Heavy and persistent rains along a stalled front over extreme southeast Florida caused significant flooding across portions of north and northeast Miami-Dade County. Areas affected include North Miami Beach, North Miami and Miami Beach.
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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 episode as NWS MFL wrote it up.
Heavy and persistent rains along a stalled front over extreme southeast Florida caused significant flooding across portions of north and northeast Miami-Dade County. Areas affected include North Miami Beach, North Miami and Miami Beach.
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 May 20, 2:45 AM EST, 2 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 345 AM EDT SUN MAY 20 2007 .DISCUSSION... A WEAK COLD FRONT WAS LOCATED OVER SOUTHERN PORTION OF THE CWA EARLY THIS MORNING...AS SHOWERS AND A FEW THUNDERSTORMS WERE CONTINUING TO DEVELOPED ALONG THE FRONT OVER THE ATLANTIC WATERS OF MIAMI-DADE COUNTY AND PUSH INTO THE EAST COAST METRO AREAS OF MIAMI-DADE COUNTY BEFORE DISSIPATING. THIS ACTIVITY SHOULD CONTINUE TO SLOWLY DISSIPATE TOWARDS SUNRISE...AS THE FRONT MOVES SLOWLY SOUTHWARD TOWARDS THE KEYS. THE FRONT SHOULD THEN STALL OUT OVER THE KEYS TODAY AND TONIGHT ALLOWING FOR A NORTHEAST WIND FLOW OVER THE CWA...AND KEEP SOME LOW LEVEL MOISTURE OVER THE CWA ESPECIALLY OVER THE SOUTHERN AREAS. THE WEST COAST SEA BREEZE COULD ALSO DEVELOP THIS AFTERNOON AND REMAIN NEAR THE WEST COAST WHICH COULD HELP TO GENERATE MORE SCATTERED COVERAGE ALONG THE WEST COAST AREAS. SO WILL HAVE A 20 PERCENT POPS OVER THE CWA FOR TODAY INTO THIS EVENING...EXCEPT FOR THE WEST COAST AREAS WHERE THEY WILL BE IN THE 30 PERCENT. THE FRONT WILL THEN START TO MOVE SLOWLY BACK TOWARDS SOUTH FLORIDA ON MONDAY AND BE OVER THE CWA ON TUESDAY AS IT WASHED OUT. HIGH PRESSURE WILL ALSO CONTINUE TO BUILD INTO THE SOUTHEAST UNITED STATES FROM THE NORTH DURING THIS TIME. SO THE NORTHEAST TO EAST BREEZY WINDS WILL CONTINUE THROUGH THIS TIME PERIOD KEEPING THE LOW LEVEL MOISTURE OVER THE CWA IN PLACE. SO HAVE KEPT A CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN FOR ALL OF SOUTH FLORIDA FOR MONDAY AND TUESDAY. .EXTENDED FORECAST... THE HIGH OVER THE SOUTHEAST UNITED STATES WILL SLOWLY WEAKEN MIDDLE TO END OF THIS WEEK. THIS WILL KEEP THE NORTHEAST TO EAST WINDS OVER THE CWA...BUT WILL ALLOW FOR THE WINDS TO DECREASE FROM BREEZY CONDITIONS TO LESS THAN 15 MPH BY END OF THIS WEEK. THIS WILL ALLOW FOR THE MORE OF A SEA BREEZE EVENT TO DEVELOP OVER THE CWA...AND ALLOW FOR MORE OF THE SHOWER AND THUNDERSTORM ACTIVITY DO DEVELOP ALONG THE SEA BREEZES AND PUSH INTO THE INTERIOR AREAS. SO THE HIGHEST POPS WILL BE OVER THE INTERIOR AREAS FOR LATE THIS WEEK. && .AVIATION... AN EAST TO NORTHEAST WIND FLOW WILL PREVAIL TODAY AND TONIGHT AT ALL AIRPORTS. MVFR CEILINGS EXPECTED WITH MARINE LAYER CUMULUS AND STRATOCUMULUS WITH VISIBILITIES AROUND 5SM IN SHOWERS ACROSS THE DADE COUNTY AIRPORTS THROUGH 12Z OTHERWISE GENERALLY VFR CONDITIONS EXPECTED AT ALL AIRPORTS. SHOWERS AND THUNDERSTORMS INVOF THE ATLANTIC COAST AIRPORTS SOUTH OF KFLL EXPECTED TO DIMINISH BY 12Z. AFTERNOON CONVECTION SHOULD BE MAINLY CONFINED TO THE SOUTHWEST GULF COAST INVOF KAPF. && .MARINE... THE WINDS THIS MORNING HAVE BEEN IN THE 15 TO 20 KNOTS RANGE FROM THE NORTHEAST OVER MOST OF THE CWA WATERS. THIS DIRECTION AND SPEED SHOULD CONTINUE THROUGH MONDAY NIGHT BEFORE SWINGING TO A EASTERLY DIRECTION TUESDAY. THE SPEED SHOULD THEN COME DOWN TO LESS THAN 15 KNOTS BY END OF THIS WEEK. SO THE SEAS IN THE GULF STREAM SHOULD BE ABOVE 7 FEET THROUGH MONDAY NIGHT...BEFORE DECREASING BELOW 7 FEET BY TUESDAY. HOWEVER...THE GULF STREAM SEAS SHOULD REMAIN IN THE SCEC THROUGH LATE THIS WEEK DUE TO THE BREEZY CONDITIONS. SO WILL KEEP THE SCA GOING THROUGH TONIGHT FOR THE GULF STREAM SEAS...AND THE SCEC FOR REST OF THE CWA WATERS. THE ONLY EXCEPTION TO THIS IS FOR THE NEAR-SHORE GULF WATERS WHERE THE WINDS WILL BE 10 TO 15 KNOTS DUE TO THE LAND INTERACTION. SO NO HEADLINES FOR THE NEAR-SHORE GULF WATERS. THERE WILL ALSO BE A HIGH RISK OF RIP CURRENTS TODAY ALONG THE EAST COAST BEACHES DUE TO THE NORTHEAST BREEZY TO WINDY WINDS. SO WILL PUT A HEADLINE FOR THIS IN THE EAST COAST ZONES IN THE MORNING PACKAGE. && .FIRE WEATHER... TEMPS TODAY WILL WARM UP INTO THE MID TO UPPER 80S COASTAL AREAS AND AROUND 90 OVER THE INTERIOR AREAS. DEW POINTS WILL MOSTLY BE IN THE 60S...EXCEPT IN THE UPPER 50S OVER THE NORTHWEST INTERIOR AREAS. THIS WILL ALLOW FOR THE RELATIVE HUMIDITIES TO FALL INTO THE 40S TO 50S OVER MOST LOCATIONS THIS AFTERNOON...BUT COULD FALL INTO THE MID TO UPPER 30S FOR COUPLE OF HOURS THIS AFTERNOON OVER GLADES AND HENDRY COUNTIES. SO NO HEADLINES AT THIS TIME FOR THE FIRE WEATHER...BUT WILL CONTINUE TO WATCH THROUGH THE MORNING HOURS TO SEE IF WE NEED ONE FOR GLADES AND HENDRY COUNTIES FOR LATER TODAY. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 83 73 83 75 / 20 20 30 20 FORT LAUDERDALE 84 73 84 75 / 20 20 40 30 MIAMI 85 74 85 76 / 20 20 40 30 NAPLES 89 68 89 69 / 30 30 30 20 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...HIGH RISK OF RIP CURRENTS TODAY FOR ZONES FLZ068-072-074 AM...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 7 AM EDT MONDAY FOR AMZ650-AMZ651-AMZ670-AMZ671. GM...NONE. && LONG TERM...54/BNB SHORT TERM/AVIATION...50/RLP
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 527 AM EDT SUN MAY 20 2007 FLZ063-066>075-202145- GLADES-HENDRY-PALM BEACH WESTERN-PALM BEACH EASTERN- WESTERN COLLIER-EASTERN COLLIER-WESTERN BROWARD- BROWARD METROPOLITAN-WESTERN DADE-DADE METROPOLITAN- MAINLAND MONROE- 527 AM EDT SUN MAY 20 2007 ...HIGH RISK OF RIP CURRENTS ATLANTIC COAST BEACHES TODAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...TODAY AND TONIGHT RIP CURRENTS: THE COMBINATION OF EAST TO NORTHEAST WINDS AT 15 TO 20 MPH WITH GUSTS TO 25 MPH ALONG WITH LOW TIDES EARLY THIS MORNING AND AGAIN LATE THIS AFTERNOON WILL MEAN A HIGH RISK OF RIP CURRENTS FOR THE ATLANTIC BEACHES OF PALM BEACH, BROWARD AND MIAMI-DADE COUNTIES TODAY. THUNDERSTORMS: ISOLATED THUNDERSTORMS IN THE ATLANTIC COASTAL WATERS AND METRO AREAS OF MIAMI-DADE COUNTY WILL BE DIMINISHING THIS MORNING. ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER INLAND AREAS LATER TODAY AND FAVOR THE SOUTHWEST GULF COAST INCLUDING COLLIER AND MAINLAND MONROE COUNTIES THIS AFTERNOON. FLOODING: HEAVY RAINS OVERNIGHT TOTALLING AS MUCH AS 4 TO 5 INCHES ACROSS NORTHEAST MIAMI-DADE COUNTY WILL BE DIMINISHING EARLY THIS MORNING. URBAN FLOODING OF LOW LYING ROADS AND UNDERPASSES AS WELL AS POORLY DRAINED NEIGHBORHOODS WILL BE SLOW TO RUN OFF CAUSING HAZARDOUS DRIVING CONDITIONS THIS MORNING. WAVES: EAST TO NORTHEAST WINDS 15 TO 20 KNOTS WITH HIGHER GUSTS ACROSS ALL OF THE SOUTH FLORIDA COASTAL WATERS WILL RESULT IN GULF STREAM SEAS BUILDING TO 7 TO 9 FEET TODAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE ATLANTIC COASTAL WATERS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY HERE IS A CHANCE OF MAINLY AFTERNOON AND EVENING THUNDERSTORMS THROUGHOUT THE UPCOMING WEEK FOR MOST OF SOUTH FLORIDA. ORGANIZED SEVERE THUNDERSTORMS ARE NOT ANTICIPATED AT THIS TIME. OTHERWISE, EAST TO NORTHEAST WINDS WILL CONTINUE IN THE 15 TO 20 KNOT RANGE INTO MID WEEK, WITH SEAS IN THE GULF STREAM REMAINING HIGH THROUGH THIS TIME. STRONG EAST TO NORTHEAST WINDS WILL ALSO RESULT IN AN ELEVATED THREAT FOR RIP CURRENTS ALONG THE ATLANTIC COAST BEACHES THROUGH MID WEEK. .SPOTTER INFORMATION STATEMENT... FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 218 AM EDT SUN MAY 20 2007 FLZ074-200715- DADE METROPOLITAN FL- 218 AM EDT SUN MAY 20 2007 AT 215 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES 1.5 TO OVER 2 INCHES OF RAIN HAS FALLEN IN NORTH MIAMI AND PARTS OF MIAMI SHORES SINCE 11 PM. SHOWERS AND POSSIBLY EVEN A THUNDERSTORM ARE CONTINUING ACROSS NORTHEAST METRO MIAMI-DADE FROM DOWNTOWN TO LEMON CITY AND MIAMI SHORES AND WEST TO HIALEAH. AS RAIN CONTINUES, LOCALIZED FLOODING OF POORLY DRAINED UNDERPASSES AND DRAINAGE DITCHES AS WELL AS LOW LYING ROADS IS POSSIBLE. MOTORISTS IN NORTHEAST METRO DADE ARE URGED TO DRIVE WITH EXTRA CAUTION WHEN ENCOUNTERING HEAVY RAIN AND FLOODED ROADWAYS.
The Miami radar (KAMX), 42 km away, was scanning. The volume nearest the first event began at 09:58 UTC.
3 flash flood. Local standard time, as filed.
Very heavy rains caused roads to be closed in multiple locations across North Miami Beach, with numerous reports of water-filled cars stalled at underpasses.
Media also reported a few businesses and apartments in North Miami and North Miami Beach with water intrusion.
Off duty NWS employees reported significant flooding in various sections of Miami Beach. Water intrusion was reported at an apartment complex at 1040 Michigan Avenue in South Beach, and water was encroaching on homes along and near Alton Road between 44th and 48th Streets.
Law enforcement also reported that South Beach south of 17th Street was under water with numerous streets flooded. Flooding was aggravated by high tide which occurred at 1142 AM EDT. Flooding also occurred along|Venetian Causeway which closed the road temporarily.
Significant street flooding near 111 NE 58th Street in Miami and adjacent portion of North Miami Avenue. Street was impassable.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2007Every state in 2007This day in weather historyWarnings in Florida, May 2007
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: 34743, 34746, 34745.