Alert archive / Texas / Tornado Warnings in 2011
Tornado Warning 1, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at Oct 9, 2011, 3:11 PM CDT for Kenedy County, Willacy 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
- Oct 9, 2011, 3:11 PM CDT (20:11 UTC)
- Expired
- Oct 9, 2011, 3:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
Counties Kenedy County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 67 km from the middle of the area, began a volume at 20:12 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 nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 8.2 hours before the alert went out and 69 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.
- Mixed-layer CAPE
- 2641 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
558
WFUS54 KBRO 092011
TORBRO
TXC261-489-092045-
/O.NEW.KBRO.TO.W.0001.111009T2011Z-111009T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
311 PM CDT SUN OCT 9 2011
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN KENEDY COUNTY IN DEEP SOUTH TEXAS.
NORTHEASTERN WILLACY COUNTY IN DEEP SOUTH TEXAS.
* UNTIL 345 PM CDT
* AT 311 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A TORNADO OVER CENTRAL WILLACY COUNTY...MOVING EAST AT 15
MPH.
* THE TORNADO WILL BE NEAR...
WILLAMAR BY 310 PM CDT
PORT MANSFIELD BY 340 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM! MOVE INTO THE INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND
BODY WITH PILLOWS OR BLANKETS.
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2656 9739 2654 9742 2652 9741 2652 9739
2646 9737 2651 9740 2647 9742 2647 9739
2645 9740 2641 9766 2659 9771 2666 9744
2657 9742 2657 9740 2656 9739 2657 9733
2655 9733
TIME...MOT...LOC 2011Z 257DEG 15KT 2652 9758
$$
642 follow-up statements
478
WWUS54 KBRO 092029
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
329 PM CDT SUN OCT 9 2011
TXC261-489-092045-
/O.CON.KBRO.TO.W.0001.000000T0000Z-111009T2045Z/
WILLACY-KENEDY-
329 PM CDT SUN OCT 9 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHEASTERN KENEDY AND NORTHEASTERN WILLACY COUNTIES...
AT 328 PM CDT NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO 9 MILES WEST OF PORT MANSFIELD...MOVING EAST AT 15
MPH. A SECOND AREA OF WEAKER ROTATION WAS NOTED 4 MILES WEST OF SAN
PERLITA...ALSO MOVING EAST AT 15MPH. THIS STORM WILL BE ACCOMPANIED
BY STRONG OUTFLOW WINDS.
THE TORNADO WILL BE NEAR...
PORT MANSFIELD BY 340 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM! ACT QUICKLY. GO TO A SMALL INTERIOR ROOM
ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER
YOUR HEAD WITH PILLOWS OR BLANKETS.
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2656 9739 2654 9742 2652 9741 2652 9739
2646 9737 2651 9740 2647 9742 2647 9739
2645 9740 2641 9766 2659 9771 2666 9744
2657 9742 2657 9740 2656 9739 2657 9733
2655 9733
TIME...MOT...LOC 2028Z 264DEG 8KT 2653 9757
$$
64638
WWUS54 KBRO 092045
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
345 PM CDT SUN OCT 9 2011
TXC261-489-092055-
/O.EXP.KBRO.TO.W.0001.000000T0000Z-111009T2045Z/
WILLACY-KENEDY-
345 PM CDT SUN OCT 9 2011
...THE TORNADO WARNING FOR SOUTHEASTERN KENEDY AND NORTHEASTERN
WILLACY COUNTIES HAS EXPIRED...
AT 345 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE TORNADO
HAD DISSIPATED...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.
DOPPLER RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY
WINDS WERE STILL POSSIBLE FROM THE THUNDERSTORM AS IT MOVES EAST AT
20 MPH.
LAT...LON 2656 9739 2654 9742 2652 9741 2652 9739
2646 9737 2651 9740 2647 9742 2647 9739
2645 9740 2641 9766 2659 9771 2666 9744
2657 9742 2657 9740 2656 9739 2657 9733
2655 9733
TIME...MOT...LOC 2029Z 264DEG 8KT 2653 9757
$$The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 12:45 PM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg, Zapata | 30 min |
| Oct 9, 1:03 PM CDT | Areal Flood Advisory | BRO | Jim Hogg, Zapata | 117 min |
| Oct 9, 2:10 PM CDT | Special Marine Warning | BRO | 2 hr | |
| Oct 9, 2:45 PM CDT | Severe Thunderstorm Warning | BRO | Kenedy, Willacy | 30 min |
| Oct 9, 3:33 PM CDT | Special Marine Warning | BRO | 117 min | |
| Oct 9, 3:38 PM CDT | Areal Flood Advisory | BRO | Kenedy, Willacy | 97 min |
| Oct 9, 4:11 PM CDT | Special Marine Warning | BRO | 3 hr | |
| Oct 9, 5:33 PM CDT | Special Marine Warning | BRO | 117 min |
Nearby
Tornado Warnings in Texas, 2011Every tornado warning in 2011Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.