Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 73, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 11, 2012, 7:06 PM CDT for Brooks 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 11, 2012, 7:06 PM CDT (00:06 UTC)
- Expired
- May 11, 2012, 7:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
County Brooks County, TX
The radar
The Corpus Christi radar (KCRP), 85 km from the middle of the area, began a volume at 00:05 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
Corpus Christi, TX (KCRP), launched 00:00Z, 0.1 hours before the alert went out and 93 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
- 2310 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
605
WUUS54 KBRO 120006
SVRBRO
TXC047-120045-
/O.NEW.KBRO.SV.W.0073.120512T0006Z-120512T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
706 PM CDT FRI MAY 11 2012
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BROOKS COUNTY IN DEEP SOUTH TEXAS.
* UNTIL 745 PM CDT
* AT 706 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL...OVER
FALFURRIAS...MOVING SOUTHEAST AT 10 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
FALFURRIAS.
AIRPORT ROAD ADDITION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
QUARTER SIZE HAIL IS LIKELY. MOVE INDOORS IMMEDIATELY.
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 2723 9798 2722 9798 2721 9799 2710 9799
2701 9806 2720 9828 2727 9822 2726 9803
TIME...MOT...LOC 0006Z 310DEG 7KT 2721 9813
$$
SPEECE2 follow-up statements
669
WWUS54 KBRO 120018
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
718 PM CDT FRI MAY 11 2012
TXC047-120045-
/O.CON.KBRO.SV.W.0073.000000T0000Z-120512T0045Z/
BROOKS-
718 PM CDT FRI MAY 11 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN BROOKS COUNTY...
AT 717 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM 7 MILES SOUTH OF FALFURRIAS...MOVING
SOUTH AT 15 TO 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
CANTU ADDITION.
THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING...
QUARTER SIZE HAIL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2723 9798 2722 9798 2721 9799 2710 9799
2701 9806 2720 9828 2727 9822 2726 9803
TIME...MOT...LOC 0017Z 339DEG 16KT 2713 9811
$$
SPEECE669
WWUS54 KBRO 120052
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
752 PM CDT FRI MAY 11 2012
TXC047-120059-
/O.EXP.KBRO.SV.W.0073.000000T0000Z-120512T0045Z/
BROOKS-
752 PM CDT FRI MAY 11 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BROOKS COUNTY HAS
EXPIRED...
AT 749 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED
THAT THE SEVERE THUNDERSTORM THAT PRODUCED THE QUARTER SIZE HAIL IN
FALFURRIAS IS NOW LOCATED OVER EAST CENTRAL BROOKS COUNTY AND HAS
WEAKENED.
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.
ALTHOUGH THIS STORM IS NO LONGER SEVERE AT THIS TIME...DOPPLER RADAR
IN BROWNSVILLE INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY
WINDS FROM 25 TO 35 MPH WERE STILL POSSIBLE FROM THE THUNDERSTORM AS
IT MOVES SOUTH AT 10 TO 15 MPH HEADING FOR THE ENCINO AND RACHAL
AREAS.
LAT...LON 2723 9798 2722 9798 2721 9799 2710 9799
2701 9806 2720 9828 2727 9822 2726 9803
TIME...MOT...LOC 0018Z 357DEG 11KT 2714 9811
$$
SPEECEThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 10:50 PM CDT | Areal Flood Advisory | BRO | Zapata | 55 min |
| May 12, 1:42 AM CDT | Areal Flood Advisory | BRO | Zapata | 63 min |
| May 12, 2:13 AM CDT | Severe Thunderstorm Warning | BRO | Zapata | 62 min |
| May 12, 2:28 AM CDT | Flash Flood Warning | BRO | Zapata | 92 min |
| May 12, 3:12 AM CDT | Severe Thunderstorm Warning | BRO | Zapata | 63 min |
| May 12, 3:58 AM CDT | Flash Flood Warning | BRO | Zapata | 92 min |
| May 12, 4:03 PM CDT | Severe Thunderstorm Warning | BRO | Willacy | 42 min |
| May 12, 4:50 PM CDT | Severe Thunderstorm Warning | BRO | Willacy | 40 min |
| May 12, 4:57 PM CDT | Areal Flood Advisory | BRO | Willacy | 63 min |
| May 12, 5:20 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 25 min |
| May 12, 5:24 PM CDT | Areal Flood Advisory | BRO | Cameron, Hidalgo, Willacy | 66 min |
| May 12, 5:43 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 32 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.