Alert archive / Texas / Tornado Warnings in 2007

Tornado Warning 9, NWS Corpus Christi, TX

March 31, 2007Goliad County, Texas

NWS Corpus Christi, TX issued this tornado warning at Mar 31, 2007, 4:57 AM CDT for Goliad County, Texas. It was in force for 33 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 31, 2007, 4:57 AM CDT (09:57 UTC)
Expired: Mar 31, 2007, 5:30 AM CDT
In force: 33 min
Issued by: NWS Corpus Christi, TX
Area: Counties, with a storm outline in the text

County Goliad County, TX

The radar

The Corpus Christi radar (KCRP), 97 km from the middle of the area, began a volume at 09:59 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 31, 3:17 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 10.0 hours before the alert went out and 101 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: 294 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 811 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 131 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.

000 
WFUS54 KCRP 310957
TORCRP
TXC175-311030-
/O.NEW.KCRP.TO.W.0009.070331T0957Z-070331T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
457 AM CDT SAT MAR 31 2007

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL GOLIAD COUNTY IN SOUTH TEXAS

* UNTIL 530 AM CDT

* AT 454 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST OF
  GOLIAD...MOVING EAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  GOLIAD BY 510 AM CDT...
  FANNIN BY 530 AM 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT SATURDAY MORNING
FOR CENTRAL TEXAS.

LAT...LON 2856 9755 2857 9756 2873 9757 2876 9717
      2873 9718 2872 9717 2864 9717 2860 9718
      2858 9716 2854 9716

$$

JR

1 follow-up statement

000 
WWUS54 KCRP 311019
SVSCRP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
519 AM CDT SAT MAR 31 2007

TXC175-311030-
/O.CON.KCRP.TO.W.0009.000000T0000Z-070331T1030Z/
GOLIAD-
519 AM CDT SAT MAR 31 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR CENTRAL
GOLIAD COUNTY...

AT 515 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 6 MILES EAST OF
GOLIAD...MOVING EAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  FANNIN BY 525 AM CDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKLE SIZE HAIL.

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 1000 AM CDT SATURDAY MORNING
FOR CENTRAL TEXAS.

LAT...LON 2856 9755 2857 9756 2873 9757 2876 9717
      2873 9718 2872 9717 2864 9717 2860 9718
      2858 9716 2854 9716

$$

JR

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 3:16 AM CDT	Severe Thunderstorm Warning	CRP	Live Oak, McMullen	59 min
Mar 31, 4:04 AM CDT	Severe Thunderstorm Warning	CRP	Bee	41 min
Mar 31, 5:43 AM CDT	Flash Flood Warning	CRP	Goliad	2 hr
Mar 31, 5:58 AM CDT	Flash Flood Warning	CRP	Victoria	2 hr
Mar 31, 7:44 AM CDT	Flash Flood Warning	CRP	Goliad	2 hr
Mar 31, 7:50 AM CDT	Flash Flood Warning	CRP	Victoria	115 min

Nearby

Tornado Warnings in Texas, 2007 Every tornado warning in 2007 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.