Alert archive / Texas / Flash Flood Warnings in 2008
Flash Flood Warning 7, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Jul 23, 2008, 4:19 PM CDT for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 116 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 23, 2008, 4:19 PM CDT (21:19 UTC)
- Expired
- Jul 23, 2008, 6:15 PM CDT
- In force
- 116 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cameron County, TX, Hidalgo County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 59 km from the middle of the area, began a volume at 21:18 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 12:00Z, 9.3 hours before the alert went out and 62 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
- 211 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 648 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KBRO 232120
FFWBRO
TXC061-215-489-232315-
/O.NEW.KBRO.FF.W.0007.080723T2119Z-080723T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
420 PM CDT WED JUL 23 2008
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS.
WESTERN WILLACY COUNTY IN DEEP SOUTH TEXAS.
NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS.
LOCATIONS AFFECTED INCLUDE...
HARLINGEN VALLEY AIRPORT.
HARLINGEN.
LASARA.
RAYMONDVILLE.
* UNTIL 615 PM CDT
* AT 412 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM RAINFALL OF THREE INCHES PER HOUR FROM A LARGE
SQUALL OF SHOWERS AND THUNDERSTORMS FROM LASARA TO HARLINGEN VALLEY
AIRPORT...MOVING WEST AT 14 MPH.
* SQUALLS WITH TORRENTIAL RAIN WILL BE NEAR...
SANTA ROSA...COMBES.
PALM VALLEY...HARGILL.
EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING AREAS AND
INTERSECTIONS. POOR DRAINAGE AREAS ARE MOST AT RISK. DO NOT DRIVE
THROUGH FLOODED ROADS
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.
DONT BECOME A STATISTIC. TURN AROUND...DONT DROWN
&&
LAT...LON 2656 9778 2632 9765 2615 9754 2614 9769
2625 9786 2645 9804
$$
61The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 7:51 PM CDT | Marine Weather Statement | BRO | 3 hr | |
| Jul 22, 10:03 PM CDT | Tornado Warning | BRO | Cameron | 18 min |
| Jul 22, 11:14 PM CDT | Tornado Warning | BRO | Cameron | 16 min |
| Jul 22, 11:30 PM CDT | Tornado Warning | BRO | Cameron | 15 min |
| Jul 23, 6:45 AM CDT | Tornado Warning | BRO | Cameron, Hidalgo, Willacy | 30 min |
| Jul 23, 7:10 AM CDT | Tornado Warning | BRO | Cameron, Hidalgo, Willacy | 17 min |
| Jul 23, 7:43 AM CDT | Areal Flood Warning | BRO | Kenedy, Willacy | 3 hr |
| Jul 23, 8:21 AM CDT | Areal Flood Warning | BRO | Cameron | 3 hr |
| Jul 23, 11:30 AM CDT | Areal Flood Advisory | BRO | Cameron, Willacy | 2 hr |
| Jul 23, 12:47 PM CDT | Flash Flood Warning | BRO | Cameron | 3 hr |
| Jul 23, 2:02 PM CDT | Flash Flood Warning | BRO | Cameron, Willacy | 3 hr |
| Jul 23, 3:46 PM CDT | Areal Flood Advisory | BRO | Brooks, Cameron, Hidalgo, Kenedy, Starr, Willacy | 3 hr |
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.