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EF1 tornado in Butler County, Pennsylvania

Tornado June 14, 2026 · Butler County, Pennsylvania

EF1

Rating

8.3 mi

Whole path

175 yd

Path width

$38K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Butler County → Butler County → Butler County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 175 yards (0.10 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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

NWS Storm Survey confirms an EF-1 tornado with maximum wind of 100 mph.

The wider storm

Aided by a cold front and a shortwave, a strong line of thunderstorms developed in central Ohio and quickly progressed east across western Pennsylvania and northern West Virginia. A moisture rich environment with mid to upper 60s dew points and mid 70s temperatures supported a favorable setup with MLCAPE values around 1000 J/kg and strong effective shear of 40-50 knots. Widespread swaths of wind damage were noted with 60-80 mph wind, and plenty of low level shear also supported embedded mesovortices and transient tornadoes within the line of thunderstorms.

Began near West Liberty (40.9828, -80.0677).

Other tornadoes from the same storm system

3 more tornadoes the National Weather Service filed under this storm episode.

EF2 Jefferson County EF0 Venango County EF0 Beaver County

Source: NOAA Storm Events Database, event 1352453. Narratives are written by the National Weather Service forecast office that issued the report.

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