Deep tropical moisture south of a trough across central Florida produced scattered to numerous thunderstorms along coastal sections of southeast Florida during the early afternoon.
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 episode as NWS MFL wrote it up.
Deep tropical moisture south of a trough across central Florida produced scattered to numerous thunderstorms along coastal sections of southeast Florida during the early afternoon.
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 5, 9:46 AM EST, 2 hours 14 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 1046 AM EDT SAT SEP 5 2009 .UPDATE... THE MOST SIGNIFICANT CHANGE TO THE FIRST PERIOD FORECAST THIS MORNING WAS TO INCREASE POPS SUBSTANTIALLY OVER THE LOCAL GULF WATERS AND WEST COAST OF PENINSULA...BASED ON CURRENTS TRENDS IN DATA FROM KAMX/KBYX. ALTHOUGH NOT EVERY LAND/MARINE LOCATION WILL EXPERIENCE RAINFALL ALL DAY...FEEL THAT THE COMBINATION OF RICH MOISTURE AND LIGHT SSW STEERING FLOW IS SUFFICIENT TO WARRANT MENTIONING LIKELY POPS FOR ALL REGIONS...EXCEPT THE FAR NORTHWEST INTERIOR WHERE HIGH CHANCE WILL BE USED. OTHERWISE...ADJUSTED SKY COVER GRIDS TO REFLECT MOSTLY CLOUDY CONDITIONS BENEATH BROAD/EXPANSIVE CIRRUS CANOPY OVER THE SOUTHEASTERN GULF. THIS MAY RESULT IN MAXIMUM TEMPERATURE FORECAST BEING A DEGREE OR SO TOO WARM ALONG THE GULF COAST ZONES...BUT WILL WAIT BEFORE ADJUSTING TEMPS DOWNWARD. REMAINDER OF PUBLIC AND MARINE FORECASTS LOOK TO BE ON TRACK...WITH NO CHANGES REQUIRED. 70/DD && .AVIATION DISCUSSION... /ISSUED 722 AM EDT SAT SEP 5 2009/ AVIATION...A FEW SHRA WILL MOVE INTO COASTAL SECTIONS THIS MORNING FOLLOWED BY SCT TO NUMEROUS TSRA BY LATE MORNING AS THE SEA BREEZES DEVELOP, BUT OVERALL MOSTLY VFR CONDITIONS AREA EXPECTED. MOST TSRA ARE EXPECTED FROM AROUND FLL NORTHWARD AND ACROSS INTERIOR LOCATIONS, BUT ALL TERMINALS HAVE A CHANCE OF A STORM TODAY BUT TIMING AT ANY ONE LOCATION REMAINS NEARLY IMPOSSIBLE AND WILL NOTE THIS WITH VCTS AND AMEND WHEN NECESSARY. WINDS WILL BE LIGHT AND VARIABLE TO NEAR CALM FOR A COUPLE HOURS AFTER SUNRISE THEN BECOMING ONSHORE AT NEAR 10 KNOTS BY MID MORNING. AT/KOB .PREV DISCUSSION... /ISSUED 252 AM EDT SAT SEP 5 2009/ DISCUSSION...REX BLOCK DEVELOPS OVER THE GREAT LAKES AS UPPER RIDGE MOVES ACROSS THE N GREAT PLAINS AND OVER THE UPPER LOW OVER THE UPPER MIDWEST/W GREAT LAKES REGION. THE UPPER TROUGH EXTENDING SW FROM THE UPPER LOW WEAKENS ALLOWING THE ATLC RIDGE TO THE SE TO GRADUALLY NUDGE NW ACROSS THE FLA PENINSULA. AS THE ATLC RIDGE BUILDS IN...THE PERSISTENT SURFACE TROUGH...THAT HAS BEEN ANCHORED OVER CENTRAL FLA...GRADUALLY SHIFTS NW AS WELL BUT DEEP TROPICAL MOISTURE REMAINS IN PLACE OVER S FLA. THE ONLY CHANGE WILL BE IN THE STEERING WINDS WHICH WILL GRADUALLY SHIFT FROM A SW TO DEEP EASTERLY FLOW BUT NOT UNTIL MIDWEEK NEXT WEEK. THE LOWEST POPS TODAY WILL BE IN THE EXTREME SE WHERE THE EASTERLIES WILL BE A BIT DEEPER AND THE SW COAST WHERE THE SW STEERING WINDS WILL FAVOR THE INTERIOR AND NE. ON SUNDAY AND INTO MONDAY...A SIMILAR PATTERN CAN BE EXPECTED BUT THE ATMOSPHERE DOES BECOME A LITTLE LESS MOIST. HEATING AND SEA BREEZE DEVELOPMENT CAN BE EXPECTED TO BE MAIN IMPETUS FOR CONVECTION WITH STEERING WINDS RATHER WEAK...LOCALLY HEAVY RAINS CAN BE EXPECTED. TOWARD NEXT WEEKEND...THE MIDWEST UPPER TROUGH DEEPENS AGAIN AND A SW STEERING FLOW WILL REDEVELOP OVER THE AREA. ALL LONG RANGE MODELS BECOMING MORE SIMILAR IN THE WAVE WHICH IS THE REMNANTS OF ERIKA MOVES NW FROM THE PUERTO RICO AREA AROUND THE PERIPHERY OF THE ATLC RIDGE...STAYING WELL E OF S FLA. MARINE...WINDS EASTERLY AT 10 KNOTS OR LESS WITH SEAS 2 FEET OR LESS THROUGH THE PERIOD. FIRE WEATHER...NO CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 89 76 89 76 / 60 40 50 40 FORT LAUDERDALE 89 77 88 77 / 60 40 50 30 MIAMI 90 78 89 77 / 60 30 40 30 NAPLES 91 75 91 75 / 50 20 40 20 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && LONG TERM...70/DD SHORT TERM/AVIATION...30/KOB
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 1211 PM EDT SAT SEP 5 2009 FLZ063-066>075-168-172>174-060715- GLADES-HENDRY-INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER- INLAND COLLIER-INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE- METRO MIAMI DADE-MAINLAND MONROE-COASTAL PALM BEACH- COASTAL BROWARD-COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE- 1211 PM EDT SAT SEP 5 2009 ...SCATTERED TO NUMEROUS THUNDERSTORMS THIS AFTERNOON... ...LOCALLY HEAVY RAINFALL POSSIBLE... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS: SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND INTO EARLY THIS EVENING. THE MOST NUMEROUS ACTIVITY WILL OVER INTERIOR LOCATIONS AND ALONG THE EAST COAST METROPOLITAN REGION. OCCASIONAL TO SOMETIMES FREQUENT LIGHTNING, GUSTY WINDS, AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH THE STRONGEST STORMS. WATERSPOUTS: THERE IS A SLIGHT CHANCE OF WATERSPOUTS ACROSS THE ATLANTIC AND GULF OF MEXICO WATERS EARLY THIS AFTERNOON. FLOODING: SLOW STORM MOTION AND HEAVY RAINFALL MAY LEAD TO MINOR FLOODING OF POORLY DRAINED ROADWAYS THIS AFTERNOON, BUT MAINLY ACROSS THE EAST COAST METROPOLITAN AREA. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
The Miami radar (KAMX), 25 km away, was scanning. The volume nearest the first event began at 16:58 UTC.
1 lightning. Local standard time, as filed.
A boater was standing in a 14-foot aluminum hull boat when a thunderstorm approached. The man was struck and killed. Two others were with him but in the water, and they were not injured.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Lightning, Miami-Dade | 2009-09-05 | 37 | Male | Boating | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2009Every state in 2009This day in weather historyWarnings in Florida, September 2009
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: 195768.