4 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 4 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 19, 7:30 AM CST, 1 hour 47 minutes earlier.
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
830 AM CDT FRI SEP 19 2003
SHORT TERM...VERY WET SCENARIO WITH 2.42 PWAT IN PLACE IN 12Z
SOUNDING. BNDRY SLOWLY SINKING SOUTHWARD THROUGH CWA COMBINING WITH
SFC TROF ALONG TAMAULIPAS COAST WILL PROVIDE FOCUS FOR WIDESPREAD
RAIN...WITH LOCALLY HEAVY RAIN POSSIBLE. ANTICIPATE MORE FFWS AS THE
DAY PROGRESSES WITH VERY LOW FFG ALREADY IN PLACE. MESOETA/GFS IN
GOOD AGREEMENT IN KEEPING BOTH SFC SYS IN/NEAR CWA THRU SUN. FFA
WILLLIKELY HAVE TO BE EXTENDED THRU PM SAT. BOTH MODELS GRADUALLY
SHIFT HEAVIEST QPF WESTWARD WITH TIME...THOUGH 88D ANIMATED IMAGERY
SHOWS BAND OF CONVECTION OVER WILLACY COUNTY SHIFTING SOUTHWARD INTO
CAMERON COUNTY...WILL ACCORDINGLY ISSUE FFW.
LONG TERM...FCST STILL LOOKS DAMP THRU MON AS GFS KEEPS CWA JUST TO
N OF QUASISTATIONARY BNDRY. WEAK CONVECTION WILL BE POSSIBLE TUE AND
WED ALONG SEA BREEZE BNDRY WITH RESIDUAL MOISTURE LEFT BEHIND AFTER
FROPA. WOULD NOT BE SURPRISED TO SEE MODELS TREND WETTER DURING THIS
TIME FRAME. THU LOOKS DRY FOR NOW AS BNDRY SHIFTS EVEN FARTHER
S...BUT AGAIN WILL HAVE TO LOOK AT MODEL CONSENSUS/TRENDS.
MARINE...AT 7 AM BOY020 REPORTED EAST WINDS AT 19 KNOTS WITH GUSTS
TO 25 KNOTS AND SEAS AT 5 FEET WITH 6 SEC. BROWNSVILLE RADAR
DETECTED SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS OVER THE
MARINE AREAS OF DEEP SOUTH TEXAS. A COLD FRONT LOCATED IN THE CWA IS
EXPECTED TO MOVE THROUGH THE MARINE AREAS OF DEEP SOUTH TEXAS THIS
EVENING. THE COMBINATION OF THE COLD FRONT AND A SURFACE TROUGH OVER
THE WESTERN GULF WILL CONTINUE TO PRODUCE NUMEROUS SHOWERS AND
THUNDERSTORMS OVER THE MARINE AREAS TODAY. ANOTHER COLD FRONT WILL
MOVE ACROSS THE MARINE AREAS TUESDA. SCATTERED TO NUMEROUS SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO CONTINUE OVER THE MARINE AREAS
THROUGH MONDAY. WINDS HAVE INCREASED IN RESPONSE TO AN INCREASE IN
THE PRESSURE GRADIENT. SMALL CRAFT EXERCISE CAUTION IN THE BAY. A
SMALL CRAFT ADVISORY IS IN EFFECT FOR THE OFFSHORE WATERS.
AVIATION...VFR CONDITIONS WITH PERIODS OF MVFR AND IFR CONDITIONS
ARE OCCURRING OVER DEEP SOUTH TEXAS THIS MORNING. DEEP LAYER
MOISTURE AND SFC BNDRIES WILL COMBINE TO PRODUCE NUMEROUS SHOWERS
AND THUNDERSTORMS OVER DEEP SOUTH TEXAS TODAY. WINDS WILL BE GUSTY
AND VARIABLE IN AND NEAR SHOWERS AND THUNDERSTORMS. REDUCED CEILINGS
AND VISIBILITIES WILL OCCUR DURING HEAVY SHOWERS AND THUNDERSTORMS.
.PRELIMINARY POINT TEMPS/POPS...
BROWNSVILLE TT 086/074 086/072 087 90/80/80/40/60
HARLINGEN TT 085/074 085/071 087 90/80/80/40/60
MCALLEN TT 085/073 085/071 086 90/80/80/50/50
RIO GRANDE CITY TT 085/072 085/069 085 90/80/80/60/50
SOUTH PADRE ISLAND TT 083/076 084/074 086 90/80/80/40/60
.BRO...FFA FOR ALL OF DEEP SOUTH TEXAS UNTIL 5 PM TODAY
SCA TODAY FOR GMZ150-155-170-175.
SYNOPTIC/GRIDS...62
MARINE/AVIATION/MESO...63
THIS PRODUCT IS ALSO AVAILABLE ON OUR INTERNET WEB PAGE AT:
HTTP://WWW.SRH.NOAA.GOV/BROTXZ248>257-201100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 905 AM CDT FRI SEP 19 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT. ...A FLASH FLOOD WATCH IS IN EFFECT UNTIL 5 PM THIS EVENING... SHOWERS AND THUNDERSTORMS ARE LIKELY TODAY ACROSS ALL OF DEEP SOUTH TEXAS...DUE TO THE INTERACTION OF A MOIST AND UNSTABLE AIR MASS OVER THE AREA AND A SURFACE TROUGH OF LOW PRESSURE ANCHORED OVER THE LOWER TEXAS COASTLINE. THIS TROUGH WILL ALSO LEAD TO ROUGH BEACH CONDITIONS WITH A HIGH RISK OF RIP CURRENTS. THE GREATEST WEATHER HAZARD TODAY WILL BE LOCALLY HEAVY RAINFALL AND FLOODING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THE CHANCES OF LOCALLY HEAVY RAINFALL AND FLOODING WILL CONTINUE THROUGH MONDAY FROM SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS. THESE SHOWERS AND THUNDERSTORMS WILL BE ENHANCED BY A COLD FRONT WHICH WILL APPROACH DEEP SOUTH TEXAS ON MONDAY. PARTLY CLOUDY TO MOSTLY CLEAR SKIES WILL PREVAIL FROM TUESDAY THROUGH THURSDAY IN THE WAKE OF THE COLD FRONT. .SPOTTER INFORMATION STATEMENT. SPOTTER ACTIVATION MAY BE NECESSARY TODAY THROUGH MONDAY. SPEECE/JAH
The Brownsville radar (KBRO), 27 km away, was scanning. The volume nearest the first event began at 15:16 UTC.
4 flash flood. Local standard time, as filed.
Heavy rains led to flash flooding of Highway 100 west of Los Fresnos.
The general public reported water entering the school buildings at Hanna High School.
The resacas in the Paseo de la Resaca development overflowed their banks due to heavy rains, threatening several homes.
Flash flooding of Paredes Line road in Brownsville stranded numerous automobiles north of the Paseo de la Resaca development near Cameron Park.
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: 5327743, 5327833, 5327832, 5327834.