Flood in Franklin County, Pennsylvania

Flood January 9, 2024 – January 10, 2024 · Franklin County, Pennsylvania

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

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

The wider storm

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.

Began near St Thomas (39.9199, -77.7431).

Source: NOAA Storm Events Database, event 1152181. Narratives are written by the National Weather Service forecast office that issued the report.

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