FloodZoneMap.org

Flash Flood — Hamilton, TN

Nov 30, 2016

A strong upper level system moved through the Eastern United States late Tuesday into early Wednesday. The associated surface low pressure system pressed north northeast from the Lower Mississippi across the Mid South on its way across the Lower Ohio Valley. While there were reports of damaging straight line wind with some of the thunderstorms generated ahead of the system cold front, the main and concentrated areas of damage were associated with tornadic supercell thunderstorms. The supercell s

Source: NOAA National Weather Service Storm Events Database (event 675455). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Hamilton, TN

This event is one of many recorded floods in Hamilton County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Hamilton County flood data →

More Flood Stories

Flash Flood1 death$1.6M damage

Hamilton, TN · Sep 26, 2018

The back door front had mostly washed out, but southwesterly flow aloft on the west side of the Bermuda High kept the area quite humid. A cold front was approaching from the Mississippi and Ohio Valleys, and heavy convective rain was training along southwest-to-northeast…

Read the full account →
Flash Flood1 death

Hamilton, TN · Aug 12, 2025

A weak upper low helped advect near record moisture into Tennessee, where a boundary and classic heavy rain profiles combined to produce extreme rainfall rates over portions of Chattanooga, leading to numerous water rescues, a few evacuations, flooded interstate and local roads,…

Read the full account →
Flash Flood$1.7M damage

Hamilton, TN · Aug 12, 2025

A weak upper low helped advect near record moisture into Tennessee, where a boundary and classic heavy rain profiles combined to produce extreme rainfall rates over portions of Chattanooga, leading to numerous water rescues, a few evacuations, flooded interstate and local roads,…

Read the full account →
Flood$413K damage

Hamilton, TN · Feb 14, 2003

Four day rainfall totals of two to eight inches fell across east Tennessee, with the highest amounts occurring across the Cumberland Plateau and adjacent valleys areas.

Read the full account →