Prevailing flow continued from the southwest-west as high pressure extended across south Florida and a trough approach from the north-northwest. High diurnal instability and PWAT of 2.25 to 2.4 inches fueled scattered strong to pulse severe storms that formed along the sea breezes.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 11:59:00 to 09-JUL-23 11:59:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station measured a wind gust of 42 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 11:50:00 to 09-JUL-23 11:50:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station measured a gust of 47 mph at the Terminal Channel.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 12:52:00 to 09-JUL-23 12:52:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Mayport Naval Station AWOS measured a wind gust of 47 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 12:00:00 to 09-JUL-23 12:00:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station near Fort Caroline measured a wind gust of 46 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 12:10:00 to 09-JUL-23 12:10:00 (EST-5)
Location: JACKSONVILLE BEACH
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station measured wind gust of 47 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 12:10:00 to 09-JUL-23 12:10:00 (EST-5)
Location: MAYPORT NAS
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station at the JFRD station measured a wind gust of 50 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 12:10:00 to 09-JUL-23 12:10:00 (EST-5)
Location: JACKSONVILLE BEACH
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station near Neptune Beach measured a wind gust of 46 mph.

Marine Thunderstorm Wind in ST AUGUSTINE TO FLAGLER BEACH FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 12:40:00 to 09-JUL-23 12:40:00 (EST-5)
Location: BEVERLY BEACH
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet station at Marineland measured a wind gust of 45 mph.

Marine Thunderstorm Wind in ALTAMAHA SD TO FERNANDINA BEACH FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 18:53:00 to 09-JUL-23 18:53:00 (EST-5)
Location: MCKINNON ARPT
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The KSSI ASOS measured a wind gust of 44 mph.

Marine Thunderstorm Wind in ST AUGUSTINE TO FLAGLER BEACH FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 17:50:00 to 09-JUL-23 17:50:00 (EST-5)
Location: BEVERLY BEACH
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station at Marineland measured a wind gust of 40 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 17:20:00 to 09-JUL-23 17:20:00 (EST-5)
Location: SAUF1 CMAN
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet site in the City of St. Augustine measured a wind gust of 43 mph.

Marine Thunderstorm Wind in FERNANDINA BEACH TO ST AUGUSTINE FL OUT 20NM, ATLANTIC SOUTH
From 09-JUL-23 17:19:00 to 09-JUL-23 17:19:00 (EST-5)
Location: ST AUGUSTINE ARPT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The AWOS at the St. Augustine Regional Airport measured a wind gust of 41 mph.