Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 16, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Nov 4, 2012, 4:36 PM CST for Brooks County, Jim Hogg County, Texas. It was in force for 72 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, 4:36 PM CST (22:36 UTC)
- Expired
- Nov 4, 2012, 5:48 PM CST
- In force
- 72 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brooks County, TX, Jim Hogg County, TX
The radar
The Corpus Christi radar (KCRP), 116 km from the middle of the area, began a volume at 22:35 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 12:00Z, 10.6 hours before the alert went out and 122 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
- 1404 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 810 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
683 WGUS54 KBRO 042236 FFWBRO TXC047-247-050000- /O.NEW.KBRO.FF.W.0016.121104T2236Z-121105T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 436 PM CST SUN NOV 4 2012 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN BROOKS COUNTY IN DEEP SOUTH TEXAS... SOUTHEASTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS... * UNTIL 600 PM CST * AT 433 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED TORRENTIAL RAIN OF 4 TO 6 INCHES PER HOUR FROM NEARLY STATIONARY THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER THE WARNED AREA. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR...ESPECIALLY IN THE VICINITY OF ENCINO AND RACHAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BROWNSVILLE. DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN! && LAT...LON 2700 9799 2678 9799 2679 9851 2710 9846 $$ TOMASELLI
2 follow-up statements
032 WGUS74 KBRO 042313 FFSBRO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 513 PM CST SUN NOV 4 2012 TXC047-247-050000- /O.CON.KBRO.FF.W.0016.000000T0000Z-121105T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JIM HOGG TX-BROOKS TX- 513 PM CST SUN NOV 4 2012 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN BROOKS AND SOUTHEASTERN JIM HOGG COUNTIES UNTIL 600 PM CST... LOCATIONS AFFECTED INCLUDE...ENCINO...RACHAL AT 512 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED TORRENTIAL RAIN OF FOUR TO SIX INCHES PER HOUR FROM NEARLY STATIONARY THUNDERSTORMS WITH VERY HEAVY RAINFALL. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A LIFE THREATENING FLOOD! MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. STAY HOME. IF TRAVELING...DO NOT CROSS FLOODED ROADWAYS OR STREAMS. WHEN NEARING A FLOOD AREA...TURN AROUND AND DRIVE TO HIGHER TERRAIN. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BROWNSVILLE. DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN! && LAT...LON 2700 9799 2678 9799 2679 9851 2710 9846 $$ TOMASELLI
902 WGUS74 KBRO 042348 FFSBRO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 548 PM CST SUN NOV 4 2012 TXC047-247-050003- /O.CAN.KBRO.FF.W.0016.000000T0000Z-121105T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JIM HOGG TX-BROOKS TX- 548 PM CST SUN NOV 4 2012 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN BROOKS AND SOUTHEASTERN JIM HOGG COUNTIES IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED. WATER LEVELS 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 2700 9799 2678 9799 2679 9851 2710 9846 $$ TOMASELLI
The 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, 12:19 PM CST | Severe Thunderstorm Warning | BRO | Cameron | 26 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, 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
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.