Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 89, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Aug 19, 2012, 5:00 PM CDT for Willacy County, Texas. It was in force for 30 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
- Aug 19, 2012, 5:00 PM CDT (22:00 UTC)
- Expired
- Aug 19, 2012, 5:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
County Willacy County, TX
The radar
The Brownsville radar (KBRO), 72 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 74 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
- 2862 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 487 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -69 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
841 WUUS54 KBRO 192200 SVRBRO TXC489-192230- /O.NEW.KBRO.SV.W.0089.120819T2200Z-120819T2230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 500 PM CDT SUN AUG 19 2012 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL WILLACY COUNTY IN DEEP SOUTH TEXAS. * UNTIL 530 PM CDT * AT 500 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING DAMAGING 60 MPH WINDS... OVER RAYMONDVILLE...MOVING EAST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... YTURRIA. RAYMONDVILLE. LYFORD. 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 2655 9758 2636 9767 2646 9791 2660 9787 TIME...MOT...LOC 2200Z 290DEG 6KT 2652 9778 $$ 59
2 follow-up statements
740
WWUS54 KBRO 192218
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
518 PM CDT SUN AUG 19 2012
TXC489-192230-
/O.CON.KBRO.SV.W.0089.000000T0000Z-120819T2230Z/
WILLACY-
518 PM CDT SUN AUG 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR CENTRAL WILLACY COUNTY...
THE SEVERE THUNDERSTORM WILL BE NEAR...
LOS ANGELES SUBDIVISION.
SAN PERLITA.
THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2660 9787 2655 9758 2636 9767 2644 9786
2645 9790
TIME...MOT...LOC 2217Z 290DEG 6KT 2651 9775
$$157
WWUS54 KBRO 192233
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
533 PM CDT SUN AUG 19 2012
TXC489-192242-
/O.EXP.KBRO.SV.W.0089.000000T0000Z-120819T2230Z/
WILLACY-
533 PM CDT SUN AUG 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WILLACY COUNTY HAS
EXPIRED...
AT 532 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THE
THUNDERSTORM HAD WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING
HAS BEEN ALLOWED TO EXPIRE.
DOPPLER RADAR INDICATED THAT HEAVY RAIN AND GUSTY WINDS WERE STILL
POSSIBLE FROM THE THUNDERSTORM.
LAT...LON 2660 9787 2655 9758 2636 9767 2644 9786
2645 9790
TIME...MOT...LOC 2218Z 290DEG 6KT 2651 9775
$$
59Nearby
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.