A mid-latitude trough extending from New England to central Florida led to very unstable conditions across south Florida. This resulted in the development of numerous afternoon and evening showers and thunderstorms.
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.
A mid-latitude trough extending from New England to central Florida led to very unstable conditions across south Florida. This resulted in the development of numerous afternoon and evening showers and thunderstorms.
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 7, 1:37 PM EST, 4 hours 23 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 237 PM EDT TUE SEP 7 2010 .DISCUSSION...PARTLY CLOUDY SKIES WILL CONTINUE ACROSS SOUTH FLORIDA, WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH THE EVENING. LATEST WRF-MODEL RUN DEPICTS THE DEVELOPMENT OF THE WEST COAST SEA BREEZE...WHICH WILL KEEP THE WEST COAST AND INTERIOR ACTIVE THROUGH THE EVENING. LATEST GUIDANCE SHOWS A MID-UPPER LEVEL RIDGE EXTENDING FROM THE GULF OF MEXICO TO THE ATLANTIC MOVING WESTWARD THROUGH THE NEXT FEW DAYS. THIS WILL ALLOW FOR E/SE FLOW TO PREVAIL ACROSS THE AREA AND HENCE...NEAR CLIMO CONDITIONS. SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE EACH AFTERNOON THROUGH THE PERIOD MAINLY ACROSS THE INTERIOR AND WESTERN AREAS, WHERE THE SEA BREEZES INTERACTION WILL BE GREATEST. TEMPERATURES WILL REMAIN IN THE LOW 90S FOR THE HIGHS AND IN THE MID/UPPER 70S FOR THE LOWS. && .MARINE...EASTERLY FLOW WILL PREVAIL THROUGH THE PERIOD WITH WIND SPEEDS AT OR BELOW 15 KTS WITH SEAS AT MAINLY 3 FEET OR LESS. && .FIRE WEATHER...NO CONCERNS DUE TO MINIMUM RH VALUES REMAINING ABOVE CRITICAL LEVELS (35%). && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 77 88 78 89 / 30 40 30 40 FORT LAUDERDALE 78 90 80 90 / 30 40 30 40 MIAMI 78 89 79 90 / 30 40 30 40 NAPLES 75 91 77 92 / 30 50 20 50 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && LONG TERM...17/ERA SHORT TERM/AVIATION...70/DD
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 445 AM EDT TUE SEP 7 2010 FLZ063-066>075-168-172>174-072200- 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- 445 AM EDT TUE SEP 7 2010 ...NUMEROUS THUNDERSTORMS INTERIOR AND WEST TODAY... ...SLIGHT RISK OF FLOODING ENTIRE MAINLAND... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE ANTICIPATED TODAY OVER THE EASTERN HALF OF SOUTH FLORIDA THIS MORNING WITH NUMEROUS SHOWERS AND THUNDERSTORMS IN THE INTERIOR AND WEST THIS AFTERNOON AND EVENING. FREQUENT CLOUD TO SURFACE LIGHTNING STRIKES AND TORRENTIAL DOWNPOURS WILL OCCUR WITH THIS ACTIVITY WITH LOCALIZED FLOODING AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SCATTERED THUNDERSTORMS WILL CONTINUE TO AFFECT SOUTH FLORIDA DAILY INTO EARLY NEXT WEEKEND. THE PRIMARY IMPACTS FROM THE STORMS WILL BE LIGHTNING STRIKES, GUSTY WINDS, AND LOCALLY HEAVY RAINFALL. HEAT INDICES WILL BE IN THE 100 TO 105 DEGREE RANGE ACROSS MOST OF MAINLAND SOUTH FLORIDA EACH AFTERNOON. .SPOTTER INFORMATION STATEMENT... WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED. HOWEVER, INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.
The Miami radar (KAMX), 43 km away, was scanning. The volume nearest the first event began at 22:59 UTC.
1 lightning. Local standard time, as filed.
Lightning struck a home in Pembroke Pines blowing a small hole in the roof and roofing tiles onto a parked car. The tiles caused minor damage to the car. No fire was started by the strike, however power was knocked out.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2010Every state in 2010This day in weather historyWarnings in Florida, September 2010
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: 259385.