:55 PM CDT (22:55 UTC)
Expired
Mar 29, 2012, 6:30 PM CDT
In force
35 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon

County Kenedy County, TX

The radar

The Brownsville radar (KBRO), 83 km from the middle of the area, began a volume at 22:55 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, 10.9 hours before the alert went out and 85 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 2012-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1455 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 2012-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 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
1455 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

157 
WFUS54 KBRO 292255
TORBRO
TXC261-292330-
/O.NEW.KBRO.TO.W.0002.120329T2255Z-120329T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
555 PM CDT THU MAR 29 2012

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN KENEDY COUNTY IN DEEP SOUTH TEXAS.

* UNTIL 630 PM CDT

* AT 554 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE   
TRACKING A TORNADO OVER SOUTHERN KENEDY COUNTY...ABOUT 6 MILES 
SOUTHEAST OF RUDOLPH...MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RURAL SOUTHEASTERN KENEDY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 2667 9752 2660 9753 2660 9770 2667 9769
TIME...MOT...LOC 2254Z 273DEG 9KT 2665 9764

$$
GIBBS/CASTILLO
2 follow-up statements
249 
WWUS54 KBRO 292315
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
615 PM CDT THU MAR 29 2012

TXC261-292330-
/O.CON.KBRO.TO.W.0002.000000T0000Z-120329T2330Z/
KENEDY-
615 PM CDT THU MAR 29 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHERN
KENEDY COUNTY...

AT 614 PM CDT NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO 11 MILES NORTHEAST OF RAYMONDVILLE...MOVING SOUTHEAST
AT 5 MPH. 

THE TORNADO WILL BE NEAR...
RURAL SOUTHERN KENEDY COUNTY...SOUTHEAST OF RUDOLPH. THIS TORNADO 
WILL STAY EAST OF THE HIGHWAY.

IN ADDITION TO THE THREAT OF A TORNADO...THIS STORM IS LIKELY 
PRODUCING HAIL TO GOLF BALL SIZE OR LARGER.


LAT...LON 2667 9756 2660 9758 2660 9770 2667 9769
TIME...MOT...LOC 2314Z 337DEG 5KT 2661 9767

$$

JGG
495 
WWUS54 KBRO 292330
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
630 PM CDT THU MAR 29 2012

TXC261-292340-
/O.EXP.KBRO.TO.W.0002.000000T0000Z-120329T2330Z/
KENEDY-
630 PM CDT THU MAR 29 2012

...THE TORNADO WARNING FOR SOUTHERN KENEDY COUNTY HAS EXPIRED...

THE TORNADO WARNING HAS BEEN REPLACED BY A SEVERE THUNDERSTORM 
WARNING. THE THREAT FOR SEVERE WEATHER CONTINUES FOR SOUTHERN KENEDY 
COUNTY.


LAT...LON 2667 9756 2660 9758 2660 9770 2667 9769
TIME...MOT...LOC 2330Z 337DEG 5KT 2659 9766

$$

JGG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 3:31 PM CDTSevere Thunderstorm WarningBROKenedy59 min
Mar 29, 4:18 PM CDTSpecial Marine WarningBRO87 min
Mar 29, 4:29 PM CDTSevere Thunderstorm WarningBROKenedy61 min
Mar 29, 4:37 PM CDTAreal Flood AdvisoryBROKenedy113 min
Mar 29, 5:34 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Kenedy, Willacy56 min
Mar 29, 6:02 PM CDTTornado WarningBROWillacy28 min
Mar 29, 6:13 PM CDTAreal Flood AdvisoryBROBrooks, Hidalgo, Kenedy2 hr
Mar 29, 6:26 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Kenedy, Willacy64 min
Mar 29, 6:29 PM CDTSevere Thunderstorm WarningBROKenedy, Willacy61 min
Mar 29, 6:59 PM CDTAreal Flood AdvisoryBROBrooks, Hidalgo, Kenedy, Starr2 hr

Nearby

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