Jul 9, 2021
A cold front crossed the Susquehanna Valley during the early evening hours of July 9, 2021, accompanied by scattered thunderstorms. There were wind damage reports along the path of a particularly impressive bow echo that developed over eastern Perry County and dropped southeastward across Dauphin, Lancaster and far southwestern Lebanon counties. Further north, a band of heavy rain remained nearly stationary during the afternoon, producing flooding in the Mansfield area of Tioga County.
Source: NOAA National Weather Service Storm Events Database (event 978369). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Tioga County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.