Flash Flood — Lancaster, Pennsylvania

2025-07-14 · near Mt Joy, Lancaster, Pennsylvania

Event narrative

Flash flooding in Mount Joy caused water to enter four different homes near the intersection of School Lane and Pinkerton Road.

Wider weather episode

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 counties. In particular, Rapho Township (York County) observed multiple flooded roadways, water rescues, and flooding impacting homes and businesses during the evening hours. Thunderstorms also produced a couple instances of wind damage in northern York County.

View location on OpenStreetMap → (40.1044, -76.5061)

Source: NOAA Storm Events Database, event_id 1279663. Narrative written by the NWS forecast office that issued the report.