Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 15, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at May 9, 2012, 10:40 PM CDT for Cameron County, Willacy County, Texas. It was in force for 35 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
- May 9, 2012, 10:40 PM CDT (03:40 UTC)
- Expired
- May 9, 2012, 11:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
Counties Cameron County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 50 km from the middle of the area, began a volume at 03:42 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 00:00Z, 3.7 hours before the alert went out and 53 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
- 2929 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- -12 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
367 WFUS54 KBRO 100340 TORBRO TXC061-489-100415- /O.NEW.KBRO.TO.W.0015.120510T0340Z-120510T0415Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1040 PM CDT WED MAY 9 2012 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS. SOUTHERN WILLACY COUNTY IN DEEP SOUTH TEXAS. * UNTIL 1115 PM CDT * AT 1040 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A TORNADO OVER NORTHWESTERN CAMERON COUNTY...MOVING EAST AT 25 MPH. * THE TORNADO WILL BE NEAR... SEBASTIAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT. TAKE COVER NOW! MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON MOBILE HOMES. IF IN A VEHICLE AND THERE IS NO STURDY BUILDING NEARBY...PARK. CLOSE WINDOWS...LEAVE SEATBELTS ON...GET LOWER THAN THE DASHBOARD...AND COVER YOUR HEAD...PREFERABLY WITH BLANKETS OR PILLOWS. IF THERE IS NO DEBRIS...LEAVE THE VEHICLE AND GO INTO A DITCH OR LOW SPOT...BUT WATCH FOR RISING WATERS. 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 2634 9756 2625 9756 2627 9783 2635 9783 TIME...MOT...LOC 0340Z 271DEG 18KT 2631 9776 $$ SPEECE
2 follow-up statements
126 WWUS54 KBRO 100358 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1058 PM CDT WED MAY 9 2012 TXC061-489-100415- /O.CON.KBRO.TO.W.0015.000000T0000Z-120510T0415Z/ CAMERON-WILLACY- 1058 PM CDT WED MAY 9 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR SOUTHERN WILLACY AND NORTHWESTERN CAMERON COUNTIES... AT 1058 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO TRACK A TORNADO 8 MILES NORTHWEST OF HARLINGEN VALLEY AIRPORT... MOVING EAST AT 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM! ACT QUICKLY. GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD WITH PILLOWS OR BLANKETS. PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432. && LAT...LON 2634 9756 2625 9756 2627 9783 2635 9783 TIME...MOT...LOC 0358Z 272DEG 9KT 2630 9774 $$ SPEECE
268 WWUS54 KBRO 100421 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1121 PM CDT WED MAY 9 2012 TXC061-489-100428- /O.EXP.KBRO.TO.W.0015.000000T0000Z-120510T0415Z/ CAMERON-WILLACY- 1121 PM CDT WED MAY 9 2012 ...THE TORNADO WARNING FOR SOUTHERN WILLACY AND NORTHWESTERN CAMERON COUNTIES HAS EXPIRED... AT 1115 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE THUNDERSTORM OVER SOUTHERN WILLACY COUNTY HAS WEAKENED AND WAS NO LONGER SEVERE...THUS THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. ALTHOUGH THE TORNADO WARNING HAS EXPIRED...DOPPLER RADAR INDICATES THAT LOCALLY HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS FROM 30 TO 35 MPH WERE STILL POSSIBLE FROM THIS THUNDERSTORM AS IT HEADS OVER SOUTHEASTERN WILLACY COUNTY TOWARDS THE LAGUNA MADRE. LAT...LON 2634 9756 2625 9756 2627 9783 2635 9783 TIME...MOT...LOC 0358Z 271DEG 13KT 2630 9773 $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:48 PM CDT | Areal Flood Advisory | BRO | Hidalgo, Starr | 87 min |
| May 9, 9:19 PM CDT | Areal Flood Advisory | BRO | Hidalgo, Willacy | 86 min |
| May 9, 9:29 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Willacy | 46 min |
| May 9, 10:02 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Willacy | 58 min |
| May 9, 10:13 PM CDT | Severe Thunderstorm Warning | BRO | Brooks, Kenedy | 52 min |
| May 9, 10:36 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Willacy | 39 min |
Nearby
Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes 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.