1 tornado, as filed by the National Weather Service.
Every event with a place to put it. 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 19, 12:45 PM EST, 1 hour 45 minutes earlier.
SOUTH FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 145 PM EDT THU AUG 19 2004 .DISCUSSION...LATEST SURFACE ANALYSIS SHOWS RIDGE OF HIGH PRESSURE ACROSS NORTH CNTRL FL WITH WEAK TROUGH OF LOW PRESSURE ACROSS THE SE GULF OF MEXICO AND A SUBTLE BUT PRESENT LINE OF WEAK CONVERGENCE STRETCHING FROM THERE THROUGH ALLIGATOR ALLEY AND OUT TO THE NORTHERN BAHAMAS. IT IS ALONG THIS SUBTLE BOUNDARY AND EAST COAST C-BRZ THAT SATELLITE AND RADAR HAS BEEN SHOWG SOME CONVECTION FROM EARLIER TODAY AND INTO THE PRESENT. THROUGH THE REMAINDER OF THE AFTERNOON...ACTIVITY WILL CONTINUE TO DEVELOP ALONG EAST COAST SEA BREEZE AND THE SOUTHERN TIP OF THE PENINSULA WHERE HEATING HAS BEEN TAKING PLACE MOST OF THE DAY. ANY DEVELOPMENT WILL DRIFT NORTHEAST. ACTIVITY WILL GRADUALLY DISSIPATE AS WE MOVE INTO THE EVENING HOURS. 12Z UPR AIR ANALYSIS SHOWS THAT FROM LOW TO MID LVLS RIDGE AXIS SHIFTS SOUTH WITH H5 RIDGE ACROSS THE STRAITS. THROUGH THE NEXT TWO DAYS...LOW LVL RIDGE REMAINS IN THE SAME GENERAL AREA WHILE UPR LVL TROUGH BEGINS TO DIG INTO THE SOUTHEAST. HOWEVER...THIS IS NOT EXPECTED TO BE A HIGH AMPLITUDE TROUGH MEANING THAT RIDGE SHOULD REMAIN OVR THE SAME GENERAL AREA. WITH THIS CONFIGURATION...HIGHER POPS SHOULD FAVOR INTERIOR WITH NEARLY SIMILAR CHANCES OF RAIN ON BOTH SOUTHEAST AND SOUTHWEST COASTS DUE TO WEAK STEERING FLOW. IF ANYTHING SLIGHTLY HIGHER ON WEST COAST DUE TO WEAK EASTERLY STEERING FLOW. .EXTENDED...RIDGE WILL REMAIN IN PLACE ACROSS THE AREA. HOWEVER...GFS RUNS CONTINUE TO SUGGEST THAT WHAT IS LEFT OF SFC FRONT THAT WILL BE MOVING INTO THE SE BY LATE IN THE WEEKEND IN ASSOCIATION WITH UPR LVL TROUGH COULD LINK UP WITH MSTR ASSOCIATED WITH A TROPICAL WAVE APPROACHING THE AREA BY THE MIDDLE PART OF THE WEEK. THIS IS THE SAME WAVE APPROACHING THE LESSER ANTILLES AT THIS TIME. WILL MAINTAIN CLIMO POPS FOR NOW BUT IF THIS TRENDS CONTINUES POPS COULD BE HIGHER THAN PRESENTLY ADVERTISED FOR THAT TIME PERIOD. && .MARINE...WINDS WILL REMAIN AT LESS THAN 15 KNOTS THROUGH THE FORECAST PERIOD SO NO HIGHLIGHTS THERE. && .FIRE WEATHER...NO CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 76 89 78 89 / 20 50 20 50 FORT LAUDERDALE 80 89 79 89 / 20 50 20 50 MIAMI 79 90 78 90 / 20 50 20 50 NAPLES 75 91 75 90 / 00 60 00 60 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && PS
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE MIAMI FL 505 AM EDT THU AUG 19 2004 FLZ068-072-074-191601- BROWARD METROPOLITAN-DADE METROPOLITAN-PALM BEACH EASTERN- 503 AM EDT THU AUG 19 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY ...MODERATE RISK OF WATERSPOUTS THIS MORNING OVER ATLANTIC WATERS... ...SCATTERED THUNDERSTORMS FROM LATE MORNING ON... THE WINDS OVER THE EAST COAST METRO AREAS OF SOUTH FLORIDA WERE LIGHT FROM THE NORTHWEST...WHILE THE WINDS OVER THE ATLANTIC WATERS OF SOUTH FLORIDA WERE LIGHT FROM THE EAST. THIS SHOULD ALLOW FOR A CONVERGENCE LINE TO SET UP OVER THE NEAR SHORE WATERS OF SOUTH FLORIDA DURING THE MORNING HOURS AND END AROUND NOON TIME...AS THE WINDS WILL BECOME EASTERLY AT 5 TO 10 MPH. THEREFORE...THERE IS A MODERATE RISK OF WATERSPOUTS OVER THE ATLANTIC WATERS OF SOUTH FLORIDA THIS MORNING. THE EAST COAST SEA BREEZE SHOULD DEVELOP OVER THE EAST COAST METRO AREAS OF SOUTH FLORIDA LATE THIS MORNING...AS SHOWERS AND THUNDERSTORMS BECOME SCATTERED ALONG THE SEA BREEZE. THE SEA BREEZE WILL THEN MOVE SLOWLY INLAND TAKING THE SHOWERS AND THUNDERSTORMS ACTIVITY INTO INTERIOR AREAS OF MIAMI-DADE, BROWARD AND PALM BEACH COUNTIES LATE THIS AFTERNOON. ANY THUNDERSTORMS THAT DO DEVELOP WILL HAVE LOCALLY HEAVY RAINFALL, WIND GUSTS UP TO 30 MPH, AND CLOUD TO GROUND LIGHTING STRIKES. IF YOU SEE LIGHTNING OR HEAR THUNDER MOVE INSIDE UNTIL THE STORMS HAVE PASSED. NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. 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...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. FLZ063-066-067-069>071-073-075-191601- EASTERN COLLIER-GLADES-HENDRY-MAINLAND MONROE-PALM BEACH WESTERN- WESTERN BROWARD-WESTERN COLLIER-WESTERN DADE- 503 AM EDT THU AUG 19 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY ...NUMEROUS THUNDERSTORMS WEST AND INTERIOR AREAS THIS AFTERNOON... ...HEAT INDICES 105 TO 110 INTERIOR AREAS THIS AFTERNOON... NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON OVER THE WEST COAST AND INTERIOR AREAS OF SOUTH FLORIDA...AS THE WEST AND EAST COAST SEA BREEZES SLOWLY PUSH INLAND. ANY THUNDERSTORMS THAT DO DEVELOP WILL HAVE LOCALLY HEAVY RAINFALL, CLOUD TO GROUND LIGHTNING STRIKES, AND WIND GUSTS UP TO 30 MPH. IF YOU SEE LIGHTNING OR HEAR THUNDER MOVE INTO A INSIDE UNTIL THE STORMS HAVE PASSED. TEMPERATURES WILL ALSO GET UP TO LOWER TO MID 90S THIS AFTERNOON OVER THE INTERIOR AREAS OF SOUTH FLORIDA ALONG WITH THE DEW POINTS IN THE MID 70S. THIS WILL ALLOW FOR THE HEAT INDICES TO GET UP TO 105 TO 110 THIS AFTERNOON OVER THE INTERIOR AREAS OF SOUTH FLORIDA. NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. 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...FRIDAY THROUGH WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. BAXTER
The Miami radar (KAMX), 135 km away, was scanning. The volume nearest the first event began at 19:29 UTC.
1 tornado. Local standard time, as filed.
A brief tornado touchdown was observed near the intersection of Seminole-Pratt Road and Northlake Boulevard.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2004Every state in 2004This day in weather historyThe tornado archive for Florida, 2004Warnings in Florida, August 2004
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: 5412021.