Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 63, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 9, 2012, 10:02 PM CDT for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 58 min. 2 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
- May 9, 2012, 10:02 PM CDT (03:02 UTC)
- Expired
- May 9, 2012, 11:00 PM CDT
- In force
- 58 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
Counties Cameron County, TX, Hidalgo County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 69 km from the middle of the area, began a volume at 03:04 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 |
|---|---|---|---|
| May 9, 10:35 PM CDT | HAIL 0.75 | Sebastian, TX | VISUAL EVIDENCE SHOWED NO HAIL IMPACT IN SEBASTIAN. ESTIMATED SIZE BASED ON CONVERSATIONS WITH AFFECTED RESIDENTS. HAIL LASTED UP TO 10 MINUTES. PREVIOUS REPORT OF SOFTBALL SIZED HAIL COULD NOT BE VERIFIED BY SURVEY. |
| May 9, 10:35 PM CDT | HAIL 4.5 | Sebastian, TX | TRAINED SPOTTER REPORTS SOFTBALL SIZED HAIL FALLING IN SEBASTIAN FOR LAST FIVE MINUTES. HAPPENING RIGHT NOW...FROM WILLACY EM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 3.0 hours before the alert went out and 71 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.
182 WUUS54 KBRO 100302 SVRBRO TXC061-215-489-100400- /O.NEW.KBRO.SV.W.0063.120510T0302Z-120510T0400Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1002 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. EASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS. SOUTHERN WILLACY COUNTY IN DEEP SOUTH TEXAS. * UNTIL 1100 PM CDT * AT 1002 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DAMAGING 60 MPH WINDS...6 MILES NORTH OF EDCOUCH...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ELSA. MONTE ALTO. EDCOUCH. LA VILLA. LA VILLA. YZNAGA. PRECAUTIONARY/PREPAREDNESS ACTIONS... WIND GUSTS TO 60 MPH OR MORE WILL CAUSE SOME STRUCTURAL DAMAGE... MAINLY TO TREES AND POWER LINES. POORLY ANCHORED ROOFS...MOBILE HOMES...AND SHEDS ARE ALSO AT RISK. 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 2644 9776 2625 9776 2626 9810 2642 9809 TIME...MOT...LOC 0302Z 273DEG 12KT 2637 9798 $$ SPEECE
3 follow-up statements
661 WWUS54 KBRO 100315 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1015 PM CDT WED MAY 9 2012 TXC061-215-489-100400- /O.CON.KBRO.SV.W.0063.000000T0000Z-120510T0400Z/ HIDALGO-CAMERON-WILLACY- 1015 PM CDT WED MAY 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHERN WILLACY...NORTHWESTERN CAMERON AND EASTERN HIDALGO COUNTIES... AT 1015 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM 7 MILES NORTHEAST OF EDCOUCH... MOVING EAST AT 20 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... STOCKHOLM. ZAPATA RANCH. SEBASTIAN. THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING... GOLFBALL SIZE HAIL...WITH POSSIBLE DAMAGE. 60 MPH WIND GUSTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL. PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432. && LAT...LON 2644 9776 2625 9776 2626 9810 2642 9809 TIME...MOT...LOC 0315Z 275DEG 17KT 2634 9786 $$ SPEECE
616 WWUS54 KBRO 100329 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1029 PM CDT WED MAY 9 2012 TXC061-215-489-100400- /O.CON.KBRO.SV.W.0063.000000T0000Z-120510T0400Z/ HIDALGO-CAMERON-WILLACY- 1029 PM CDT WED MAY 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHERN WILLACY...NORTHWESTERN CAMERON AND EASTERN HIDALGO COUNTIES... AT 1029 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM 9 MILES SOUTH OF RAYMONDVILLE... MOVING EAST AT 25 TO 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... SEBASTIAN. THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING... GOLFBALL SIZE HAIL...WITH POSSIBLE DAMAGE. 60 MPH WIND GUSTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. 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 2644 9776 2625 9776 2626 9810 2642 9809 TIME...MOT...LOC 0329Z 268DEG 17KT 2635 9779 $$ SPEECE
344 WWUS54 KBRO 100354 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1054 PM CDT WED MAY 9 2012 TXC215-100403- /O.CAN.KBRO.SV.W.0063.000000T0000Z-120510T0400Z/ HIDALGO- 1054 PM CDT WED MAY 9 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HIDALGO COUNTY IS CANCELLED... LAT...LON 2626 9786 2643 9786 2644 9776 2625 9776 TIME...MOT...LOC 0353Z 267DEG 14KT 2635 9771 $$ TXC061-489-100400- /O.CON.KBRO.SV.W.0063.000000T0000Z-120510T0400Z/ CAMERON-WILLACY- 1054 PM CDT WED MAY 9 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHERN WILLACY AND NORTHWESTERN CAMERON COUNTIES... AT 1053 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM 3 MILES EAST OF SEBASTIAN...MOVING EAST AT 25 MPH. THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING... GOLFBALL SIZE HAIL...WITH POSSIBLE DAMAGE. 60 MPH WIND GUSTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 9786 2643 9786 2644 9776 2625 9776 TIME...MOT...LOC 0353Z 267DEG 14KT 2635 9771 $$ 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, 10:13 PM CDT | Severe Thunderstorm Warning | BRO | Brooks, Kenedy | 52 min |
| May 9, 10:36 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Willacy | 39 min |
| 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.