Thunderstorm Wind — Lancaster, Pennsylvania

2017-02-25 · near Lexington, Lancaster, Pennsylvania

Event narrative

A microburst produced straight line winds of 70 to 90 mph, producing a 9 mile path of wind damage that was about 1/2 a mile in width.

Wider weather episode

A strong cold front encountered a record warm airmass across central Pennsylvania during the afternoon of February 25, generating widespread showers and thunderstorms. Some of the storms became severe across the Lower Susquehanna Valley. One cell displayed strong rotation and produced quarter-sized hail as it pushed from east-central York County northeastward across northern Lancaster County. Then, a line of storms followed the rotating cell, producing a bow echo and widespread wind damage as it crossed northern Lancaster County.

View location on OpenStreetMap → (40.2058, -76.3013)

Source: NOAA Storm Events Database, event_id 672302. Narrative written by the NWS forecast office that issued the report.