A pre-frontal squall line moved across South Florida during the late morning and midday hours, causing strong wind gusts and minor wind damage along with small hail. A total of 25,000 customers lost power in Miami-Dade, Broward and Palm Beach counties as a result of the storms.

Hail in COLLIER, FLORIDA
From 10-MAR-11 09:32:00 to 10-MAR-11 09:32:00 (EST-5)
Location: NAPLES PARK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported penny size hail and gusty winds near 43 mph near North Naples.

Thunderstorm Wind in BROWARD, FLORIDA
From 10-MAR-11 11:38:00 to 10-MAR-11 11:38:00 (EST-5)
Location: MIRAMAR
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Measured at Cypress Bay High School in Weston.

Hail in COLLIER, FLORIDA
From 10-MAR-11 09:45:00 to 10-MAR-11 09:45:00 (EST-5)
Location: NAPLES PARK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Dime to nickel size hail reported near I-75 and Immokalee Road.

Thunderstorm Wind in BROWARD, FLORIDA
From 10-MAR-11 12:00:00 to 10-MAR-11 12:10:00 (EST-5)
Location: (FLL)FT LAUDRDL INTL
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported a light pole and a couple of signs downed in a parking lot near Fort Lauderdale/Hollywood International Airport. Initial report was that a tornado caused the damage, but subsequent reports from the spotter and tower personnel at the airport did not confirm the presence of a funnel cloud.
Reports of power lines downed across eastern sections of the city of Fort Lauderdale, mainly near downtown and along and east of US 1.

Tornado in MIAMI-DADE, FLORIDA
From 10-MAR-11 12:19:00 to 10-MAR-11 12:24:00 (EST-5)
Location: MIAMI
Tornado F-scale: EF0
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

NOAA employee reported swirling debris at the intersection of US 1 and Rickenbacker Causeway. A few minutes later, same person observed a funnel touching down on Virginia Key in the vicinity of the MAST Academy. Wind gusts at NOAA/AOML were measured at 53 knots at 12:24 PM as the tornado moved through the area, along with a pressure drop of 2 millibars. Power lines were reported downed in the Alice Wainwright Park area near the intersection of US 1 and Rickenbacker Causeway. No other damage of note was reported.

Thunderstorm Wind in BROWARD, FLORIDA
From 10-MAR-11 11:40:00 to 10-MAR-11 11:40:00 (EST-5)
Location: MIRAMAR
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Employee

Retired NWS employee reported an uprooted ficus tree of approximately 3 feet in diameter at the Flamingo Lakes Golf Course. Estimated winds were near 60 mph.

Thunderstorm Wind in MIAMI-DADE, FLORIDA
From 10-MAR-11 12:20:00 to 10-MAR-11 12:20:00 (EST-5)
Location: CORAL GABLES
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio reports indicate trees down and construction debris around SW 9th Street and SW 36th Court in Miami.

Thunderstorm Wind in MIAMI-DADE, FLORIDA
From 10-MAR-11 12:03:00 to 10-MAR-11 12:03:00 (EST-5)
Location: MEDLEY
Magnitude: 61.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Wind gust of 70 mph measured near NW 87 Avenue and NW 12 Street in Doral. The squall line passed through the Doral Golf and Country Club, disrupting the WGC-Cadillac Championship golf tournament. Two TV transmission towers were toppled by the high winds, as well as a scoreboard, tents and 17 small trees.

Thunderstorm Wind in MIAMI-DADE, FLORIDA
From 10-MAR-11 12:09:00 to 10-MAR-11 12:09:00 (EST-5)
Location: WEST MIAMI
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Measured at Miami Fire Rescue Station 10.