Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 13, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Jul 13, 2012, 8:22 PM CDT for Jim Hogg County, Texas. It was in force for 101 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
- Jul 13, 2012, 8:22 PM CDT (01:22 UTC)
- Expired
- Jul 13, 2012, 10:03 PM CDT
- In force
- 101 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Jim Hogg County, TX
The radar
The Corpus Christi radar (KCRP), 150 km from the middle of the area, began a volume at 01:24 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, 1.4 hours before the alert went out and 162 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
- 1234 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1362 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
425 WGUS54 KBRO 140122 FFWBRO TXC247-140330- /O.NEW.KBRO.FF.W.0013.120714T0122Z-120714T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 822 PM CDT FRI JUL 13 2012 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL AND WESTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS... * UNTIL 1030 PM CDT * AT 817 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED WIDESPREAD STRONG THUNDERSTORMS OVER CENTRAL AND WESTERN JIM HOGG PRODUCING TORRENTIAL RAIN OF 3 TO 4 INCHES OVER THE LAST HOUR FROM SLOW MOVING THUNDERSTORMS. THESE THUNDERSTORMS ARE NEARLY STATIONARY AT THIS TIME. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING OF LOW LYING AREAS AND ROADWAYS TO OCCUR NEAR THE TOWNS OF RANDADO AND GUERRA THROUGH 1030 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF WILL CAUSE FLOODING OF SMALL ARROYOS AND STREAMS... AND SOME COUNTRY ROADS. FARMLAND ALONG STREAM BANKS WILL BE INUNDATED. MOVE TO HIGHER GROUND. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN! && LAT...LON 2718 9865 2679 9866 2679 9895 2718 9895 $$ SPEECE
2 follow-up statements
156 WGUS74 KBRO 140216 FFSBRO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 916 PM CDT FRI JUL 13 2012 TXC247-140330- /O.CON.KBRO.FF.W.0013.000000T0000Z-120714T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JIM HOGG TX- 916 PM CDT FRI JUL 13 2012 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN AND CENTRAL JIM HOGG COUNTY UNTIL 1030 PM CDT... AT 913 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED TORRENTIAL RAINFALL RATES OF 2 TO 3 INCHES PER HOUR FROM SLOW MOVING THUNDERSTORMS LOCATED OVER CENTRAL JIM HOGG COUNTY. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR NEAR THE TOWNS OF GUERRA AND RANDADO THROUGH 1030 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS TO RISE. DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN! && LAT...LON 2718 9865 2679 9866 2679 9895 2718 9895 $$ SPEECE/BILLINGS
438 WGUS74 KBRO 140303 FFSBRO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1003 PM CDT FRI JUL 13 2012 TXC247-140314- /O.CAN.KBRO.FF.W.0013.000000T0000Z-120714T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JIM HOGG TX- 1003 PM CDT FRI JUL 13 2012 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL AND WESTERN JIM HOGG COUNTY IS CANCELLED... AT 959 PM CDT...THE HEAVY RAIN PRODUCING THUNDERSTORMS THAT AFFECTED CENTRAL AND WESTERN JIM HOGG COUNTY EARLIER THIS EVENING HAVE DISSIPATED. HIGH WATER LEVELS DUE TO THIS HEAVY RAIN HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. PRECAUTIONARY/PREPAREDNESS ACTIONS... DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN! && LAT...LON 2718 9865 2679 9866 2679 9895 2718 9895 $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 7:30 PM CDT | Areal Flood Advisory | BRO | Jim Hogg | 90 min |
| Jul 13, 8:33 PM CDT | Areal Flood Advisory | BRO | Starr | 117 min |
| Jul 13, 9:03 PM CDT | Flash Flood Warning | BRO | Starr | 59 min |
| Jul 13, 9:30 PM CDT | Areal Flood Advisory | BRO | Zapata | 90 min |
| Jul 14, 6:22 PM CDT | Areal Flood Advisory | BRO | Starr | 83 min |
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.