A squall line associated with the leading edge of a mesoscale convective system moved across all of central and south Florida. The system produced numerous strong winds gusts along the coast, including up to hurricane-force.

Marine Thunderstorm Wind in FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20NM, ATLANTIC SOUTH
From 11-APR-21 07:48:00 to 11-APR-21 07:48:00 (EST-5)
Location: NEW SMYRNA BEACH
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The AWOS at the New Smyrna Municipal Airport measured a peak wind gust of 42 knots from the northwest.

Marine Thunderstorm Wind in FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20NM, ATLANTIC SOUTH
From 11-APR-21 08:40:00 to 11-APR-21 08:40:00 (EST-5)
Location: EDGEWATER
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

US Air Force wind tower 0108 measured a peak wind gust of 38 knots from the northwest.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 12:09:00 to 11-APR-21 12:09:00 (EST-5)
Location: CAPE CANAVERAL
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow site XCCB on the Banana River at State Road 520 measured a peak wind gust of 35 knots.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 12:39:00 to 11-APR-21 12:39:00 (EST-5)
Location: MELBOURNE
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at the Melbourne International Airport measured a peak wind gust of 42 knots from the north.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 12:45:00 to 11-APR-21 12:45:00 (EST-5)
Location: CAPE CANAVERAL
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

US Air Force wind tower 0108 measured a peak wind gust of 38 knots from the northwest.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 12:46:00 to 11-APR-21 12:46:00 (EST-5)
Location: VALKARIA
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow site XIND on the Indian River measured a peak wind gust of 50 knots from the north.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:09:00 to 11-APR-21 13:09:00 (EST-5)
Location: VERO BEACH
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at the Vero Beach Airport, KVRB, measured a peak wind gust of 45 knots from the northwest.

Marine Thunderstorm Wind in VOLUSIA-BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60NM, ATLANTIC SOUTH
From 11-APR-21 13:10:00 to 11-APR-21 13:10:00 (EST-5)
Location: BUOY 41009
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

Buoy 41009 measured a peak wind gust of 45 knots from the northwest.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:15:00 to 11-APR-21 13:15:00 (EST-5)
Location: SEBASTIAN INLET
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWSS

The AWOS at Sebastian Municipal Airport, KX26, measured a peak wind gust of 39 knots from the north-northwest.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:43:00 to 11-APR-21 13:43:00 (EST-5)
Location: ST. LUCIE NUCLEAR POWER PLANT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow site XSTL at the Saint Lucie Nuclear Power Plant measured a peak wind gust of 52 knots.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:44:00 to 11-APR-21 13:44:00 (EST-5)
Location: FT. PIERCE INLET
Magnitude: 49.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station near Fort Pierce Inlet measured a peak wind gust of 49 knots from the northwest.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:44:00 to 11-APR-21 13:44:00 (EST-5)
Location: STUART
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow site XJEN at Jensen Beach measured a peak wind gust of 63 knots from the northwest.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:49:00 to 11-APR-21 13:49:00 (EST-5)
Location: STUART
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow site XJEN at Jensen Beach measured a peak wind gust of 67 knots from the northwest.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:50:00 to 11-APR-21 13:50:00 (EST-5)
Location: STUART
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The AWOS at Stuart Witham Field Airport, KSUA, measured a peak wind gust of 55 knots from the northwest.

Marine Thunderstorm Wind in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 13:54:00 to 11-APR-21 13:54:00 (EST-5)
Location: STUART
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a measured wind gust of 59 knots at Rocky Point near Stuart. The peak sustained wind was 33 knots.

Marine Hail in SEBASTIAN INLET TO JUPITER INLET 0-20NM, ATLANTIC SOUTH
From 11-APR-21 14:03:00 to 11-APR-21 14:03:00 (EST-5)
Location: TEQUESTA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Local broadcast media reported golf ball sized hail in Hobe Sound.