A surface trough over South Florida and an upper-level trough west of Florida combined to produce severe thunderstorms with large hail and strong winds over Broward County. Hail was as large as 2 inches in diameter and caused an inordinate amount of damage to vehicles in the southwest suburbs of Broward County.
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 surface trough over South Florida and an upper-level trough west of Florida combined to produce severe thunderstorms with large hail and strong winds over Broward County. Hail was as large as 2 inches in diameter and caused an inordinate amount of damage to vehicles in the southwest suburbs of Broward County. A few car dealerships in the area held hail sales after the event.
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 Jun 12, 2:03 PM EST, 35 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIAMI FL 303 PM EDT SUN JUN 12 2011 .DISCUSSION... A BROAD LOW LEVEL AND SOMEWHAT WEAK TROUGH EXTENDS ACROSS THE FLORIDA STRAITS SOUTHWESTWARD TO NEAR THE YUCATAN PENINSULA. THE LATEST GUIDANCE INDICATES DEEPER LAYERED TROPICAL MOISTURE IN THAT REGION WITH RECENT SATELLITE IMAGERY INDICATING A BAND OF CLOUDS IN THESE AREAS. THE TROUGH LIKELY EXTENDS INTO THE SOUTHERN TIP OF THE SOUTH FLORIDA PENINSULA...WHICH IS WHERE THE CONVECTION BEGAN EARLIER THIS AFTERNOON. CONVECTION CONTINUES ACROSS THE SOUTHERN PART OF THE PENINSULA...AND IS BEGINNING TO GET MORE ORGANIZED IN THE INTERIOR PORTIONS OF COLLIER COUNTY. GUIDANCE CONTINUES TO INDICATE THAT THE DEEPER LAYERED MOISTURE WILL LINGER ACROSS THE STRAITS AND SOUTHERN PENINSULA THIS EVENING AND TONIGHT...SO LEFT SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THAT PORTION OF THE CWA THIS EVENING AND OVERNIGHT. THE FACT THAT THERE WILL BE A LINGERING BOUNDARY FROM CURRENT CONVECTION IN THAT AREA COULD ALSO HELP INITIATE ADDITIONAL SHOWERS AND THUNDERSTORMS. FOR MONDAY...CURRENT GUIDANCE CONTINUES TO INDICATE A BAND OF TROPICAL MOISTURE LINGERING ACROSS THE FLORIDA STRAITS WITH FORECAST PWATS EXPECTED TO REMAIN AROUND TWO INCHES ACROSS THE REGION. IN ADDITION...THE LINGERING UPPER LEVEL TROUGH THAT IS CURRENTLY ACROSS THE EASTERN GULF AND CENTRAL PART OF THE PENINSULA WILL STILL WEAKLY EXTEND ACROSS SOUTH FLORIDA AS IT MOVES NORTHEASTWARD. WITH THESE FACTORS IN MIND...SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED AGAIN ON MONDAY AND MONDAY EVENING...MAINLY ACROSS THE PENINSULA WITH GREATEST COVERAGE EXPECTED ACROSS THE INTERIOR REGIONS. BY TUESDAY AND WEDNESDAY...RIDGING WILL START TO TAKE PLACE IN THE UPPER LEVELS AND AVAILABLE MOISTURE WILL START TO DECREASE WITH LATEST GUIDANCE INDICATING CHANCES OF CONVECTION DECREASING...ALTHOUGH CHANCES OF ISOLATED SHOWERS AND THUNDERSTORMS WITH SOME SCATTERED ACTIVITY POSSIBLE. && .MARINE... THE GUIDANCE CONTINUES TO INDICATE THAT SURFACE WINDS ACROSS REGIONAL WATERS ARE FORECAST TO BE AROUND 10 KNOTS OR LESS THROUGH THE FORECAST PERIOD WITH SEAS NEAR 2 FEET OR LESS ACROSS THE GULF AND ATLANTIC WATERS THROUGH THE FORECAST PERIOD. && .FIRE WEATHER... NO FIRE WEATHER CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... WEST PALM BEACH 73 90 74 91 / 10 30 10 30 FORT LAUDERDALE 77 90 78 90 / 10 30 10 30 MIAMI 75 91 77 91 / 20 30 10 30 NAPLES 75 88 74 89 / 10 20 10 30 && .MFL WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. GM...NONE. && DISCUSSION/MARINE...60/BD AVIATION/RADAR/FIRE...84/AK
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA NATIONAL WEATHER SERVICE MIAMI FL 203 PM EDT SUN JUN 12 2011 FLZ063-066>075-168-172>174-130815- 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- 203 PM EDT SUN JUN 12 2011 ...SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING, A FEW STRONG... ...SLIGHT RISK OF MINOR URBAN TYPE FLOODING THIS AFTERNOON AND EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT VISIBILITY: SMOKE FROM A NEARLY EXTINGUISHED WILDFIRE WILL CONTINUE TO AFFECT THE INLAND PORTIONS OF MIAMI-DADE COUNTY. KROME AVENUE REMAINS CLOSED BETWEEN SOUTHWEST 8TH STREET AND HIGHWAY 27. THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH EARLY EVENING. A FEW STRONG STORMS ARE EXPECTED, CONTAINING STRONG WIND GUSTS, HAIL AND FREQUENT LIGHTNING STRIKES. WIND: THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING STRONG WIND GUSTS TO AROUND 50 MPH. HAIL: A FEW STORMS THIS AFTERNOON AND EARLY EVENING MAY PRODUCE SMALL HAIL UP TO NICKEL SIZE. FLOODING: ANY THUNDERSTORM THAT DEVELOPS WILL HAVE THE POTENTIAL TO PRODUCE HEAVY RAINFALL. THIS IN COMBINATION WITH THE SLOW MOTION OF THESE STORMS WILL ALLOW FOR A SLIGHT RISK OF URBAN TYPE FLOODING ACROSS THE REGION THIS AFTERNOON AND THIS EVENING. RIP CURRENTS: WINDS WILL BECOME NORTHEAST AROUND 10 MPH THIS AFTERNOON, RESULTING IN A SLIGHT RISK OF RIP CURRENTS AT THE ATLANTIC COAST BEACHES OF MIAMI DADE, BROWARD, AND PALM BEACH COUNTIES. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND, HAIL AND FLOODING TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI. GREGORIA
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 130 PM EDT SUN JUN 12 2011 FLZ073-075-173-174-121815- COASTAL MIAMI DADE COUNTY FL FAR SOUTH MIAMI-DADE COUNTY FL INLAND MIAMI-DADE COUNTY FL MAINLAND MONROE FL 130 PM EDT SUN JUN 12 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SIGNIFICANT WEATHER ADVISORY FOR... SOUTHWESTERN MIAMI-DADE COUNTY EXTREME EAST CENTRAL MAINLAND MONROE COUNTY * UNTIL 215 PM EDT * AT 126 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED STRONG THUNDERSTORMS ABOUT 7 MILES SOUTH OF ROYAL PALM RANGER STATION. THESE STORMS WERE MOVING NORTH NORTHEAST AROUND 5 MPH. THE PRIMARY IMPACTS WILL BE UP TO NICKEL SIZED HAIL AND GUSTY WINDS OF 45 TO 55 MPH. IN ADDITION...TORRENTIAL DOWNPOURS WITH RAINFALL RATES UP TO 2 INCHES PER HOUR MAY CAUSE PONDING ON SR-933. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES. LAT...LON 2565 8061 2549 8043 2522 8074 2535 8090 TIME...MOT...LOC 1728Z 180DEG 0KT 2529 8060 AK
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 233 PM EDT SUN JUN 12 2011 FLZ071-073-074-121915- INLAND BROWARD COUNTY FL INLAND MIAMI-DADE COUNTY FL METROPOLITAN MIAMI DADE FL 233 PM EDT SUN JUN 12 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SIGNIFICANT WEATHER ADVISORY FOR... EXTREME SOUTH CENTRAL BROWARD COUNTY CENTRAL MIAMI-DADE COUNTY * UNTIL 315 PM EDT * AT 231 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM NEAR INTERSECTION KROME AND KENDALL DRIVE...AND MOVING NORTH NORTHEAST AT 15 MPH. * THE STORM WILL AFFECT... KENDALE LAKES... MICCOSUKEE RESORT... SWEETWATER... AND SURROUNDING COMMUNITIES. THE PRIMARY IMPACTS WILL BE GUSTY WINDS OF 45 TO 50 MPH. THESE WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES. LAT...LON 2597 8059 2580 8032 2559 8046 2569 8064 TIME...MOT...LOC 1833Z 194DEG 13KT 2570 8052 AK
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 300 PM EDT SUN JUN 12 2011 FLZ066-070-121945- HENDRY FL INLAND COLLIER COUNTY FL 300 PM EDT SUN JUN 12 2011 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * SIGNIFICANT WEATHER ADVISORY FOR... EXTREME SOUTH CENTRAL HENDRY COUNTY CENTRAL COLLIER COUNTY * UNTIL 345 PM EDT * AT 257 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 9 MILES SOUTHEAST OF GOLDEN GATE ESTATES...AND MOVING NORTHEAST AT 15 MPH. * THE STORM WILL AFFECT... AVE MARIA... INTERSECTION ALLIGATOR ALLEY AND SR 29... AND SURROUNDING COMMUNITIES. FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 T0 55 MPH...UP TO NICKEL-SIZED HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE POSSIBLE. LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. THESE WINDS CAN DOWN SMALL TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES. LAT...LON 2638 8136 2611 8115 2603 8155 2620 8165 TIME...MOT...LOC 1900Z 244DEG 13KT 2615 8149 AK
The Miami radar (KAMX), 43 km away, was scanning. The volume nearest the first event began at 19:36 UTC.
7 hail, 4 thunderstorm wind. Local standard time, as filed.
An off-duty national weather service employee reported quarter-sized hail in Miramar near SW 18th street.
An off-duty National Weather Service employee reported quarter-sized hail in Pembroke Pines.
An off-duty national weather service employee reported wind speeds estimated to be greater than 60 mph and quarter-sized hail in Pembroke Pines.
A member of the public reported golf ball sized hail near the intersection of I-75 and Sheridan Street.
A member of the public reported increasing hail sizes near the intersection of Indian trace and Bonaventure in Weston. Dime-sized hail began around 400 pm and increased to golf ball-sized hail by 410 pm EDT.
A broadcast media Weatherbug station at Cypress Bay High School in Weston recorded a wind gust of 64 mph. Sustained winds of 45 mph were measured at 355 pm EDT. Time of wind gust estimated from radar data.
A spotter reported golf ball sized hail along with 3-inch diameter branches down along Pine Ridge Ct in Weston.
A member of the public reported golf ball-sized hail on Griffin Road in Weston along with estimated wind speeds of 50 mph.
A skywarn spotter reported that established trees were downed across Sunrise and Weston. Numerous pieces of foliage in varying sizes from small up to large palm fronds were found in the streets. Penny-sized hail and wind speeds estimated to be between 58 and 72 MPH were reported.
A member of the public estimated wind gusts around 60 mph near the intersection of Indian Trace and Bonaventure in Weston at 410 pm EDT.
A report was received of 1 inch in diameter hail near I-595 between Nob Hill and Hiatus Roads.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2011Every state in 2011This day in weather historyWarnings in Florida, June 2011
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: 319643, 319644, 319649, 319645, 319647, 319650, 319653, 319646, 319648, 319652, 319654.