FloodZoneMap.org

Flash Flood — Lycoming, PA

Jul 14, 2025

A fairly moist and unstable environment ahead of a shortwave trough allowed for showers and thunderstorms to begin forming across central Pennsylvania during the morning hours of July 14, 2025. Showers and thunderstorms became more numerous into the early afternoon hours, pushing eastward through the evening hours. Saturated soils across eastern Pennsylvania from recent flooding allowed for numerous instances of flash flooding, including numerous water rescues in York, Lancaster, and Lycoming co

Source: NOAA National Weather Service Storm Events Database (event 1279227). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Lycoming, PA

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

View Lycoming County flood data →

More Flood Stories

Flash Flood6 deaths

Lycoming, PA · Jan 19, 1996

Six people died in Lycoming County along Lycoming Creek on Friday the 19th. A husband and wife age 77 and 75 were swept away when they tried to drive away from their home in rural Trout Run early in the afternoon.

Read the full account →
Flash Flood$26.0M damage

Lycoming, PA · Oct 21, 2016

A potent cold front pushed into an unseasonably warm and humid air mass, generating widespread showers and thunderstorms. There was a considerable amount of both low level and deep layer shear, and some of the storms produced damaging winds.

Read the full account →
Flood$11.0M damage

Lycoming, PA · Sep 7, 2011

Heavy rainfall from the remnants of Tropical Storm Lee produced widespread flooding, flash flooding and river flooding mainly near and to the east of the Susquehanna Valley from September 4-10.

Read the full account →
Flash Flood$100K damage

Lycoming, PA · Jul 28, 2012

Strong instability and deep moisture combined with a vigorous upper-level disturbance over the Lower Great Lakes and weak frontal boundary/inverted lee trough east of the Blue Ridge Mountains to produce isolated severe thunderstorms and localized heavy rainfall during the late…

Read the full account →