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Thunderstorm Wind in Montour County, Pennsylvania

Thunderstorm Wind July 3, 2014 · Montour County, Pennsylvania

58 mph

Estimated gust (50 kt)

$1K

Damage as recorded

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

What the National Weather Service wrote

Thunderstorm winds estimated near 60 mph knocked down trees in Danville.

The wider storm

A trough over the Great Lakes/Ohio Valley progressed slowly east across the Mid-Atlantic and New England states during the afternoon and evening hours. Meanwhile at lower levels, a secondary cold frontal surge crossed the central Appalachians triggering another round of diurnal storms. Strong heating of a very moist, high PW airmass along with moderate deep shear and sufficient large scale forcing promoted organized thunderstorm clusters/bands which produced numerous reports of damaging winds and isolated, marginally severe hail.

Began near Danville (40.9600, -76.6100).

Source: NOAA Storm Events Database, event 521065. Narratives are written by the National Weather Service forecast office that issued the report.

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