Jun 2, 2020
A low level boundary pushed southeast ahead of an mesoscale convective system late in the afternoon. This boundary followed the passage of a warm front with effective shear values jumping to 50-60 knots as the low level boundary made its way across southern Ontario and into western New York. The evening Buffalo sounding strongly suggested that any convection would be elevated. The sounding also revealed impressively steep lapse rates through the middle levels. Supercells with strong mid-level ro
Source: NOAA National Weather Service Storm Events Database (event 903964). 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.