Alert archive / Texas / Tornado Warnings in 2012

Tornado Warning 1, NWS Corpus Christi, TX

March 20, 2012Bee County, Live Oak County, Texas

NWS Corpus Christi, TX issued this tornado warning at Mar 20, 2012, 3:36 AM CDT for Bee County, Live Oak County, Texas. It was in force for 24 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 20, 2012, 3:36 AM CDT (08:36 UTC)
Expired: Mar 20, 2012, 4:00 AM CDT
In force: 24 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon

Counties Bee County, TX, Live Oak County, TX

The radar

The Corpus Christi radar (KCRP), 109 km from the middle of the area, began a volume at 08:36 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.

Issued	Product	Office	Lasted
Mar 20, 12:48 AM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 8.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2851 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 778 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

203 
WFUS54 KCRP 200836
TORCRP
TXC025-297-200900-
/O.NEW.KCRP.TO.W.0001.120320T0836Z-120320T0900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
336 AM CDT TUE MAR 20 2012

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BEE COUNTY IN SOUTH CENTRAL TEXAS...
  NORTH CENTRAL LIVE OAK COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 400 AM CDT

* AT 335 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PAWNEE...OR
  16 MILES NORTHEAST OF THREE RIVERS...MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TULSITA...
  PETTUS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM CDT
TUESDAY MORNING FOR SOUTH TEXAS.

&&

LAT...LON 2870 9801 2873 9791 2870 9789 2868 9783
      2868 9778 2860 9772 2855 9810 2875 9815
      2876 9806
TIME...MOT...LOC 0835Z 263DEG 35KT 2866 9801

$$


MB

1 follow-up statement

274 
WWUS54 KCRP 200845
SVSCRP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
345 AM CDT TUE MAR 20 2012

TXC025-297-200900-
/O.CON.KCRP.TO.W.0001.000000T0000Z-120320T0900Z/
BEE-LIVE OAK-
345 AM CDT TUE MAR 20 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 AM CDT FOR
NORTHWESTERN BEE AND NORTH CENTRAL LIVE OAK COUNTIES...

AT 345 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR PAWNEE...OR 12 
MILES SOUTHWEST OF KENEDY...MOVING EAST AT 40 MPH. 

* LOCATIONS IMPACTED INCLUDE...
  TULSITA...
  PETTUS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 AM CDT
TUESDAY MORNING FOR SOUTH TEXAS.

&&

LAT...LON 2870 9801 2873 9791 2870 9789 2868 9783
      2868 9778 2860 9772 2855 9810 2875 9815
      2876 9806
TIME...MOT...LOC 0845Z 263DEG 35KT 2867 9790

$$


MB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 11:27 PM CDT	Severe Thunderstorm Warning	CRP	Webb	48 min
Mar 20, 12:15 AM CDT	Severe Thunderstorm Warning	CRP	Webb	45 min
Mar 20, 12:49 AM CDT	Severe Thunderstorm Warning	CRP	La Salle	41 min
Mar 20, 1:32 AM CDT	Severe Thunderstorm Warning	CRP	La Salle, Webb	43 min
Mar 20, 2:17 AM CDT	Severe Thunderstorm Warning	CRP	Duval, La Salle, McMullen, Webb	58 min
Mar 20, 2:26 AM CDT	Areal Flood Advisory	CRP	La Salle	109 min
Mar 20, 3:06 AM CDT	Severe Thunderstorm Warning	CRP	Bee, Live Oak, McMullen	54 min
Mar 20, 3:28 AM CDT	Severe Thunderstorm Warning	CRP	Live Oak	32 min
Mar 20, 5:30 AM CDT	Coastal Flood Advisory	CRP	Aransas, Calhoun	6 hr
Mar 20, 5:31 AM CDT	Special Marine Warning	CRP		89 min
Mar 20, 6:30 AM CDT	Special Marine Warning	CRP		60 min
Mar 20, 6:52 AM CDT	Special Marine Warning	CRP		83 min
Mar 20, 7:30 AM CDT	Special Marine Warning	CRP		60 min
Mar 20, 7:46 AM CDT	River Flood Warning	CRP	Calhoun, Victoria	4 days
Mar 20, 7:46 AM CDT	River Flood Warning	CRP	Calhoun, Victoria	7 days
Mar 20, 10:09 AM CDT	River Flood Warning	CRP	Calhoun, Goliad, Victoria	10 hr

Nearby

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