Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 40, NWS Corpus Christi, TX

May 10, 2012Duval County, McMullen County, Texas

NWS Corpus Christi, TX issued this tornado warning at May 10, 2012, 7:25 PM CDT for Duval County, McMullen 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
May 10, 2012, 7:25 PM CDT (00:25 UTC)
Expired
May 10, 2012, 8:00 PM CDT
In force
35 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon

Counties Duval County, TX, McMullen County, TX

The radar

The Corpus Christi radar (KCRP), 104 km from the middle of the area, began a volume at 00:25 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.

IssuedProductOfficeLasted
May 10, 11:40 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.4 hours before the alert went out and 122 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, Corpus Christi, TX at 00:00Z on 2012-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2214 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, Corpus Christi, TX at 00:00Z on 2012-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 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
2214 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
636 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
3.4
Supercell composite
14.5

Open this sounding in Storm Lab

The text

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

352 
WFUS54 KCRP 110025
TORCRP
TXC131-311-110100-
/O.NEW.KCRP.TO.W.0040.120511T0025Z-120511T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
725 PM CDT THU MAY 10 2012

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL DUVAL COUNTY IN SOUTH CENTRAL TEXAS...
  SOUTH CENTRAL MCMULLEN COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 800 PM CDT

* AT 724 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES NORTH OF
  FREER...MOVING EAST AT 20 MPH. THIS IS A VERY DANGEROUS STORM
  CAPABLE OF PRODUCING A LARGE AND DANGEROUS TORNADO.

* LOCATIONS IMPACTED INCLUDE...
  SEVEN SISTERS...
  LOMA ALTA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT THURSDAY EVENING
FOR SOUTH TEXAS.

&&

LAT...LON 2813 9844 2791 9834 2786 9871 2806 9876
TIME...MOT...LOC 0024Z 263DEG 18KT 2796 9862

$$

MB
1 follow-up statement
329 
WWUS54 KCRP 110039
SVSCRP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
739 PM CDT THU MAY 10 2012

TXC131-311-110100-
/O.CON.KCRP.TO.W.0040.000000T0000Z-120511T0100Z/
DUVAL-MCMULLEN-
739 PM CDT THU MAY 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR SOUTH
CENTRAL MCMULLEN AND NORTHERN DUVAL COUNTIES...

AT 738 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SEVEN SISTERS...OR
7 MILES NORTHEAST OF FREER...MOVING EAST AT 20 MPH. ALTHOUGH THIS 
STORM HAS WEAKENED...THERE IS STILL THE POSSIBILITY OF A BRIEF 
TORNADO TOUCHDOWN NEAR SEVEN SISTERS.

* LOCATIONS IMPACTED INCLUDE...
  SEVEN SISTERS...
  LOMA ALTA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 800 PM CDT THURSDAY EVENING
FOR SOUTH TEXAS.

&&

LAT...LON 2813 9844 2791 9834 2786 9871 2806 9876
TIME...MOT...LOC 0038Z 263DEG 18KT 2797 9854

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:05 PM CDTTornado WarningCRPDuval, Jim Wells, Live Oak, McMullen40 min
May 10, 7:12 PM CDTSevere Thunderstorm WarningCRPLa Salle63 min
May 10, 7:12 PM CDTSevere Thunderstorm WarningCRPBee, Goliad, Refugio48 min
May 10, 7:28 PM CDTTornado WarningCRPWebb47 min
May 10, 7:33 PM CDTTornado WarningCRPLa Salle42 min
May 10, 7:43 PM CDTTornado WarningCRPLive Oak47 min
May 10, 7:51 PM CDTSevere Thunderstorm WarningCRPGoliad, Victoria54 min
May 10, 7:53 PM CDTTornado WarningCRPDuval, Jim Wells, Live Oak, McMullen37 min
May 10, 7:56 PM CDTSevere Thunderstorm WarningCRPDuval, La Salle, McMullen, Webb34 min
May 10, 7:59 PM CDTFlash Flood WarningCRPDuval, La Salle, Live Oak, McMullen, Webb2 hr
May 10, 8:05 PM CDTSevere Thunderstorm WarningCRPDuval, Webb55 min
May 10, 8:13 PM CDTFlash Flood WarningCRPBee, Duval, Live Oak, McMullen2 hr
May 10, 8:16 PM CDTTornado WarningCRPBee, Live Oak, San Patricio59 min
May 10, 8:29 PM CDTSevere Thunderstorm WarningCRPDuval, Jim Wells, McMullen46 min
May 10, 8:41 PM CDTSevere Thunderstorm WarningCRPGoliad, Victoria64 min
May 10, 8:44 PM CDTSevere Thunderstorm WarningCRPDuval, Jim Wells, Nueces, San Patricio, Webb46 min
May 10, 9:12 PM CDTSevere Thunderstorm WarningCRPJim Wells, Nueces, San Patricio63 min
May 10, 9:24 PM CDTSevere Thunderstorm WarningCRPDuval, Jim Wells, Kleberg, Nueces, San Patricio, Webb51 min
May 10, 9:34 PM CDTTornado WarningCRPSan Patricio41 min
May 10, 9:53 PM CDTSpecial Marine WarningCRP112 min
May 10, 10:06 PM CDTSevere Thunderstorm WarningCRPKleberg, Nueces, San Patricio54 min
May 10, 10:22 PM CDTTornado WarningCRPAransas, Nueces, San Patricio23 min
May 10, 10:28 PM CDTTornado WarningCRPAransas, Refugio, San Patricio32 min
May 10, 10:41 PM CDTTornado WarningCRPAransas, Nueces, San Patricio34 min
May 10, 10:45 PM CDTSevere Thunderstorm WarningCRPAransas, Calhoun, Nueces, Refugio, San Patricio45 min
May 10, 10:53 PM CDTTornado WarningCRPAransas, Refugio, San Patricio37 min
May 10, 10:58 PM CDTSevere Thunderstorm WarningCRPAransas, Kleberg, Nueces, San Patricio47 min
May 10, 11:13 PM CDTTornado WarningCRPGoliad, Victoria32 min
May 10, 11:14 PM CDTSevere Thunderstorm WarningCRPAransas, Calhoun, Goliad, Refugio, Victoria61 min
May 10, 11:15 PM CDTTornado WarningCRPAransas, Calhoun, Refugio30 min
May 10, 11:25 PM CDTSpecial Marine WarningCRP3 hr
May 10, 11:32 PM CDTSevere Thunderstorm WarningCRPAransas, Calhoun, Nueces, Refugio, San Patricio13 min
May 10, 11:36 PM CDTTornado WarningCRPCalhoun24 min
May 10, 11:44 PM CDTTornado WarningCRPVictoria16 min
May 11, 12:00 AM CDTTornado WarningCRPCalhoun45 min
May 11, 12:36 AM CDTSevere Thunderstorm WarningCRPCalhoun24 min
May 11, 12:41 AM CDTSevere Thunderstorm WarningCRPDuval, Webb34 min
May 11, 1:26 AM CDTSpecial Marine WarningCRP64 min
May 11, 2:27 AM CDTSpecial Marine WarningCRP2 hr
May 11, 4:30 AM CDTSpecial Marine WarningCRP60 min
May 11, 9:02 AM CDTRiver Flood WarningCRPCalhoun, Victoria5 days

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.