Alert archive / Texas / Tornado Warnings in 2011

Tornado Warning 3, NWS Corpus Christi, TX

January 9, 2011Aransas County, Refugio County, San Patricio County, Texas

NWS Corpus Christi, TX issued this tornado warning at Jan 9, 2011, 4:06 AM CST for Aransas County, Refugio County, San Patricio County, Texas. It was in force for 24 min. 7 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: Jan 9, 2011, 4:06 AM CST (10:06 UTC)
Expired: Jan 9, 2011, 4:30 AM CST
In force: 24 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon

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

The radar

The Corpus Christi radar (KCRP), 45 km from the middle of the area, began a volume at 10:09 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
Jan 9, 4:10 AM CST	TSTM WND DMG	5 Nw Portland, TX	NWS STORM SURVEY TEAM OBSERVED TREE...SIGN...FENCE AND POWER LINE DAMAGE IN AND NORTHWEST OF PORTLAND. 3 MOBILE HOMES COMPLETELY DESTROYED AND SEVERAL OTHER DAMAGED. SHINGLE DAMAGE WAS OBSERVED ON SEVERAL HOMES. A BARN WAS DESTOYED AS WELL. WINDS WERE ESTIMATE
Jan 9, 4:10 AM CST	TSTM WND DMG	5 Nw Portland, TX	NWS STORM SURVEY TEAM OBSERVED TREE...SIGN...FENCE AND POWER LINE DAMAGE IN AND NORTHWEST OF PORTLAND. 3 MOBILE HOMES COMPLETELY DESTROYED AND SEVERAL OTHER DAMAGED. SHINGLE DAMAGE WAS OBSERVED ON SEVERAL HOMES. A BARN WAS DESTOYED AS WELL. WINDS WERE ESTIMATE
Jan 9, 4:30 AM CST	TSTM WND DMG	5 Nw Portland, TX	GENERAL PUBLIC REPORTED WIND 75 MPH. ROOF OR STRUCTURAL DAMAGE. PICKED UP A BARN AND TURNED IT OVER. LOTS OF SHINGLE DAMAGE.
Jan 9, 4:30 AM CST	TSTM WND DMG	Rockport, TX	ROOF DAMAGE TO ONE HOME IN ROCKPORT. A FEW TREES WERE UPROOTED AS WELL. WINDS ESTIMATED AT 75 MPH.
Jan 9, 4:30 AM CST	TSTM WND DMG	Rockport, TX	ROOF DAMAGE TO SEVERAL HOMES AND TREES UPROOTED ALONG A TWO MILE PATH FROM LIVE OAK ELEMENTARY TO THE INTERSECTION OF NOPAL AND AUSTIN.
Jan 9, 4:36 AM CST	TSTM WND GST 54	Rockport, TX
Jan 9, 4:36 AM CST	TSTM WND GST 54	Rockport, TX

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 9, 2:11 AM CST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 10.1 hours before the alert went out and 40 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 719 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 285 m²/s²
0-3 km storm-relative helicity: 475 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

774 
WFUS54 KCRP 091006
TORCRP
TXC007-391-409-091030-
/O.NEW.KCRP.TO.W.0003.110109T1006Z-110109T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
406 AM CST SUN JAN 9 2011

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL ARANSAS COUNTY IN SOUTH TEXAS...
  SOUTH CENTRAL REFUGIO COUNTY IN SOUTH TEXAS...
  EASTERN SAN PATRICIO COUNTY IN SOUTH TEXAS...

* UNTIL 430 AM CST

* AT 404 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR TAFT...
  MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TAFT...
  BAYSIDE...

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 700 AM CST SUNDAY
MORNING FOR CENTRAL TEXAS.

&&

LAT...LON 2802 9702 2786 9741 2786 9745 2797 9752
      2825 9719 2816 9708 2813 9712 2813 9714
      2807 9720 2805 9713 2809 9707 2811 9705
      2809 9701
TIME...MOT...LOC 1006Z 246DEG 47KT 2792 9741

$$

JR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 9, 2:16 AM CST	Severe Thunderstorm Warning	CRP	Duval, Jim Wells, Live Oak, McMullen	44 min
Jan 9, 2:40 AM CST	Severe Thunderstorm Warning	CRP	Duval, Jim Wells	35 min
Jan 9, 2:50 AM CST	Tornado Warning	CRP	Bee, Live Oak	25 min
Jan 9, 2:59 AM CST	Severe Thunderstorm Warning	CRP	Aransas, Bee, Duval, Goliad, Jim Wells, Kleberg and 4 more	91 min
Jan 9, 3:22 AM CST	Special Marine Warning	CRP		3 hr
Jan 9, 3:26 AM CST	Areal Flood Advisory	CRP	Aransas, Bee, Calhoun, Jim Wells, Kleberg, Live Oak and 3 more	2 hr
Jan 9, 3:42 AM CST	Tornado Warning	CRP	Nueces, San Patricio	33 min
Jan 9, 4:18 AM CST	Tornado Warning	CRP	Aransas, San Patricio	27 min
Jan 9, 4:31 AM CST	Severe Thunderstorm Warning	CRP	Aransas, Kleberg, Nueces, Refugio, San Patricio	29 min
Jan 9, 4:50 AM CST	Severe Thunderstorm Warning	CRP	Calhoun	40 min
Jan 9, 4:56 AM CST	Severe Thunderstorm Warning	CRP	Victoria	19 min
Jan 9, 6:13 AM CST	Special Marine Warning	CRP		47 min

Nearby

Tornado Warnings in Texas, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.