EF0 tornado in Lancaster County, Pennsylvania

Tornado September 4, 2025 · Lancaster County, Pennsylvania

EF0

Rating

0.1 mi

Path length

30 yd

Path width

$10K

Damage as recorded

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The path drawn at its surveyed width of 30 yards (0.02 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

An EF-0 tornado with an estimated peak wind of 70 mph occurred southeast of Collins, PA on the evening of Thursday, September 4, 2025. It lifted the roof off of a dugout at the Solanco Youth Baseball Association and then continued across Kirkwood Pike, where it caused minor crop damage.

The wider storm

A surface cold front stationed across west-central Pennsylvania produced scattered thunderstorms into central and eastern Pennsylvania during the afternoon and evening hours of September 4, 2025. Thunderstorms remained strong-to-severe across north-central Pennsylvania, producing isolated wind damage. Shear in the lowest levels allowed for a brief, weak tornado to form in Lancaster County.

Began near Mechanics Grove (39.8729, -76.1242).

Source: NOAA Storm Events Database, event 1281395. Narratives are written by the National Weather Service forecast office that issued the report.

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