Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 3, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Mar 29, 2012, 11:31 PM CDT for Cameron County, Hidalgo County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 29, 2012, 11:31 PM CDT (04:31 UTC)
- Expired
- Mar 30, 2012, 2:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cameron County, TX, Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 61 km from the middle of the area, began a volume at 04:31 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, 4.5 hours before the alert went out and 63 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
- 1987 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 741 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
673
WGUS54 KBRO 300431
FFWBRO
TXC061-215-300700-
/O.NEW.KBRO.FF.W.0003.120330T0431Z-120330T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1131 PM CDT THU MAR 29 2012
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS...
SOUTHEASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS...
THIS INCLUDES THE CITIES OF...WESLACO...MERCEDES...EDCOUCH.
* UNTIL 200 AM CDT
* AT 1131 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED
TORRENTIAL RAINFALL OF MORE THAN 3 INCHES SINCE 1030 PM FROM SLOW
MOVING THUNDERSTORMS NEAR MERCEDES AND LA FERIA AND AND AREAS WEST
OF HARLINGEN.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR.
OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ELSA...
GRAND ACRES...INDIAN HILLS...LA BLANCA...LA FERIA NORTH...LA
VILLA...LAGUNA SECA...LLANO GRANDE...MIDWAY NORTH...MIDWAY SOUTH...
MILA DOCE...MUNIZ...OLIVAREZ...RATAMOSA...SANTA ROSA...TIERRA
BONITA...VILLA VERDE AND YZNAGA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WIDESPREAD FLOODING IS OCCURRING OR WILL OCCUR SOON. NUMEROUS ROADS
WILL BE CLOSED...AND HOMES ESPECIALLY IN LOW LYING AREAS...WILL
BECOME INUNDATED. MOVE TO HIGHER GROUND IMMEDIATELY!
DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN!
&&
LAT...LON 2611 9800 2628 9811 2634 9781 2634 9780
2617 9779
$$
JGG1 follow-up statement
598
WGUS74 KBRO 300636
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
136 AM CDT FRI MAR 30 2012
TXC061-215-300700-
/O.CON.KBRO.FF.W.0003.000000T0000Z-120330T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HIDALGO TX-CAMERON TX-
136 AM CDT FRI MAR 30 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN CAMERON AND
SOUTHEASTERN HIDALGO COUNTIES UNTIL 200 AM CDT...
LOCATIONS AFFECTED INCLUDE...
WESLACO.
MERCEDES.
EDCOUCH.
AT 130 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING
STILL OCCURRING ALONG BUSINESS 83 IN THE CITY OF WESLACO.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR.
OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ELSA...GRAND
ACRES...INDIAN HILLS...LA BLANCA...LA FERIA NORTH...LA VILLA...LAGUNA
SECA...LLANO GRANDE...MIDWAY NORTH...MIDWAY SOUTH...MILA DOCE...
MUNIZ...OLIVAREZ...RATAMOSA...SANTA ROSA...TIERRA BONITA...VILLA
VERDE AND YZNAGA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WIDESPREAD FLOODING IS OCCURRING OR WILL OCCUR SOON. NUMEROUS ROADS
WILL BE CLOSED...AND HOMES ESPECIALLY IN LOW LYING AREAS...WILL
BECOME INUNDATED. MOVE TO HIGHER GROUND IMMEDIATELY!
&&
LAT...LON 2611 9800 2628 9811 2634 9781 2634 9780
2617 9779
$$
TOMASELLIThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 7:25 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Jim Hogg, Starr | 65 min |
| Mar 29, 7:41 PM CDT | Areal Flood Advisory | BRO | Hidalgo, Starr | 64 min |
| Mar 29, 8:29 PM CDT | Areal Flood Advisory | BRO | Brooks, Jim Hogg | 2 hr |
| Mar 29, 8:37 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 53 min |
| Mar 29, 8:40 PM CDT | Areal Flood Advisory | BRO | Hidalgo | 95 min |
| Mar 29, 9:09 PM CDT | Tornado Warning | BRO | Hidalgo | 36 min |
| Mar 29, 9:12 PM CDT | Flash Flood Warning | BRO | Hidalgo, Zapata | 17 days |
| Mar 29, 9:20 PM CDT | Severe Thunderstorm Warning | BRO | Starr | 33 min |
| Mar 29, 9:31 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 29 min |
| Mar 29, 9:46 PM CDT | Tornado Warning | BRO | Hidalgo | 29 min |
| Mar 29, 10:18 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 42 min |
| Mar 29, 10:47 PM CDT | Flash Flood Warning | BRO | Hidalgo | 3 hr |
| Mar 29, 11:19 PM CDT | Areal Flood Advisory | BRO | Cameron, Hidalgo | 14 min |
| Mar 29, 11:54 PM CDT | Special Marine Warning | BRO | 76 min | |
| Mar 30, 12:31 AM CDT | Areal Flood Advisory | BRO | Cameron | 76 min |
| Mar 30, 2:08 AM CDT | Areal Flood Warning | BRO | Cameron, Hidalgo | 2 hr |
| Mar 30, 2:53 AM CDT | Special Marine Warning | BRO | 70 min | |
| Mar 30, 3:32 AM CDT | Small Craft Advisory for Hazardous Seas | BRO | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2012Every flash flood 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.