FloodZoneMap.org

Flash Flood — Wyandot, OH

May 19, 2020

A slow moving upper low over Illinois combined with a conveyor belt of humid air over Ohio supported widespread showers and thunderstorms over southern and central Ohio on the afternoon and evening of the 18th. The weather conditions supported not severe weather but heavy rain. Rain rates of 2 inches an hour or higher were observed with storms that trained, or repeated over the same areas. Overnight the low sank further south and drier air filtered into north and eastern counties which reduced

Source: NOAA National Weather Service Storm Events Database (event 890747). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Wyandot, OH

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

View Wyandot County flood data →

More Flood Stories

Flash Flood1 death$150K damage

Wyandot, OH · Jul 21, 2019

Low pressure over west central Indiana moved slowly east in Ohio on the afternoon and evening of the 21st. The boundary slowed to a stationary front across central Ohio, becoming a catalyst for storm development.

Read the full account →
Flood$650K damage

Wyandot, OH · Jul 13, 2017

Dew points across the region during the morning of the event were in the lower 70s with high moisture content throughout the air column. A prefrontal trough moved southward into the region during the morning hours of the 13th, triggering convection.

Read the full account →
Flood$100K damage

Wyandot, OH · Jul 7, 2017

A cold front approaching the area from Michigan triggered some convection over central Ohio during the midday of the 7th. Dew points were in the 60s and increasing shear supported developing storms. A severe thunderstorm watch was in effect from 10 am through 5 pm.

Read the full account →
Flood$500K damage

Wyandot, OH · Jan 1, 2005

Heavy rain and runoff from snowmelt caused widespread lowland flooding in Crawford, Seneca, Wyandot and Huron Counties the first half of January.

Read the full account →