1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Brownsville, TX wrote its last area forecast discussion before the first event at Sep 21, 8:45 AM CST, 3 hours 30 minutes earlier.
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 945 AM CDT SUN SEP 21 2003 BROWNSVILLE DOPPLER RADAR INDICATED MODERATE TO HEAVY SHOWERS AND THUNDERSTORMS OVER CAMERON AND EASTERN HIDALGO COUNTIES OF DEEP SOUTH TEXAS MOVING NORTH AT 15 MPH. ALSO SOME SHOWERS AND THUNDERSTORMS DEVELOPED OVER SOUTHERN ZAPATA COUNTY ALONG A FRONTAL BOUNDARY NEARLY STATIONARY AT THIS TIME. ALL MODELS IN AGREEMENT IN DEVELOPING A LOW ALONG THE COAST NEAR DEEP SOUTH TEXAS AND EVENTUALLY MOVE IT SOUTH BY MONDAY AFTERNOON DECREASING THE CHANCES FOR SHOWERS OR THUNDERSTORMS AT THAT TIME. A WEAK FRONTAL BOUNDARY WILL MOVE THROUGH BY MONDAY AFTERNOON CAUSING SLIGHTLY DRIER AND MORE STABLE WEATHER CONDITIONS. WILL UP POPS SLIGHTLY TONIGHT AND ALSO EXTEND THE WATCH THROUGH MONDAY MORNING FOR THE ENTIRE CWA. OTHER THEN THAT PREVIOUS FORECAST PACKAGE LOOKS GOOD. NO OTHER UPDATES NEEDED AT THIS TIME. .MARINE...BOY020 REPORTED A SOUTH WIND AT 12 TO 16 KNOTS WITH 4 FOOT SEAS. LIGHT TO MODERATE SOUTH WINDS WILL CONTINUE THROUGH TONIGHT AND THEN SHIFT NORTHEAST BY MONDAY MORNING. NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TODAY. .AVIATION...MVFR TO IFR VSBY CONDS OVER BRO AND MFE WILL CONTINUE TODAY AS AN AREA OF SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE OVER CAMERON COUNTY. MFE SHOULD HAVE PREVAILING VFR CONDS WITH TEMP IFR IN ANY SHOWERS OR THUNDERSTORMS. PREVAILING VFR CONDS FOR THE ENTIRE CWA FOR TONIGHT WITH TEMPO IFR. .PRELIMINARY POINT TEMPS/POPS... BROWNSVILLE TE 080/073 086/074 088 80/60/40/10/00 HARLINGEN TE 080/071 087/072 088 80/60/40/10/00 MCALLEN TE 084/072 088/073 089 70/60/40/10/00 RIO GRANDE CITY TE 085/071 088/072 089 70/60/40/10/00 SOUTH PADRE ISLAND TE 080/075 082/076 084 80/60/40/10/00 .BRO...FFA FOR ALL OF DEEP SOUTH TEXAS UNTIL 500 AM MONDAY MORNING. SYNOPTIC...65 MARINE/AVIATION...62 MESO...VEGA THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT: HTTP://WWW.SRH.NOAA.GOV/BRO
TXZ248>257-220900- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 510 AM CDT SUN SEP 21 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF DEEP SOUTH TEXAS THROUGH 130 PM TODAY. SHOWERS AND THUNDERSTORMS WILL REDEVELOP ACROSS PORTIONS OF DEEP SOUTH TEXAS...DUE TO THE INTERACTION OF A MOIST AND UNSTABLE AIR MASS AND A SURFACE LOW PRESSURE AREA WHICH IS EXPECTED TO FORM ALONG THE TEXAS COASTLINE. THE GREATEST WEATHER HAZARD FOR DEEP SOUTH TEXAS TODAY WILL BE LOCALLY HEAVY RAINFALL AND FLOODING OF LOW LYING AREAS AND ROADWAYS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THE RAIN CHANCES WILL DIMINISH THROUGHOUT THE UPCOMING WEEK AS THE COASTAL SURFACE LOW MOVES NORTHEAST AND A COLD FRONT MOVES BACK TO THE SOUTH ACROSS THE FORECAST AREA. PARTLY CLOUDY SKIES AND REDUCED RAIN CHANCES ARE IN STORE FOR MONDAY THROUGH SATURDAY AS DRIER... COOLER AND MORE STABLE AIR BUILDS INTO PLACE IN THE WAKE OF THE COLD FRONT. .SPOTTER INFORMATION STATEMENT. SPOTTER ACTIVATION MAY BE NECESSARY TODAY DUE TO THE CONTINUED FLOODING THREAT. SPEECE
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
The general public reported street and yard flooding. Rising water levels were also reported in the Los Morenos creek.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2003Every state in 2003This day in weather historyWarnings in Texas, September 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5327835.