Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 2, NWS Brownsville, TX

June 4, 2007Starr County, Zapata County, Texas

NWS Brownsville, TX issued this tornado warning at Jun 4, 2007, 9:47 PM CDT for Starr County, Zapata County, Texas. It was in force for 28 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 4, 2007, 9:47 PM CDT (02:47 UTC)
Expired
Jun 4, 2007, 10:15 PM CDT
In force
28 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

Counties Starr County, TX, Zapata County, TX

The radar

The Brownsville radar (KBRO), 176 km from the middle of the area, began a volume at 02:47 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.

What was reported inside it

TimeReportWhereRemark
Jun 4, 9:50 PM CDTHAIL 0.75Falcon Dam, TXFALCON HEIGHTS POSTMASTER REPORTS MARBLE SIZE HAIL AND SLIGHTLY LARGER HAILSTONES AT FALCON DAM.
Jun 4, 10:21 PM CDTHAIL 1Falcon Dam, TXROMA POLICE DEPARTMENT RELAYED REPORT OF QUARTER SIZE HAIL IN VICINITY OF FALCON DAM AND FALCON HEIGHTS IN STARR COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 2.8 hours before the alert went out and 178 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 00:00Z on 2007-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2408 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 00:00Z on 2007-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939587897Sfc1 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
2408 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KBRO 050247
TORBRO
TXC427-505-050315-
/O.NEW.KBRO.TO.W.0002.070605T0247Z-070605T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
947 PM CDT MON JUN 4 2007

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL STARR COUNTY IN DEEP SOUTH TEXAS...
  THIS INCLUDES THE CITIES OF...FALCON DAM...EL SAUZ...
  EXTREME SOUTH CENTRAL ZAPATA COUNTY IN DEEP SOUTH TEXAS...

* UNTIL 1015 PM CDT

* AT 942 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR FALCON
  DAM...MOVING EAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  EL SAUZ BY 1015 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 2666 9916 2648 9918 2642 9881 2665 9878

$$

PHILO
2 follow-up statements
000 
WWUS54 KBRO 050255
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
954 PM CDT MON JUN 4 2007

TXC427-505-050315-
/O.CON.KBRO.TO.W.0002.000000T0000Z-070605T0315Z/
ZAPATA TX-STARR TX-
954 PM CDT MON JUN 4 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR WEST
CENTRAL STARR AND EXTREME SOUTH CENTRAL ZAPATA COUNTIES...

AT 948 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FALCON DAM...
MOVING EAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  9 MILES WEST OF EL SAUZ BY 1015 PM CDT...

TRAINED SPOTTERS IN WESTERN STARR COUNTY HAVE REPORTED MARBLE SIZE 
HAIL WITH THIS TORNADIC THUNDERSTORM.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 2666 9916 2648 9918 2642 9881 2665 9878

$$

PHILO
000 
WWUS54 KBRO 050303
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1002 PM CDT MON JUN 4 2007

TXC427-505-050315-
/O.CON.KBRO.TO.W.0002.000000T0000Z-070605T0315Z/
ZAPATA TX-STARR TX-
1002 PM CDT MON JUN 4 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR WEST
CENTRAL STARR AND EXTREME SOUTH CENTRAL ZAPATA COUNTIES...

AT 953 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED ABOUT 5 MILES EAST 
OF FALCON DAM...MOVING EAST AT 15 MPH.

TRAINED SPOTTERS HAVE REPORTED PENNY SIZE HAIL WITH THIS TORNADIC 
THUNDERSTORM.

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 2666 9916 2648 9918 2642 9881 2665 9878

$$

PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 8:54 PM CDTSevere Thunderstorm WarningBROJim Hogg, Starr, Zapata66 min
Jun 4, 9:36 PM CDTFlash Flood WarningBROJim Hogg, Starr, Zapata114 min
Jun 4, 10:16 PM CDTTornado WarningBROStarr29 min
Jun 5, 4:43 AM CDTFire Weather WatchBROBrooks, Hidalgo, Jim Hogg, Starr, Zapata33 hr
Jun 5, 11:22 AM CDTSpecial Marine WarningBRO38 min
Jun 5, 2:50 PM CDTSpecial Marine WarningBRO85 min

Nearby

Tornado Warnings in Texas, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.