Heavy Rain — Nassau, Florida

2025-08-16 · near Callahan, Nassau, Florida

Event narrative

A private weather station Callahan KFLCALLA70 measured 2.03 inches of rainfall in 50 minutes. The rain began at 2:24 pm EDT.

Wider weather episode

Periods locally heavy rainfall and flooding impacted northeast Florida during the afternoon and evening as a surface front across the area interacted with the sea breezes over a diurnally unstable and moist airmass. There was a Marginal Risk of flooding rainfall from the Weather Prediction Center. Precipitable water was 2-2.2 inches with storm motion less than 5 knots.

View location on OpenStreetMap → (30.5500, -81.7700)

Source: NOAA Storm Events Database, event_id 1285117. Narrative written by the NWS forecast office that issued the report.