Sep 12, 2021
An approaching cold front triggered showers and thunderstorms across the area. An upstream elevated mixed layer and associated mesoscale convective vortex allowed for convection to cross from lower Michigan, across southern Ontario, and into western New York by late in the evening. Sufficient deep layer shear was present to support continued severe activity as the storms approached our area. A quasi-linear convective system resulted as the activity moved through, resulting in widespread wind dam
Source: NOAA National Weather Service Storm Events Database (event 986833). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Erie County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.