A surface low pressure area over the northeast Gulf of Mexico along with a strong upper level trough of low pressure across the Florida peninsula combined to develop strong thunderstorms across the South Florida waters during the afternoon and persisting well into the night.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 04-APR-13 14:45:00 to 04-APR-13 14:45:00 (EST-5)
Location: BUCKHEAD RIDGE
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet reported a thunderstorm wind gust of 39 knots...45 mph...at the Lake Okeechobee tower L001.

Marine Thunderstorm Wind in BISCAYNE BAY, ATLANTIC SOUTH
From 05-APR-13 00:55:00 to 05-APR-13 00:55:00 (EST-5)
Location: KEY BISCAYNE
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm wind gust of 34 knots...39 mph...was measured at Weatherflow site over Biscayne Bay east of Coconut Grove.

Marine Thunderstorm Wind in BISCAYNE BAY, ATLANTIC SOUTH
From 05-APR-13 01:01:00 to 05-APR-13 01:01:00 (EST-5)
Location: KEY BISCAYNE
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm wind gust of 37 knots...43 mph...was measured at Weatherflow site on Virginia Key.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 04-APR-13 15:05:00 to 04-APR-13 15:05:00 (EST-5)
Location: KREAMER ISLAND
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet reported a thunderstorm wind gust of 40 knots...46 mph...at Lake Okeechobee tower L006.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 04-APR-13 15:05:00 to 04-APR-13 15:05:00 (EST-5)
Location: BUCKHEAD RIDGE
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet reported a thunderstorm wind gust of 39 knots...45 mph...at Lake Okeechobee tower L001.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 04-APR-13 15:20:00 to 04-APR-13 15:20:00 (EST-5)
Location: PORT MAYACA
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet reported a thunderstorm wind gust of 34 knots...39mph...at Lake Okeechobee tower LZ40.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 04-APR-13 15:20:00 to 04-APR-13 15:20:00 (EST-5)
Location: BUCKHEAD RIDGE
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet reported a thunderstorm wind gust of 35 knots...40 mph...at Lake Okeechobee tower L001.

Marine Thunderstorm Wind in JUPITER INLET TO DEERFIELD BEACH FL OUT 20NM, ATLANTIC SOUTH
From 04-APR-13 16:10:00 to 04-APR-13 16:10:00 (EST-5)
Location: JUPITER INLET
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm wind gust of 37 knots...43 mph...was reported at Weatherflow site in Jupiter.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 04-APR-13 17:05:00 to 04-APR-13 17:05:00 (EST-5)
Location: PORT EVERGLADES
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm wind gust of 41 knots...47 mph...was measured at Weatherflow site in Port Everglades at an elevation of 135 feet.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 04-APR-13 17:25:00 to 04-APR-13 17:25:00 (EST-5)
Location: PORT EVERGLADES
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm wind gust of 34 knots...39 mph...was measured at Weatherflow site at Dania Pier.