Thunderstorm Wind in Lebanon County, Pennsylvania

Thunderstorm Wind May 20, 2026 · Lebanon County, Pennsylvania

70 mph

Estimated gust (61 kt)

$15K

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

A severe thunderstorm producing wind gusts estimated at 70 mph blew the roof off of a barn and knocked down trees and wires on Prescott Road between Birch Road and Fox Road in South Lebanon Township.

The wider storm

A surface cold front draped across the southern tier of Pennsylvania began to shift further south and east during the afternoon and evening hours of May 20, 2026. This served as a lifting mechanism in an unstable airmass with 1500 to 2000 J/kg of CAPE across the Lower Susquehanna Valley and favorable bulk shear. Showers and storms began to form and upscale growth allowed for strong-to-severe storms to continue into south-central and southeastern Pennsylvania with tree damage being the main hazard observed within these storms.

Began near Flintville (40.3268, -76.3438).

Source: NOAA Storm Events Database, event 1333027. Narratives are written by the National Weather Service forecast office that issued the report.

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