Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Corpus Christi, TX

April 3, 2013Live Oak County, McMullen County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Apr 3, 2013, 3:56 PM CDT for Live Oak County, McMullen County, Texas. It was in force for 34 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
Apr 3, 2013, 3:56 PM CDT (20:56 UTC)
Expired
Apr 3, 2013, 4:30 PM CDT
In force
34 min
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon

Counties Live Oak County, TX, McMullen County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 8.9 hours before the alert went out and 111 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 12:00Z on 2013-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 397 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 12:00Z on 2013-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
397 J/kg
Mixed-layer CIN
-442 J/kg
Mixed-layer LCL
1088 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

830 
WUUS54 KCRP 032056
SVRCRP
TXC297-311-032130-
/O.NEW.KCRP.SV.W.0021.130403T2056Z-130403T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
356 PM CDT WED APR 3 2013

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN LIVE OAK COUNTY IN SOUTH TEXAS...
  CENTRAL MCMULLEN COUNTY IN SOUTH TEXAS...

* UNTIL 430 PM CDT

* AT 355 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.      
  THIS STORM WAS LOCATED NEAR LOMA ALTA...OR 20 MILES SOUTH OF       
  TILDEN...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CLEGG...
  ANNAROSE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 2832 9833 2833 9822 2832 9807 2807 9805
      2811 9839 2812 9859 2827 9860
TIME...MOT...LOC 2056Z 270DEG 33KT 2818 9847

$$

HART
3 follow-up statements
082 
WWUS54 KCRP 032112
SVSCRP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
412 PM CDT WED APR 3 2013

TXC297-311-032130-
/O.CON.KCRP.SV.W.0021.000000T0000Z-130403T2130Z/
LIVE OAK-MCMULLEN-
412 PM CDT WED APR 3 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHWESTERN LIVE OAK AND CENTRAL MCMULLEN COUNTIES...

AT 408 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED 7 MILES NORTHWEST OF CLEGG...OR 16
MILES SOUTHWEST OF GEORGE WEST...MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANNAROSE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 2832 9833 2833 9822 2832 9807 2807 9805
      2811 9839 2812 9859 2827 9860
TIME...MOT...LOC 2112Z 264DEG 33KT 2821 9829

$$

HART
284 
WWUS54 KCRP 032123
SVSCRP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
423 PM CDT WED APR 3 2013

TXC311-032133-
/O.CAN.KCRP.SV.W.0021.000000T0000Z-130403T2130Z/
MCMULLEN-
423 PM CDT WED APR 3 2013

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MCMULLEN COUNTY IS
CANCELLED...

LAT...LON 2816 9828 2819 9830 2828 9831 2832 9831
      2833 9822 2832 9807 2807 9805
TIME...MOT...LOC 2123Z 264DEG 33KT 2823 9817

$$

TXC297-032130-
/O.CON.KCRP.SV.W.0021.000000T0000Z-130403T2130Z/
LIVE OAK-
423 PM CDT WED APR 3 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR CENTRAL LIVE OAK COUNTY...

AT 418 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED OVER CENTRAL LIVE OAK COUNTY...OR 10
MILES SOUTHWEST OF GEORGE WEST...MOVING EAST AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 2816 9828 2819 9830 2828 9831 2832 9831
      2833 9822 2832 9807 2807 9805
TIME...MOT...LOC 2123Z 264DEG 33KT 2823 9817

$$

HART
083 
WWUS54 KCRP 032130
SVSCRP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
430 PM CDT WED APR 3 2013

TXC297-032139-
/O.EXP.KCRP.SV.W.0021.000000T0000Z-130403T2130Z/
LIVE OAK-
430 PM CDT WED APR 3 2013

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LIVE OAK COUNTY WILL 
EXPIRE AT 430 PM CDT... THE THUNDERSTORM HAS WEAKENED IN INTENSITY. 
HOWEVER...SMALL HAIL OF PEA TO DIME SIZE MAY STILL OCCUR OVER LIVE 
OAK COUNTY TO THE SOUTH OF GEORGE WEST.

LAT...LON 2816 9828 2819 9830 2828 9831 2832 9831
      2833 9822 2832 9807 2807 9805
TIME...MOT...LOC 2129Z 264DEG 33KT 2823 9811

$$

HART

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 11:17 PM CDTSevere Thunderstorm WarningCRPLa Salle43 min
Apr 2, 11:58 PM CDTSevere Thunderstorm WarningCRPLa Salle32 min
Apr 3, 12:30 AM CDTSevere Thunderstorm WarningCRPLa Salle30 min
Apr 3, 4:26 AM CDTSpecial Marine WarningCRP64 min
Apr 3, 5:21 PM CDTSevere Thunderstorm WarningCRPBee, Refugio24 min
Apr 3, 5:46 PM CDTSevere Thunderstorm WarningCRPAransas, Refugio29 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013Every severe thunderstorm warning in 2013

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.