Heavy Rain in Nassau County, Florida

Heavy Rain September 7, 2025 · Nassau County, Florida

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A personal weather station KFLFERNA237 measured 4.22 inches of rain in about one hour. Several sites showed 3 to 4 inches in the area.

The wider storm

A front approached from the northwest with a moist and unstable airmass ahead of it across the local area. Slow steering flow and high moisture across the area ahead of the front produced sea breeze showers and storms that produced locally heavy rainfall. Weak shear but high instability across the local marine waters produced waterspouts.

Began near Nassauville (30.5800, -81.5500).

Source: NOAA Storm Events Database, event 1289586. Narratives are written by the National Weather Service forecast office that issued the report.

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