1 funnel cloud, 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 Miami, FL wrote its last area forecast discussion before the first event at Sep 12, 12:25 PM EST, 6 hours 17 minutes earlier.
SOUTH FLORIDA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 125 PM EDT FRI SEP 12 2003 .DISCUSSION...WEAK SURFACE TROUGH THAT EXTENDS FROM WHAT IS LEFT OF HENRI IS OVER THE EXTREME SOUTHERN PART OF SOUTH FLORIDA. THROUGH TONIGHT...THIS TROUGH WILL MOVE NORTH AS THE REMNANTS OF HENRI MOVE INLAND OVER N.C. THIS WILL INCREASE THE MOISTURE AND THE EASTERLIES SATURDAY AND THE DEPTH OF THE EASTERLIES EVEN FURTHER ON SUNDAY. MOVEMENT OF ACTIVITY WILL BE VERY SLOW ON SATURDAY WITH SEABREEZE AND OUTFLOW DEVELOPMENT. ON SUNDAY...MOVEMENT OF ACTIVITY WILL HAVE A BIT MORE PUSH TO THE WEST. WILL FORECAST 40 PERCENT EAST COAST TO 50 PERCENT INTERIOR AND WEST THROUGH THE WEEKEND AND EVEN MONDAY. ALTHOUGH THE FUTURE TRACK OF ISABEL IS UNCERTAIN...WILL GO WITH THE MRF IN BRINGING SOMEWHAT DRYER AIR OVER THE WEST AND SUBSIDENT SIDE OF ISABEL FOR TUESDAY THROUGH FRIDAY. WITH THIS IN MIND...WILL LOWER POPS A NOTCH FOR THIS EXTENDED PERIOD. PREVIOUS FORECAST PACKAGE HAS WINDS BACKING TO NORTHEAST BY SUNDAY IN RESPONSE TO ISABELS APPROACH...STILL WELL EAST OF THE FLORIDA PENINSULA AND WILL STAY WITH THIS THINKING. EFFECTS OVER SOUTH FLORIDA WILL GREATLY VARY...OF COURSE...GIVEN FINAL TRACK OF ISABEL. WEDNESDAY THROUGH FRIDAY APPEAR TO BE DAYS OF GREATEST POTENTIAL INFLUENCE AT LEAST WIND-WISE WITH THIS FORECAST PACKAGE. CANNOT IGNORE THE FACT THAT EVEN THE FURTHEST EAST TRACK COULD PRODUCE BREEZY CONDITIONS EAST ZONES. .MARINE...WINDS WILL BE EAST TO SOUTHEAST AT 10 KNOTS OR LESS THROUGH SAT NIGHT AND BECOMING NORTHEAST SUNDAY. SEE NO EVIDENCE OF SWELLS ON THE WEB CAMS OVER PALM BEACH TODAY. THEREFORE NO MENTION OF SWELLS WILL BE MADE ON THIS PACKAGE. NO OTHER CONCERNS FOR MARINE FORECASTS UNTIL LATER MONDAY. AS WINDS BACK TO NORTHEAST AND INCREASE...GULF STREAM SEAS WILL BEGIN TO RISE ABOVE ADVISORY CRITERIA. .FIRE WEATHER...NO PROBLEMS. .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 75 88 77 88 / 20 40 20 40 FORT LAUDERDALE 76 88 78 87 / 20 40 20 40 MIAMI 76 89 77 89 / 20 40 20 40 NAPLES 74 90 74 91 / 20 50 30 50 .MIA WATCHES/WARNINGS/ADVISORIES... NONE. 18
FLZ063-066>075-122215- HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MIAMI FL 840 AM EDT FRI SEP 12 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY ...HIGH WATERSPOUT POTENTIAL THIS MORNING ESPECIALLY GULF WATERS... CONDITIONS WILL BE FAVORABLE FOR THE FORMATION OF WATERSPOUTS ESPECIALLY THIS MORNING ACROSS THE SOUTH FLORIDA COASTAL WATERS. MARINERS AND BEACH GOERS SHOULD BE ON THE LOOKOUT ESPECIALLY ALONG THE GULF COASTAL WATERS FOR WATERSPOUT FORMATION. MARINERS WHO ARE THREATENED BY A WATERSPOUT SHOULD DETERMINE THE WATERSPOUT MOVEMENT AND MOVE AWAY FROM THE WATERSPOUT AT A 90 DEGREE ANGLE. WATERSPOUTS OCCASIONALLY DO MOVE ONSHORE AND CAUSE DAMAGE TO BEACHSIDE STRUCTURES AND VEGETATION...BUT DISSIPATE QUICKLY AFTER CONTACT WITH LAND. SCATTERED THUNDERSTORMS ARE EXPECTED TO OCCUR OVER THE AREA MAINLY DURING THE AFTERNOON. MOST OF THIS ACTIVITY SHOULD DEVELOP OVER BROWARD...MIAMI-DADE...MONROE AND COLLIER COUNTIES. THE MAIN THREATS WILL BE LIGHTNING AND WIND GUSTS TO 35 MPH. ADDITIONAL INFORMATION AND DETAILED GRAPHICS CAN BE FOUND ON THE NATIONAL WEATHER SERVICE WEB SITE AT MIAMIWEATHER.INFO. FOR INFORMATION IN SPANISH, VISIT OUR WEB SITE AT ELTIEMPOENMIAMI.INFO. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. DURING THE PERIOD FROM TUESDAY TO THURSDAY THE CHANCE OF RIP CURRENTS WILL INCREASE ALONG THE ATLANTIC BEACHES AND SOME HEAVY SURF WILL BE POSSIBLE MAINLY ALONG THE PALM BEACH COUNTY COAST IN ASSOCIATION WITH HURRICANE ISABEL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Miami radar (KAMX), 9 km away, was scanning. The volume nearest the first event began at 23:43 UTC.
1 funnel cloud. Local standard time, as filed.
Emergency Manager reported a funnel cloud over southern Biscayne Bay.
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, 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: 5374617.