Flood — Franklin, Pennsylvania

2024-01-09 to 2024-01-10 · near St Thomas, Franklin, Pennsylvania

Event narrative

Heavy rain and snowmelt led to flooding on Leafmore Road to the southeast of Saint Thomas, closing the road.

Wider weather episode

Warm advection ahead of low pressure pushing up the Ohio Valley produced a 4 to 6 hour period of moderate to heavy snow across the southern Allegheny Mountains of Pennsylvania during the morning of January 9, 2024. As much as 12 inches of snowfall was observed atop the Allegheny Front in eastern Somerset and eastern Cambria counties, with localized snowfall rates of 2-3 inches per hour. This system also produced 1.5 to 2.5 inches of rain across the Cumberland and Susquehanna valleys, resulting in localized flooding.

View location on OpenStreetMap → (39.9199, -77.7431)

Source: NOAA Storm Events Database, event_id 1152181. Narrative written by the NWS forecast office that issued the report.