FloodZoneMap.org

Flash Flood — Mercer, KY

Jul 14, 2015

A series of upper level disturbances moved from the Upper Midwest into the lower Ohio Valley and interacted with a moist, warm and unstable atmosphere. Strong to severe thunderstorms developed and then organized into bowing segments across the area, spawning three weak tornadoes in addition to widespread areas of downburst wind damage. Thousands of trees were downed, causing scattered power outages and some structural damage. In addition, due to the very wet antecedent conditions, flash floodin

Source: NOAA National Weather Service Storm Events Database (event 585013). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Mercer, KY

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

View Mercer County flood data →

More Flood Stories

Flood$400K damage

Mercer, KY · Mar 2, 1997

Record to near record rainfall from early March 1 through March 2 caused the highest flooding on the Kentucky River at Frankfort since 1937 with the river cresting at 45.2 feet at 1 pm est March 3 (flood stage is 31 feet).

Read the full account →
Flash Flood

Mercer, KY · Apr 4, 2025

On the night of April 2nd, 2025, a cold front approached the lower Ohio Valley. Along and ahead of the cold front, numerous supercells developed over southern Illinois and western Kentucky.

Read the full account →
Flood$100K damage

Mercer, KY · May 2, 2010

A stalled cold front over the Mississippi Valley spawned thunderstorms producing heavy rain from northern Mississippi through middle Tennessee and central Kentucky into southern Indiana.

Read the full account →
Flash Flood

Mercer, KY · Aug 7, 2013

Scattered thunderstorms developed during the late evening on August 7th, centered over the Kentucky Bluegrass Region. The slow movement of these storms, coupled with a tropical environment in which precipitable water values exceeded 2 inches, led to several very localized…

Read the full account →