Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 65, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 9, 2012, 10:36 PM CDT for Cameron County, Willacy County, Texas. It was in force for 39 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, 10:36 PM CDT (03:36 UTC)
- Expired
- May 9, 2012, 11:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
Counties Cameron County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 54 km from the middle of the area, began a volume at 03:37 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, 3.6 hours before the alert went out and 56 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.
280 WUUS54 KBRO 100336 SVRBRO TXC061-489-100415- /O.NEW.KBRO.SV.W.0065.120510T0336Z-120510T0415Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1036 PM CDT WED MAY 9 2012 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS. SOUTHERN WILLACY COUNTY IN DEEP SOUTH TEXAS. * UNTIL 1115 PM CDT * AT 1036 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING BASEBALL TO SOFTBALL SIZE HAIL AND DAMAGING 60 MPH WINDS...OVER SOUTHERN WILLACY COUNTY...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SEBASTIAN. PORFIRIO. SANTA MONICA. LA LEONA. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM! MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD WITH PILLOWS OR CUSHIONS. 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 2626 9784 2644 9785 2647 9745 2625 9744 TIME...MOT...LOC 0336Z 267DEG 25KT 2635 9773 $$ SPEECE
1 follow-up statement
927 WWUS54 KBRO 100417 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1117 PM CDT WED MAY 9 2012 TXC061-489-100425- /O.EXP.KBRO.SV.W.0065.000000T0000Z-120510T0415Z/ CAMERON-WILLACY- 1117 PM CDT WED MAY 9 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WILLACY AND NORTHWESTERN CAMERON COUNTIES HAS EXPIRED... AT 1115 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE THUNDERSTORM OVER SOUTHERN WILLACY COUNTY HAS WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. ALTHOUGH THE SEVERE THUNDERSTORM WARNING HAS EXPIRED...DOPPLER RADAR INDICATES THAT LOCALLY HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS FROM 30 TO 35 MPH WERE STILL POSSIBLE FROM THIS THUNDERSTORM AS IT HEADS TOWARDS THE LAGUNA MADRE. LAT...LON 2626 9784 2644 9785 2647 9745 2625 9744 TIME...MOT...LOC 0336Z 267DEG 25KT 2635 9773 $$ 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, 10:40 PM CDT | Tornado Warning | BRO | Cameron, Willacy | 35 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning 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.