Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 33, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Sep 21, 2003, 9:15 AM CDT for Cameron County, Kenedy County, Willacy County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 21, 2003, 9:15 AM CDT (14:15 UTC)
- Expired
- Sep 21, 2003, 11:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
Counties Cameron County, TX, Kenedy County, TX, Willacy County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 2.3 hours before the alert went out and 56 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
- 1577 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 122 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 211417
FFWBRO
TXC061-261-489-211630-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
915 AM CDT SUN SEP 21 2003
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CAMERON COUNTY IN DEEP SOUTH TEXAS
WILLACY COUNTY IN DEEP SOUTH TEXAS
SOUTHERN KENEDY COUNTY IN DEEP SOUTH TEXAS
* UNTIL 1130 AM CDT
* AT 915 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF VERY HEAVY RAINFALL MOVING INTO AND THROUGH THE WARNED
AREA FROM THE SOUTH. DOPPLER RADAR ESTIMATED RAINFALL RATES OF UP
TO ONE AND ONE HALF INCHES PER HOUR WERE OCCURRING WITHIN THE RAIN
AREA.
* HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM
THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME
LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...RAYMONDVILLE...
SAN BENITO...LA FERIA...HARLINGEN...BROWNSVILLE...LYFORD...
SEBASTIAN...SANTA ROSA...RIO HONDO...RANCHO VIEJO...LOS FRESNOS AND
COMBES.
ADDITIONAL RAINFALL AMOUNTS OF TWO TO THREE INCHES ARE POSSIBLE IN
THE WARNED AREA.
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.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 2682 9752 2645 9742 2620 9732 2611 9732
2599 9724 2597 9735 2587 9743 2604 9767
2608 9787 2645 9786 2648 9800 2663 9794
2662 9798 2683 9798
$$The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 7:40 AM CDT | Flash Flood Warning | BRO | Cameron | 110 min |
| Sep 21, 1:30 PM CDT | Flash Flood Warning | BRO | Starr | 3 hr |
| Sep 21, 2:42 PM CDT | Flash Flood Warning | BRO | Hidalgo | 108 min |
| Sep 21, 4:30 PM CDT | Flash Flood Warning | BRO | Kenedy, Willacy | 90 min |
Nearby
Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003
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.