Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 2, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Mar 12, 2007, 1:41 PM CDT for Cameron County, Texas. It was in force for 2 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 12, 2007, 1:41 PM CDT (18:41 UTC)
- Expired
- Mar 12, 2007, 3:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 27 km from the middle of the area, began a volume at 18:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 12, 1:45 PM CDT | FLASH FLOOD | E Brownsville, TX | 40 TO 50 CARS STALLED ALONG BOCA CHICA BLVD. WATER OVER WHEEL WELLS IN SOME PLACES. |
| Mar 12, 2:17 PM CDT | FLASH FLOOD | 2 W Los Fresnos, TX | NWS EMPLOYEE REPORTS 6.94 INCHES OF RAINFALL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 6.7 hours before the alert went out and 29 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
- 2074 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KBRO 121845
FFWBRO
TXC061-122045-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
141 PM CDT MON MAR 12 2007
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
CENTRAL CAMERON COUNTY IN DEEP SOUTH TEXAS...
THIS INCLUDES THE CITY OF BROWNSVILLE...
* UNTIL 345 PM CDT
* AT 133 PM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING
FROM THUNDERSTORMS OVER BROWNSVILLE AND EASTERN CAMERON COUNTY.
RAINFALL RATES OF 2 TO 4 INCHES PER HOUR HAVE BEEN REPORTED BY
TRAINED WEATHER OBSERVERS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BROWSNVILLE...LOS FRESNOS...HARLINGEN...ARROYO COLORADO...PORT
ISABEL AND BAYVIEW.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
LAT...LON 2597 9756 2588 9743 2606 9723 2636 9738
2629 9757
$$
53The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 10:41 AM CDT | Special Marine Warning | BRO | 34 min | |
| Mar 12, 11:03 AM CDT | Special Marine Warning | BRO | 27 min | |
| Mar 12, 11:48 AM CDT | Special Marine Warning | BRO | 27 min | |
| Mar 12, 12:21 PM CDT | Flash Flood Warning | BRO | Cameron | 114 min |
| Mar 12, 1:50 PM CDT | Flash Flood Warning | BRO | Cameron | 115 min |
| Mar 12, 2:11 PM CDT | Special Marine Warning | BRO | 94 min |
Nearby
Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.