Alert archive / Ohio / Clermont County

Flash Flood Warnings in Clermont County, Ohio

121 flash flood warnings since 1986. An alert counts here when it covered this county. The archive of flash flood warnings reaches back to 1986.

Clermont County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Flash Flood Warnings
121
Busiest year
201711 flash flood warnings
Average year
4over 34 years on file

Over time

By year

Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.

The latest flash flood warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 20, 3:39 AM EDTFlash Flood Warning Considerable damage threatILN3 hr
Aug 11, 4:03 PM EDTFlash Flood WarningILN3 hr
Aug 7, 3:05 PM EDTFlash Flood WarningILN3 hr
Jul 21, 3:37 PM EDTFlash Flood WarningILN2 hr
Jul 17, 5:56 PM EDTFlash Flood WarningILN5 hr
Jul 17, 4:42 PM EDTFlash Flood WarningILN3 hr
Jun 18, 1:43 AM EDTFlash Flood Warning Considerable damage threatILN6 hr

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.