Marine Thunderstorm Wind — Altamaha Sd Ga To Fernandina Beach Fl 20 To 60nm, Atlantic South

2023-01-22 · near Brunswick, Altamaha Sd Ga To Fernandina Beach Fl 20 To 60nm, Atlantic South

Event narrative

The NOS Tide Gauge FRDF1 at Fernandina Beach measured a wind gust of 40 mph.

Wider weather episode

A warm front lifted northward across SE GA during the morning and placed the entire forecast area within the warm sector ahead of an approaching pre-frontal squall line. Strong SSW speed shear was over the area with 0-6 km bulk shear 50-60 kts across SE GA to 40-50 kts southward across NE FL. Warm and unstable conditions pushed northward to near Waycross into the afternoon with ML CAPE 1000-1500 J/kg as the pre-frontal convection approached into the late afternoon and early evening. Strong to severe storms moved across the local area during the late afternoon and early evening producing wind damage and a couple of tornadoes in SE GA.

View location on OpenStreetMap → (30.6700, -81.4700)

Source: NOAA Storm Events Database, event_id 1068681. Narrative written by the NWS forecast office that issued the report.