Flash Flood — Fannin, Georgia

2021-03-25 to 2021-03-26 · near Wright Mill, Fannin, Georgia

Event narrative

The transportation department reported Georgia Highway 76 was washed out near the intersection with Wright Mill Road due to high water on Bryan Creek and Hemptown Creek. Radar estimates indicate that 4 to 6 inches of rainfall occurred over the area, producing the flash flooding.

Wider weather episode

A very moist and moderately unstable airmass over the region combined with strong shear and persistent southwesterly mid and upper flow produced numerous showers and thunderstorms across north and parts of central Georgia through the day on the 25th into the morning of the 26th. Numerous reports of flooding were received with several reports of severe thunderstorms and a few isolated tornadoes. Rainfall amounts of 2.5 to 6 inches were common over north Georgia, with 6 to 8 inches observed over the higher elevations of northeast Georgia.

View location on OpenStreetMap → (34.8843, -84.1992)

Source: NOAA Storm Events Database, event_id 953219. Narrative written by the NWS forecast office that issued the report.