Jul 4, 2019
Weak flow at all levels was present for Independence Day with weak upper level ridging across the mid-Atlantic and a weak trough across Ohio. Winds up to 700 mb were mainly less than 10 knots. A weak warm front meandered north and increased dewpoints and surface-based instability across western New York in the afternoon hours. Precipitable water values increased to nearly 2 inches on the warm side of the boundary. Storms developed along subtle boundaries in the mid-afternoon, but initially maint
Source: NOAA National Weather Service Storm Events Database (event 845948). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cattaraugus County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.