A strong pre-frontal squall line moved across the area under a moist and unstable environment. Severe storms produced wind damage and locally heavy rainfall.

Marine Thunderstorm Wind in ST AUGUSTINE TO FLAGLER BEACH FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:55:00 to 15-APR-18 14:55:00 (EST-5)
Location: BEVERLY BEACH
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The EOC in Bunnell measured a wind gust of 45 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 15:00:00 to 15-APR-18 15:00:00 (EST-5)
Location: SAUF1 CMAN
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Marine Thunderstorm Wind in ST AUGUSTINE TO FLAGLER BEACH FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 15:00:00 to 15-APR-18 15:00:00 (EST-5)
Location: CRESCENT BEACH
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow station near Crescent Beach measured a wind gust of 42 mph.

Marine Thunderstorm Wind in ST AUGUSTINE TO FLAGLER BEACH FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 15:00:00 to 15-APR-18 15:00:00 (EST-5)
Location: BRUNSWICK
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The EM reported a wind gust of 43 mph at Flagler Beach.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:18:00 to 15-APR-18 14:18:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow sensor at Terminal Channel measured a peak gust of 42 mph with a squall line.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:30:00 to 15-APR-18 14:30:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The NOS station at Blount Island Command measured a wind gust of 42 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:40:00 to 15-APR-18 14:40:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow sensor at Buck Island measured a thunderstorm squall line gust of 40 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:47:00 to 15-APR-18 14:47:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 36.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Craig airfield ASOS measured a wind gust of 41 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:47:00 to 15-APR-18 14:47:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 48 mph was measured at Mayport Naval Air Station.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:48:00 to 15-APR-18 14:48:00 (EST-5)
Location: ST AUGUSTINE ARPT
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The SGJ weather sensor at NE FL Regional Airfield measured a wind gust of 40 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:50:00 to 15-APR-18 14:50:00 (EST-5)
Location: JACKSONVILLE BEACH
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow sensor at the Jacksonville Beach Pier measured a peak wind gust of 43 mph.

Marine Thunderstorm Wind in ST AUGUSTINE TO FLAGLER BEACH FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:50:00 to 15-APR-18 14:50:00 (EST-5)
Location: BEVERLY BEACH
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A wind gust of 47 mph was measured at the Flagler County Airport.

Marine Thunderstorm Wind in ALTAMAHA SD TO FERNANDINA BEACH FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:51:00 to 15-APR-18 14:51:00 (EST-5)
Location: FERNANDINA NOS
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow sensor at Huguenot Park measured a wind gust of 45 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:54:00 to 15-APR-18 14:54:00 (EST-5)
Location: ST AUGUSTINE ARPT
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow sensor at San Sebastian River measured a gust of 44 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:52:00 to 15-APR-18 14:52:00 (EST-5)
Location: SAUF1 CMAN
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 15-APR-18 14:55:00 to 15-APR-18 14:55:00 (EST-5)
Location: ST AUGUSTINE ARPT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A private weather station at Vilano Beach measured a gust of 43 mph.