Heavy Rain — Nassau, Florida

2024-09-08 to 2024-09-09 · near Fernandina Beach, Nassau, Florida

Event narrative

A mesonet station FW5640 Fernandina Beach measured

5.63 inches of rain. About 2 inches fell

between 630 and 730 am.

Wider weather episode

A surface front lingered from near St. Augustine to Gainesville with an approaching upper level trough. The upper trough cooled temperatures aloft while high atmospheric moisture continued over the area. Convergent bands of locally heavy rainfall and isolated embedded thunderstorms developed across NE FL as onshore flow increased as high pressure wedged southward from the north and the local pressure gradient increased.

View location on OpenStreetMap → (30.6600, -81.4300)

Source: NOAA Storm Events Database, event_id 1214316. Narrative written by the NWS forecast office that issued the report.