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 Aug 11, 8:55 AM EST, 5 hours 3 minutes earlier.
SOUTH FLORIDA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI 955 AM EDT MON AUG 11 2003 MORNING MIAMI SOUNDING SOMEWHAT MORE UNSTABLE TODAY THAN YESTERDAY AS H5 TEMPERATURE HAS DROPPED TO -9C AND VERTICAL TOTALS ARE JUST OVER 27C. PRECIPITABLE WATER HAS DROPPED JUST A BIT BUT ASSUME THAT IS TEMPORARY. WILL HIGHLIGHT HAZARDOUS WEATHER OUTLOOK TO INCLUDE A BETTER CHANCE OF STRONG WIND GUSTS AND POSSIBLY HAIL WITH COLDER TEMPS AND MORE DRY AIR ALOFT. AS FAR AS TIMING OF THE CONVECTION...NWS/UM NESTED MESOETA SHOWS VIGOROUS THUNDERSTORMS DEVELOPING EAST COAST AREA AROUND 3 PM EDT AND INCREASING THROUGH AROUND 7-8 PM EDT...SOMEWHAT LATER THAN YESTERDAY. WILL ENHANCE ZONE FORECAST WORDING SOME TO SHOW THIS. THE GULF COAST OF SOUTH FLORIDA FROM COLLIER SOUTH IS NOT DEPICTED AS ACTIVE AS THE ATLANTIC COAST THIS AFTERNOON...BUT STILL SOME THUNDERSTORMS AROUND ESPECIALLY INLAND. 50 .MIA...NONE.
FLZ063-066>075-112200- HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MIAMI FL 905 AM EDT MON AUG 11 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY ...NUMEROUS THUNDERSTORMS INTERIOR THIS AFTERNOON... ...SCATTERED THUNDERSTORMS COASTAL AREAS... THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS MOST OF SOUTH FLORIDA ONCE AGAIN TODAY. THE MOST FAVORED AREAS FOR THUNDERSTORM DEVELOPMENT WILL BE NEAR COASTAL AREAS EARLY IN THE AFTERNOON ONCE THE SEABREEZE CIRCULATION BECOMES WELL ESTABLISHED. THE STORMS WILL LIKELY MOVE TOWARD THE INTERIOR REGIONS AS THE SEABREEZES MOVE INLAND. HOWEVER...DUE TO A SLIGHT SOUTHWEST STEERING FLOW...STORMS WILL LIKELY CLUSTER OVER THE EASTERN HALF OF THE SOUTH FLORIDA PENINSULA BY THE END OF THE DAY. SOMEWHAT COLDER AIR ALOFT HAS MOVED ACROSS SOUTH FLORIDA IN THE LAST 24 HOURS...ENHANCING THE INSTABILITY OF THE ATMOSPHERE. THE GREATEST THREAT FROM THUNDERSTORMS ACROSS SOUTH FLORIDA TODAY WILL BE FREQUENT CLOUD-TO-GROUND LIGHTNING STRIKES...STRONG WIND GUSTS AS HIGH AS 50 MPH...AND POSSIBLY EVEN HAIL WITH THE STRONGEST THUNDERSTORMS. 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...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON SHOULD THUNDERSTORMS BECOME STRONG.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
0236 PM EDT MON AUG 11 2003
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0200 PM CAROL CITY FL WIND DAMAGE
08/11/03 MIAMI-DADE TREES REPORTED DOWN AROUND
NW 52ND AVENUE IN CAROL
CITY. REPORTED BY WSVN
TELEVISION.
0200 PM MIAMI LAKES FL 0.88 IN HAIL
08/11/03 MIAMI-DADE NICKEL SIZE HAIL IN MIAMI
LAKES REPORTED BY OFF DUTY
NWS EMPLOYEE.
0150 PM MIAMI LAKES FL WIND DAMAGE
08/11/03 MIAMI-DADE TREES REPORTED DOWN AROUND
NW 52ND AVENUE AND 181ST
STREET IN MIAMI LAKES.
RLPPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
0236 PM EDT MON AUG 11 2003
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0200 PM CAROL CITY FL WIND DAMAGE
08/11/03 MIAMI-DADE TREES REPORTED DOWN AROUND
NW 52ND AVENUE IN CAROL
CITY. REPORTED BY WSVN
TELEVISION.
0200 PM MIAMI LAKES FL 0.88 IN HAIL
08/11/03 MIAMI-DADE NICKEL SIZE HAIL IN MIAMI
LAKES REPORTED BY OFF DUTY
NWS EMPLOYEE.
0150 PM MIAMI LAKES FL WIND DAMAGE
08/11/03 MIAMI-DADE TREES REPORTED DOWN AROUND
NW 52ND AVENUE AND 181ST
STREET IN MIAMI LAKES.
RLPThe Miami radar (KAMX), 115 km away, was scanning. The volume nearest the first event began at 18:59 UTC.
1 funnel cloud. Local standard time, as filed.
A funnel cloud was sighted over Lake Okeechobee.
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: 5335019.