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 Oct 7, 1:40 PM CST, 1 hour 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 240 PM CDT TUE OCT 7 2003 .DISCUSSION...A SEA BREEZE CONVERGENCE BOUNDARY IS ACTIVE ONCE AGAIN OVER THE EASTERN TIER OF THE COUNTY WARNING AREA...PRODUCING HEAVY SHOWERS WITHIN 100 MILES OF THE COAST. THE SEA BREEZE SHOWER BAND HAS BEGUN TO SLIDE WEST AND THIS MOVEMENT SHOULD PRECLUDE SERIOUS FLOODING...ALTHOUGH ONE HOUR RAINFALL RATES WITHIN THE SHOWERS ARE REACHING A RESPECTABLE TWO INCHES AN HOUR. THE MODELS HAVE SLOWED THE ANTICIPATED PROGRESSION OF OLAF THROUGH MEXICO. A MUCH MORE REALISTIC SCENARIO IS PRESENTED NOW...EVEN FROM THE CONVECTIVE FEEDBACK PRONE AVN. JET DYNAMICS IN THE 12Z MODEL RUNS APPEAR LESS FAVORABLE NOW AS WELL...WITH A WEAKER JET THAT IS PLACED FURTHER NORTHEAST. THUS WILL AVOID STRONG THUNDERSTORM NOMENCLATURE TOMORROW. CURRENT POPS LOOK REASONABLE...WITH SHOWERS AND THUNDERSTORMS LIKELY FOR THE NEXT TWO DAYS. FLOODING WILL BECOME A SIGNIFICANTLY GREATER RISK BY FRIDAY AS SEA BREEZE BOUNDARIES RE-ESTABLISH THEMSELVES WITHIN THE CURRENT LIGHT WIND REGIME EACH DAY. THE GFS CONTINUES TO INDICATE COLD FRONT ARRIVAL AT THE SURFACE ON SUNDAY...DRYING THINGS OUT FOR NEXT WEEK. TIMING WILL LIKELY CHANGE AGAIN BEFORE THEN. && .MARINE...AT 1 PM BUOY 020 REPORTED SOUTHEAST WINDS AT 14 KNOTS WITH GUSTS TO 16 KNOTS AND SEAS AT 3 FEET 6 SECONDS. A HIGH PRESSURE RIDGE EXTENDING INTO SOUTHEASTERN TEXAS COUPLED WITH A LOW PRESSURE AREA OVER THE SOUTHWESTERN GULF OF MEXICO ARE GENERATING LIGHT TO MODERATE SOUTHEASTERLY WINDS ACROSS THE MARINE AREAS. AN AMPLE SUPPLY OF LOW LEVEL MOISTURE HAS RESULTED IN SCATTERED SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS OVER THE COASTAL WATERS. LIGHT TO MODERATE EASTERLY WINDS AND SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED WEDNESDAY THROUGH THURSDAY. WINDS ARE EXPECTED TO TURN NORTHEAST FRIDAY THROUGH SATURDAY AS A MID LEVEL SHORT WAVE TROUGH MOVES FROM THE SOUTHERN PLAINS TOWARD THE NORTHERN GULF OF MEXICO. A COLD FRONT IS EXPECTED TO MOVE OVER THE AREA EARLY NEXT WEEK WHICH SHOULD RESULT IN DRIER CONDITIONS ACROSS THE MARINE AREAS. && .AVIATION...VFR CONDITIONS ARE BEING REPORTED AT THE REGIONAL AIRPORTS ACROSS DEEP SOUTH TEXAS THIS AFTERNOON. ISOLATED TO SCATTERED SHOWERS WITH A FEW EMBEDDED THUNDERSTORMS ARE OCCURRING OVER PORTIONS OF THE CWA. EXPECT VFR CONDITIONS WITH TEMPORARY MVFR OR IFR CONDITIONS DUE TO REDUCED VISIBILITIES AND CEILINGS DURING ANY SHOWERS OR THUNDERSTORMS THAT MAY OCCUR OVER THE AIRPORTS THIS AFTERNOON. OVERNIGHT PATCHY FOG MAY DEVELOP OVER PORTIONS OF DEEP SOUTH TEXAS RESULTING IN MVFR OR IFR CONDITIONS DUE TO REDUCED VISIBILITIES AND CEILINGS. ANY FOG THAT DEVELOPS IS EXPECTED TO DISSIPATE BY MID MORNING WEDNESDAY. && .PRELIMINARY POINT TEMPS/POPS... BROWNSVILLE EE 073/085 073/085 073/86 20/60/20/60/10 HARLINGEN EE 073/085 074/085 074/87 20/60/20/60/10 MCALLEN EE 072/085 072/086 073/87 20/60/20/60/10 RIO GRANDE CITY EE 071/088 071/089 072/90 20/60/20/60/10 SOUTH PADRE ISLAND EE 077/084 078/084 078/85 20/60/20/60/10 && .BRO WATCHES/WARNINGS/ADVISORIES...NONE. && SYNOPTIC-GRIDS...69 MARINE-AVIATION...63 MESO...VEGA THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT: HTTP://WWW.SRH.NOAA.GOV/BRO
TXZ248>257-081100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 130 PM CDT TUE OCT 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE..TODAY AND TONIGHT. SCATTERED THUNDERSTORMS WILL GENERATE BRIEF DOWNPOURS WHICH MAY LEAD TO LOCALIZED FLOODING. PATCHY FOG OVERNIGHT MAY REDUCE VISIBILITY TO LESS THAN ONE MILE IN ISOLATED AREAS...BUT THE FOG IS EXPECTED TO DISSIPATE BY MID MORNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. INCREASING MOISTURE FOR WEDNESDAY AND THURSDAY WILL LEAD TO NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS DEEP SOUTH TEXAS WITH INCREASED CHANCES OF MORE LOCALIZED FLOODING FROM HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT. SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. 63
The Brownsville radar (KBRO), 27 km away, was scanning. The volume nearest the first event began at 21:07 UTC.
1 flash flood. Local standard time, as filed.
Heavy rains produced flash flooding of roadways and businesses in Harlingen. Several cars stalled in high water near the expressway and the heavy rain caused a roof failure to a local business.
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, October 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: 5379805.