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EF1 tornado in Union County, Pennsylvania

Tornado July 2, 2023 · Union County, Pennsylvania

EF1

Rating

1.5 mi

Path length

150 yd

Path width

$15K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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

A tornado touched down in Lewis Township during the afternoon of July 2, 2023. The tornado touched down just south of Route 45 to the east of Harleton and tracked ENE causing damage to a well-constructed chicken coop along with uplifting a majority of a barn`s roof and spreading it throughout a nearby field. The tornado tracked just west of a residence along Pleasant Grove Road, where many large limbs were observed to be down with a healthy cherry tree snapped before continuing to move northeastward. Trees along the intersection of Kaiser Run Road and Windy Valley Lane were uprooted and snapped with a small outer building having damage lofted into a nearby field. The tornado dissipated just north of Kaiser Run Road. The rating was EF-1, path length was around 1.5 miles, and max path width was approximately 150 yards.

The wider storm

A tornado touched down in Lewis Township during the afternoon of July 2, 2023. The tornado touched down just south of Route 45 to the east of Hartelon and tracked ENE before dissipating just north of Kaiser Run Road. The rating was EF-1, path length was around 1.5 miles, and max path width was approximately 150 yards.

Began near Swengel (40.9025, -77.1320).

Source: NOAA Storm Events Database, event 1101217. Narratives are written by the National Weather Service forecast office that issued the report.

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