FloodZoneMap.org

Flood — Jefferson, PA

Jan 12, 2018

Low pressure tracking up the Appalachians combined with a strong arctic cold front to produce a significant rain and snow producing storm for the region. Ahead of the front, a strong southwesterly moisture feed and mid-level short wave brought heavy rainfall to the area, with 2 to 3 inch storm total rainfall reports common. This rain created strong rises on area rivers and streams, with several gauging points reaching flood stage. Also, the strong river rises broke up ice on these waterways, cre

Source: NOAA National Weather Service Storm Events Database (event 737963). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Jefferson, PA

This event is one of many recorded floods in Jefferson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Jefferson County flood data →

More Flood Stories

Flash Flood$100.0M damage

Jefferson, PA · Jul 19, 1996

Widespread heavy thunderstorm rains dropped between 4 and 6 inches of rain and caused near record flood problems throughout Jefferson County. Numerous roads were closed throughout the county and several hundred people were evacuated.Punxsutawney was particularly hard hit,…

Read the full account →
Flood$3.0M damage

Jefferson, PA · Jun 27, 2013

A slow moving line of thunderstorms tied to a surface front dropped several inches of rain over northwest Pennsylvania the morning of the 27th.

Read the full account →
Flash Flood

Jefferson, PA · Jun 17, 2025

The stalled boundary began to lift north during the day on the 17th but remained the focus of diurnal convection. While the front did eventually shift off to the east on the 18th, additional storms were able to fire with the lingering moist airmass as an upper level disturbance…

Read the full account →
Flash Flood

Jefferson, PA · Jun 18, 2025

The stalled boundary began to lift north during the day on the 17th but remained the focus of diurnal convection. While the front did eventually shift off to the east on the 18th, additional storms were able to fire with the lingering moist airmass as an upper level disturbance…

Read the full account →