Alert archive / Texas / Flash Flood Warnings in 2011
Flash Flood Warning 3, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Oct 1, 2011, 5:45 PM CDT for Jim Hogg County, Texas. It was in force for 75 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
- Oct 1, 2011, 5:45 PM CDT (22:45 UTC)
- Expired
- Oct 1, 2011, 7:00 PM CDT
- In force
- 75 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), 157 km from the middle of the area, began a volume at 22:45 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, 10.8 hours before the alert went out and 167 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
- 1299 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
271 WGUS54 KBRO 012245 FFWBRO TXC247-020000- /O.NEW.KBRO.FF.W.0003.111001T2245Z-111002T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 545 PM CDT SAT OCT 1 2011 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL JIM HOGG COUNTY IN DEEP SOUTH TEXAS... * UNTIL 700 PM CDT * AT 541 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED TORRENTIAL RAIN OF 2 TO 3 INCHES PER HOUR FROM SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER SOUTH CENTRAL JIM HOGG COUNTY. THESE HEAVY RAIN PRODUCING THUNDERSTORMS ARE NEARLY STATIONARY AND MAY ALSO PRODUCE BRIEF WIND GUSTS FROM 20 TO 30 MPH IN ADDITION TO FREQUENT LIGHTNING THROUGH 7 PM. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR MAINLY IN THE TOWNS OF CUEVITAS AND GUERRA IN JIM HOGG COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THESE THUNDERSTORMS WILL CAUSE FLOODING OF SMALL ARROYOS AND STREAMS...AND SOME COUNTRY ROADS. FARMLAND ALONG STREAM BANKS WILL BE INUNDATED. IF CAUGHT IN A LOW LYING AREA...MOVE TO HIGHER GROUND. LOW WATER CROSSINGS ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN! && LAT...LON 2691 9859 2679 9859 2679 9890 2690 9890 $$ SPEECE
1 follow-up statement
504 WGUS74 KBRO 012352 FFSBRO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 652 PM CDT SAT OCT 1 2011 TXC247-020006- /O.EXP.KBRO.FF.W.0003.000000T0000Z-111002T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JIM HOGG TX- 652 PM CDT SAT OCT 1 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTH CENTRAL JIM HOGG COUNTY WILL BE ALLOWED TO EXPIRE AT 700 PM CDT... THE HEAVY RAIN PRODUCING THUNDERSTORMS THAT WERE AFFECTING SOUTH CENTRAL JIM HOGG COUNTY OVER THE PAST HOUR HAVE WEAKENED SIGNIFICANTLY. ACCORDINGLY THE THREAT FOR FLASH FLOODING IS DIMINISHING. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. PRECAUTIONARY/PREPAREDNESS ACTIONS... DON'T BECOME A STATISTIC. TURN AROUND...DON'T DROWN! && LAT...LON 2691 9859 2679 9859 2679 9890 2690 9890 $$ SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 4:31 PM CDT | Areal Flood Advisory | BRO | Starr | 119 min |
| Oct 1, 5:03 PM CDT | Flash Flood Warning | BRO | Starr | 107 min |
Nearby
Flash Flood Warnings in Texas, 2011Every flash flood warning in 2011
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.