Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 97, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Nov 4, 2012, 12:19 PM CST for Cameron County, Texas. It was in force for 26 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
- Nov 4, 2012, 12:19 PM CST (18:19 UTC)
- Expired
- Nov 4, 2012, 12:45 PM CST
- In force
- 26 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 15 km from the middle of the area, began a volume at 18:22 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, 6.3 hours before the alert went out and 15 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
- 2174 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
972
WUUS54 KBRO 041819
SVRBRO
TXC061-041845-
/O.NEW.KBRO.SV.W.0097.121104T1819Z-121104T1845Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1219 PM CST SUN NOV 4 2012
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CAMERON COUNTY IN DEEP SOUTH TEXAS.
* UNTIL 1245 PM CST
* AT 1219 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM...CAPABLE OF PRODUCING DAMAGING 60 MPH WINDS...
8 MILES SOUTHWEST OF PORT ISABEL. THE STORM WAS NEARLY STATIONARY.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PORT ISABEL.
REID HOPE KING.
HIGHWAY 48.
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 2595 9719 2595 9727 2593 9728 2591 9733
2592 9735 2591 9736 2589 9736 2591 9744
2599 9742 2605 9734 2608 9721 2604 9719
2602 9721 2600 9721 2601 9718 2599 9717
TIME...MOT...LOC 1819Z 084DEG 2KT 2598 9730
$$
JGG2 follow-up statements
623
WWUS54 KBRO 041830
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1230 PM CST SUN NOV 4 2012
TXC061-041845-
/O.CON.KBRO.SV.W.0097.000000T0000Z-121104T1845Z/
CAMERON-
1230 PM CST SUN NOV 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM CST
FOR SOUTHEASTERN CAMERON COUNTY...
AT 1229 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED
TO DETECT A SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF PORT ISABEL.
THIS STORM WAS MOVING SLOWLY SOUTHWEST AT ABOUT 5 MPH. THE STRONGEST
PART OF THE STORM IS NOW JUST NORTHEAST OF THE PORT OF BROWNSVILLE.
THE SEVERE THUNDERSTORM WILL BE NEAR...
REID HOPE KING.
HIGHWAY 48.
THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING...
60 MPH WIND GUSTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2599 9741 2604 9731 2604 9728 2602 9723
2597 9722 2595 9727 2593 9728 2591 9733
2592 9735 2591 9736 2589 9736 2591 9744
TIME...MOT...LOC 1829Z 084DEG 2KT 2598 9731
$$
JGG173
WWUS54 KBRO 041845
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1245 PM CST SUN NOV 4 2012
TXC061-041854-
/O.EXP.KBRO.SV.W.0097.000000T0000Z-121104T1845Z/
CAMERON-
1245 PM CST SUN NOV 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CAMERON COUNTY
WILL EXPIRE AT 1245 PM CST...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND IS NO LONGER
SEVERE. GUSTY WINDS TO 45 MPH REMAIN POSSIBLE IN EASTERN BROWNSVILLE
WITH THIS STORM.
LAT...LON 2599 9741 2604 9731 2604 9728 2602 9723
2597 9722 2595 9727 2593 9728 2591 9733
2592 9735 2591 9736 2589 9736 2591 9744
TIME...MOT...LOC 1844Z 084DEG 2KT 2598 9732
$$
JGGThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 4, 1:46 AM CDT | Special Marine Warning | BRO | 59 min | |
| Nov 4, 9:01 AM CST | Special Marine Warning | BRO | 59 min | |
| Nov 4, 12:11 PM CST | Special Marine Warning | BRO | 42 min | |
| Nov 4, 12:58 PM CST | Severe Thunderstorm Warning | BRO | Cameron | 22 min |
| Nov 4, 1:31 PM CST | Special Marine Warning | BRO | 44 min | |
| Nov 4, 4:08 PM CST | Areal Flood Advisory | BRO | Brooks, Jim Hogg | 82 min |
| Nov 4, 4:36 PM CST | Flash Flood Warning | BRO | Brooks, Jim Hogg | 72 min |
| Nov 4, 5:01 PM CST | Areal Flood Advisory | BRO | Hidalgo, Starr | 59 min |
| Nov 4, 5:18 PM CST | Areal Flood Advisory | BRO | Brooks, Jim Hogg | 57 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.