FloodZoneMap.org

Flash Flood — 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. A line of convection stalled and trained over Centre, Clinton and Lycoming counties during the late evening hours, producing a swath of 4 to 8 inches of rainfall from just north and west of State College northeastward to near Lock Haven, Jersey Shore and jus

Source: NOAA National Weather Service Storm Events Database (event 660387). 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 →
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 →
Flash Flood

Lycoming, PA · Jun 26, 2025

Hot and humid conditions under the influence of a lee-side trough allowed for scattered thunderstorm development during the afternoon and evening hours of June 26, 2025.

Read the full account →