Sep 21, 2024
A warm front approaching central Pennsylvania in an environment of sufficient instability and shear allowed for thunderstorm formation during the late afternoon and evening hours, with multiple rounds of severe thunderstorms crossing the northern tier of Pennsylvania. The multiple rounds of heavy rainfall, coupled with local topography, allowed for flash flooding across hydrologically sensitive areas of Potter and Tioga counties. As thunderstorms progressed southward into the Lower Susquehanna V
Source: NOAA National Weather Service Storm Events Database (event 1215941). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Northumberland County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.