Alert archive / Texas / Flash Flood Warnings in 2008
Flash Flood Warning 13, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Aug 18, 2008, 8:30 PM CDT for Hidalgo County, Texas. It was in force for 94 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
- Aug 18, 2008, 8:30 PM CDT (01:30 UTC)
- Expired
- Aug 18, 2008, 10:04 PM CDT
- In force
- 94 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 87 km from the middle of the area, began a volume at 01:32 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, 1.5 hours before the alert went out and 90 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
- 2872 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KBRO 190130
FFWBRO
TXC215-190330-
/O.NEW.KBRO.FF.W.0013.080819T0130Z-080819T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
830 PM CDT MON AUG 18 2008
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN HIDALGO COUNTY IN DEEP SOUTH TEXAS.
LOCATIONS AFFECTED INCLUDE...
SAN JUAN.
PHARR.
MISSION.
MCALLEN.
HIDALGO.
ALAMO.
* UNTIL 1030 PM CDT
* AT 826 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF THUNDERSTORMS PRODUCING RAINFALL FROM 2 TO 3 INCHES AN
HOUR OVER THE SOUTH CENTRAL HIDALGO COUNTY CITIES AND TOWNS OF
MCALLEN...HIDALGO...MADERO...PALMVIEW AND MISSION. THESE
THUNDERSTORMS ARE MOVING EAST AT 5 TO 10 MPH.
EXCESSIVE RUNOFF FROM THESE THUNDERSTORMS WILL CAUSE FLOODING OF LOW
LYING AREAS AND INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK.
DO NOT DRIVE THROUGH FLOODED ROADS
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.
DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN
&&
LAT...LON 2607 9823 2607 9826 2609 9827 2611 9833
2615 9835 2616 9837 2615 9839 2620 9845
2627 9842 2623 9804 2606 9811 2606 9814
2605 9814 2605 9820
$$
SPEECE2 follow-up statements
000
WGUS74 KBRO 190237
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
937 PM CDT MON AUG 18 2008
TXC215-190330-
/O.CON.KBRO.FF.W.0013.000000T0000Z-080819T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HIDALGO-
937 PM CDT MON AUG 18 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN HIDALGO
COUNTY UNTIL 1030 PM CDT...
LOCATIONS AFFECTED INCLUDE...
SAN JUAN.
PHARR.
MISSION.
MCALLEN.
HIDALGO.
ALAMO.
AT 935 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF HEAVY RAIN PRODUCING THUNDERSTORMS OVER THE SOUTHERN
HIDALGO COUNTY CITIES AND TOWNS OF MADERO...HIDALGO...MCALLEN AND
PHARR. THESE THUNDERSTORMS ARE MOVING EAST AT 5 TO 10 MPH AND WILL
PRODUCE RAINFALL RATES OF TWO TO THREE INCHES PER HOUR IN SOME AREAS
WITHIN THE WARNING AREA THROUGH 1030 PM.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT CROSS FLOODED
ROADWAYS OR STREAMS. IF NEARING A FLOOD AREA...TURN AROUND AND DRIVE
TO HIGHER TERRAIN.
DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN
&&
LAT...LON 2607 9823 2607 9826 2609 9827 2611 9833
2615 9835 2616 9837 2615 9839 2620 9845
2627 9842 2623 9804 2606 9811 2606 9814
2605 9814 2605 9820
$$
SPEECE000
WGUS74 KBRO 190304
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1004 PM CDT MON AUG 18 2008
TXC215-190310-
/O.CAN.KBRO.FF.W.0013.000000T0000Z-080819T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HIDALGO-
1004 PM CDT MON AUG 18 2008
...THE FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN HIDALGO
COUNTY...
AT 1003 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE AREA OF HEAVY RAIN PRODUCING THUNDERSTORMS THAT AFFECTED
SOUTHERN HIDALGO COUNTY EARLIER THIS EVENING HAS MOVED EAST OUT OF
THE WARNING AREA AND HAS WEAKENED. ALTHOUGH THE FLASH FLOOD WARNING
IS NO LONGER IN EFFECT...THERE MAY BE POCKETS OF HIGH STANDING WATER
ESPECIALLY IN POOR DRAINAGE AREAS. IF ENCOUNTERING WATERS OF UNKNOWN
DEPTH...DO NOT ATTEMPT TO CROSS THEM BY FOOT OR BY AUTOMOBILE.
DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN
&&
LAT...LON 2607 9823 2607 9826 2609 9827 2611 9833
2615 9835 2616 9837 2615 9839 2620 9845
2627 9842 2623 9804 2606 9811 2606 9814
2605 9814 2605 9820
$$
SPEECEThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 5:04 PM CDT | Areal Flood Advisory | BRO | Zapata | 86 min |
| Aug 19, 5:57 PM CDT | Areal Flood Advisory | BRO | Starr | 93 min |
Nearby
Flash Flood Warnings in Texas, 2008Every flash flood warning in 2008
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.