1 heavy rain, 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 Jacksonville, FL wrote its last area forecast discussion before the first event at Aug 23, 1:00 PM EST, 1 hour earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 200 PM EDT SAT AUG 23 2003 CURRENTLY...INFILTRATION OF DRY AIR SEEMS TO HAVE STALLED JUST SOUTH OF THE FL/GA LINE. THUNDERSTORMS CURRENTLY LIMITED TO NEAR COASTAL COUNTIES...BUT EXPECTED TO EXPAND INLAND AND THEN EASTWARD AS DAY PROGRESSES INTO EVENING. HEAVY RAIN POCKETS ARE EXPECTED IN SOUTHERNMOST COUNTIES BY SUNSET. ISOLATED SEVERE DOWNBURST/HAIL ARE POSSIBLE FROM ANY CELLS THAT DO DEVELOP IN GA CWA BOTH TODAY AND TOMORROW. FORECAST...DEFORMATION ZONE STILL SLIPPING SOUTH AT UPPER LEVELS AS COL DROPS INTO CENTRAL GOMEX. THIS WILL DECREASE RAIN BELOW CLIMATOLOGY FOR EARLY TO MID WEEK. EASTERLY SURFACE FLOW DEVELOPS BY TUESDAY SO A FEW AM MARINE SHOWERS ARE LIKELY IN EAST COAST COUNTIES...AND AXIS OF PM THUNDERSTORMS WILL SHIFT WEST TOWARD THE I-75 CORRIDOR. MARINE...NO CONCERNS. FCSTID = 13 AMG 72 92 71 90 / 10 20 10 30 SSI 75 87 77 86 / 10 20 10 20 JAX 72 90 72 89 / 20 30 10 30 SGJ 73 86 76 85 / 20 40 20 30 GNV 71 91 71 90 / 20 40 20 30 OCF 71 90 71 91 / 20 40 20 30 .JAX... FL...NONE. GA...NONE. WELSH/CARROLL
FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-232315- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 100 PM EDT SAT AUG 23 2003 HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSONVILLE FL 100 PM EDT SAT AUG 23 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT... ...STRONG THUNDERSTORMS WITH LOCALIZED FLOODING POSSIBLE... NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA TODAY. THE BEST COVERAGE OF STORMS WILL BE ACROSS INLAND NORTH FLORIDA...BETWEEN INTERSTATES 75 AND 95. THIS EVENING...STORMS WILL BEGIN TO MOVE NORTHEAST TOWARD THE EAST COAST. CONVECTION WILL LINGER INTO THE EVENING HOURS...AND SCATTERED SHOWERS ARE EXPECTED OVERNIGHT...MAINLY WEST OF THE INTERSTATE 75 CORRIDOR. SOME OF THE STRONGER STORMS THIS AFTERNOON WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAINFALL AMOUNTS IN EXCESS OF 2 INCHES. THIS HEAVY RAINFALL COULD CAUSE LOCALIZED FLOODING OF SOME LOW LYING AREAS BY AGGRAVATING ALREADY SATURATED GROUND. IN ADDITION...THE STRONGEST STORMS WILL BE CAPABLE OF FREQUENT CLOUD TO GROUND LIGHTNING...SMALL HAIL...AND POSSIBLE WIND GUSTS TO NEAR 40 MPH. SOUTH OF A LINE FROM ST AUGUSTINE TO GAINESVILLE WIDESPREAD RAIN ACCUMULATIONS ARE EXPECTED TO AVERAGE NEAR A THIRD OF AN INCH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH SATURDAY... AS COOLER AND DRYER AIR MOVES IN FROM THE NORTH ON SUNDAY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED TO DECREASE IN COVERAGE. DECREASED RAINFALL IS EXPECTED EARLY TO MID NEXT WEEK AS HIGH PRESSURE BUILDS OVER THE MID-ATLANTIC REGION. PLEASE REFER TO LATEST TROPICAL WEATHER STATEMENTS AND ADVISORIES FROM THE NATIONAL HURRICANE CENTER FOR TROPICAL INFORMATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY. HOWEVER...SPOTTERS ARE REQUESTED TO RELAY FLOODING REPORTS TO THE NATIONAL WEATHER SERVICE. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN JACKSONVILLE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/JAX. WELSH
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Heavy rainfall caused extensive street flooding along U.S. Highway 17/Park Ave in Orange park and south to near the Eagle Harbor Subdivision. Most significant flooding at Park Ave and Kingsley Ave.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2003Every state in 2003This day in weather historyWarnings in Florida, August 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: 5370379.