Jun 10, 2025
A low pressure system stationed along the Hudson Bay allowed for central Pennsylvania to experience a brief period in the warm sector during the afternoon hours of June 9, 2025 ahead of a mid-level trough. This trough aided in large-scale ascent ahead of a surface cold front that aided in supercell development across western and central Pennsylvania during the afternoon and evening with the trailing cold front, allowing for a second round of thunderstorms containing locally heavy rainfall and so
Source: NOAA National Weather Service Storm Events Database (event 1266650). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Perry County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.