Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Corpus Christi, TX

March 10, 20084 counties in Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 10, 2008, 2:14 PM CDT for 4 counties in Texas. It was in force for 76 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 10, 2008, 2:14 PM CDT (19:14 UTC)
Expired: Mar 10, 2008, 3:30 PM CDT
In force: 76 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon

Counties Aransas County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 36 km from the middle of the area, began a volume at 19:18 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.

What was reported inside it

Time	Report	Where	Remark
Mar 10, 2:21 PM CDT	TORNADO	5 Nw Gregory, TX	KZTV TELEVISION NEWS CREW VIDEO TAPED A BRIEF TORNADO TOUCH DOWN NORTHWEST OF GREGORY.
Mar 10, 2:28 PM CDT	TSTM WND GST 50	Rockport, TX
Mar 10, 3:03 PM CDT	TSTM WND GST 68	Flour Bluff, TX	RECORDED AT THE NAVAL AIR STATION CORPUS CHRISTI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 7.2 hours before the alert went out and 25 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: 520 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 646 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KCRP 101914
SVRCRP
TXC007-355-391-409-102030-
/O.NEW.KCRP.SV.W.0021.080310T1914Z-080310T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
214 PM CDT MON MAR 10 2008

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ARANSAS COUNTY IN SOUTH TEXAS
  NUECES COUNTY IN SOUTH TEXAS
  SOUTH CENTRAL REFUGIO COUNTY IN SOUTH TEXAS
  EASTERN SAN PATRICIO COUNTY IN SOUTH TEXAS

* UNTIL 330 PM CDT

* AT 212 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 10 MILES NORTH OF HOLIDAY BEACH TO 14 MILES SOUTHWEST OF
  ROBSTOWN...OR ALONG A LINE EXTENDING FROM 10 MILES NORTH OF HOLIDAY
  BEACH TO 10 MILES NORTHEAST OF KINGSVILLE...AND MOVING SOUTHEAST AT
  25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PORTLAND...GREGORY AND CORPUS CHRISTI BY 220 PM CDT...
  HOLIDAY BEACH BY 225 PM CDT...
  ROCKPORT AND INGLESIDE BY 230 PM CDT...
  INGLESIDE AND ARANSAS PASS BY 235 PM CDT...
  CHAPMAN RANCH BY 240 PM CDT...
  PORT ARANSAS BY 245 PM CDT...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...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 2762 9786 2841 9700 2822 9680 2798 9697
      2799 9699 2809 9695 2811 9699 2810 9700
      2796 9704 2796 9703 2796 9698 2779 9711
      2780 9714 2787 9708 2779 9718 2786 9728
      2782 9736 2775 9736 2764 9723 2756 9731
TIME...MOT...LOC 1914Z 309DEG 25KT 2826 9696 2760 9774

$$

1 follow-up statement

000 
WWUS54 KCRP 101930
SVSCRP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
229 PM CDT MON MAR 10 2008

TXC007-355-391-409-102030-
/O.CON.KCRP.SV.W.0021.000000T0000Z-080310T2030Z/
ARANSAS-NUECES-REFUGIO-SAN PATRICIO-
229 PM CDT MON MAR 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR NUECES...ARANSAS...EASTERN SAN PATRICIO AND CENTRAL REFUGIO
COUNTIES...

AT 230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM THE CORPUS CHRISTI INTERNATIONAL AIRPORT TO JUST 
NORTH OF ROCKPORT...MOVING SOUTHEAST AT 40 MPH. BRIEF ISOLATED 
TORNADOES WILL BE POSSIBLE ALONG THIS ADVANCING LINE.

SEVERE THUNDERSTORMS WILL BE NEAR...
  ARANSAS PASS BY 235 PM CDT...
  CHAPMAN RANCH BY 240 PM CDT...
  FLOUR BLUFF BY 245 PM CDT...
  PORT ARANSAS BY 250 PM CDT...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 2762 9786 2841 9700 2822 9680 2798 9697
      2799 9699 2809 9695 2811 9699 2810 9700
      2796 9704 2796 9703 2796 9698 2779 9711
      2780 9714 2787 9708 2779 9718 2786 9728
      2782 9736 2775 9736 2764 9723 2756 9731
TIME...MOT...LOC 1929Z 309DEG 25KT 2819 9687 2753 9765

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 12:42 PM CDT	Marine Weather Statement	CRP		8 hr
Mar 10, 1:00 PM CDT	Special Marine Warning	CRP		2 hr
Mar 10, 1:23 PM CDT	Special Marine Warning	CRP		3 hr
Mar 10, 1:35 PM CDT	Severe Thunderstorm Warning	CRP	Bee, Refugio	55 min
Mar 10, 1:51 PM CDT	Tornado Warning	CRP	San Patricio	39 min
Mar 10, 2:01 PM CDT	Tornado Warning	CRP	San Patricio	44 min
Mar 10, 2:56 PM CDT	Special Marine Warning	CRP		2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.