Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 42, NWS Corpus Christi, TX

May 10, 2012La Salle County, Texas

NWS Corpus Christi, TX issued this tornado warning at May 10, 2012, 7:33 PM CDT for La Salle County, Texas. It was in force for 42 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, 7:33 PM CDT (00:33 UTC)
Expired
May 10, 2012, 8:15 PM CDT
In force
42 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon

County La Salle County, TX

The radar

The Laughlin AFB radar (KDFX), 139 km from the middle of the area, began a volume at 00:36 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

Del Rio, TX (KDRT), launched 00:00Z, 0.6 hours before the alert went out and 191 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, Del Rio, TX at 00:00Z on 2012-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2012-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 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
67 J/kg
Mixed-layer CIN
-176 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

392 
WFUS54 KCRP 110033
TORCRP
TXC283-110115-
/O.NEW.KCRP.TO.W.0042.120511T0033Z-120511T0115Z/

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

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LA SALLE COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 815 PM CDT

* AT 732 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
  NORTHWEST OF WOODWARD...OR 12 MILES WEST OF DILLEY...MOVING EAST AT
  35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WOODWARD...
  MILLET...
  LOS ANGELES...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE
PROTECTION FROM TORNADIC WINDS. VEHICLES STOPPED UNDER BRIDGES BLOCK
TRAFFIC AND PREVENT PEOPLE FROM GETTING OUT OF THE STORM'S PATH AND
TO SHELTER. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF
YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT.

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

&&

LAT...LON 2839 9889 2850 9940 2855 9941 2865 9939
      2865 9883
TIME...MOT...LOC 0032Z 278DEG 28KT 2862 9934

$$

MB
1 follow-up statement
773 
WWUS54 KCRP 110047
SVSCRP

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

TXC283-110115-
/O.CON.KCRP.TO.W.0042.000000T0000Z-120511T0115Z/
LA SALLE-
747 PM CDT THU MAY 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR NORTHERN
LA SALLE COUNTY...

AT 747 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR MILLET...OR 6
MILES SOUTHWEST OF DILLEY...MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LOS ANGELES...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2839 9889 2850 9940 2855 9941 2865 9939
      2865 9883
TIME...MOT...LOC 0047Z 278DEG 28KT 2860 9921

$$

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, 7:25 PM CDTTornado WarningCRPDuval, McMullen35 min
May 10, 7:28 PM CDTTornado WarningCRPWebb47 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.