Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 2, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Mar 29, 2012, 10:47 PM CDT for Hidalgo County, Texas. It was in force for 3 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, 10:47 PM CDT (03:47 UTC)
- Expired
- Mar 30, 2012, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 82 km from the middle of the area, began a volume at 03:51 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, 3.8 hours before the alert went out and 85 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.
418
WGUS54 KBRO 300347
FFWBRO
TXC215-300700-
/O.NEW.KBRO.FF.W.0002.120330T0347Z-120330T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1047 PM CDT THU MAR 29 2012
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL HIDALGO COUNTY IN DEEP SOUTH TEXAS...
THIS INCLUDES THE CITIES OF...SAN JUAN...PHARR...MISSION...
MCALLEN...HIDALGO...DONNA...ALAMO.
* UNTIL 200 AM CDT
* AT 1045 PM CDT...LAW ENFORCEMENT AND THE PUBLIC REPORTED FLASH
FLOODING IN THE MIDDLE VALLEY. UP TO FOUR FEET OF WATER HAS BEEN
REPORTED OVER STREETS IN MCALLEN WITH OTHER AREAS WHERE WATER IS
GOING UP TO HOMES. SHARY ROAD IN MISSION WAS REPORTED TO BE SEVERELY
FLOODED. RADAR INDICATES VERY HEAVY RAINFALL CONTINUES AND IS
EXPECTED TO LAST UNTIL AT LEAST 1130 PM.
THIS IS A PARTICULARLY DANGEROUS SITUATION. MOTORISTS ARE STRONGLY
ADVISED TO AVOID TRAVELING IN THE AREA.
* OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...GRANJERO...
LOPEZVILLE...MADERO...MCALLEN MILLER AIRPORT...MUNIZ...NORTH
ALAMO...NURILLO...SCISSORS AND SOUTH ALAMO.
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 2606 9816 2605 9820 2607 9822 2607 9825
2608 9827 2610 9829 2612 9829 2610 9831
2615 9835 2616 9838 2626 9828 2628 9811
2611 9800 2606 9810 2606 9813 2605 9814
$$
JGG2 follow-up statements
503
WGUS74 KBRO 300529
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1229 AM CDT FRI MAR 30 2012
TXC215-300700-
/O.CON.KBRO.FF.W.0002.000000T0000Z-120330T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HIDALGO TX-
1229 AM CDT FRI MAR 30 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL HIDALGO
COUNTY UNTIL 200 AM CDT...
AT 1228 AM CDT...THE HEAVIEST RAINFALL HAS ENDED IN THE MIDDLE
VALLEY...BUT MODERATE RAINFALL CONTINUES AND REPORTS OF EXTENSIVE
FLOODING CONTINUE TO BE RECEIVED. MOTORISTS ARE STRONGLY URGED TO
AVOID TRAVEL IN THE MIDDLE VALLEY AREAS THAT ARE FLOODED TONIGHT.
LOCATIONS AFFECTED INCLUDE...
SAN JUAN.
PHARR.
MISSION.
MCALLEN.
HIDALGO.
DONNA.
ALAMO.
OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING
INCLUDE...GRANJERO...LOPEZVILLE...MADERO...MCALLEN MILLER
AIRPORT...NORTH ALAMO...NURILLO...SCISSORS AND SOUTH ALAMO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WIDESPREAD FLOODING IS OCCURRING OR WILL OCCUR SOON. NUMEROUS ROADS
WILL BE CLOSED...AND HOMES ESPECIALLY IN LOW LYING AREAS...WILL
BECOME INUNDATED. MOVE TO HIGHER GROUND IMMEDIATELY!
&&
LAT...LON 2606 9816 2605 9820 2607 9822 2607 9825
2608 9827 2610 9829 2612 9829 2610 9831
2615 9835 2616 9838 2626 9828 2628 9811
2611 9800 2606 9810 2606 9813 2605 9814
$$
JGG252
WGUS74 KBRO 300626
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
126 AM CDT FRI MAR 30 2012
TXC215-300700-
/O.CON.KBRO.FF.W.0002.000000T0000Z-120330T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HIDALGO TX-
126 AM CDT FRI MAR 30 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL HIDALGO
COUNTY UNTIL 200 AM CDT...
LOCATIONS AFFECTED INCLUDE...
SAN JUAN.
PHARR.
MISSION.
MCALLEN.
HIDALGO.
DONNA.
ALAMO.
AT 120 AM CDT...HIDALGO COUNTY EMERGENCY MANAGEMENT REPORTED THAT
FLASH FLOODING CONTINUES BETWEEN TRENTON ROAD AND EXPRESSWAY 83...
AND JACKSON ROAD AND TAYLOR ROAD IN THE CITY OF MCALLEN.
OTHER LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...GRANJERO...
LOPEZVILLE...MADERO...MCALLEN MILLER AIRPORT...NORTH ALAMO...
NURILLO...SCISSORS AND SOUTH ALAMO.
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 2606 9816 2605 9820 2607 9822 2607 9825
2608 9827 2610 9829 2612 9829 2610 9831
2615 9835 2616 9838 2626 9828 2628 9811
2611 9800 2606 9810 2606 9813 2605 9814
$$
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, 11:19 PM CDT | Areal Flood Advisory | BRO | Cameron, Hidalgo | 14 min |
| Mar 29, 11:31 PM CDT | Flash Flood Warning | BRO | Cameron, Hidalgo | 2 hr |
| 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.