Marine Thunderstorm Wind — Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South
2025-07-21 · near St Augustine Arpt, Fernandina Beach To St Augustine Fl Out 20nm, Atlantic South
38 MG
Magnitude
Event narrative
The Mesonet station XLWS Lewis measured a wind
gust of 44 mph.
Wider weather episode
A surface trough axis across the southeast seaboard states interacted with diurnal instability, very high moisture content and sea breezes to produce scattered to numerous strong to pulse severe storms across the area in the afternoon and evening. Slow storm motion and high moisture with several merging boundaries produced locally heavy rain.
View location on OpenStreetMap → (29.9200, -81.3300)
Source: NOAA Storm Events Database, event_id 1277632. Narrative written by the NWS forecast office that issued the report.