Thunderstorm Wind in Montour County, Pennsylvania

Thunderstorm Wind August 4, 2017 · Montour County, Pennsylvania

60 mph

Estimated gust (52 kt)

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

What the National Weather Service wrote

A severe thunderstorm producing winds estimated near 60 mph knocked down trees near Danville.

The wider storm

A line of pre-frontal convection developed well ahead of an approaching cold front in a moderate CAPE and moderate shear environment over central Pennsylvania during the afternoon of August 4, 2017. This line of storms produced numerous reports of wind damage, and a brief EF1 tornado formed with a cell on the southern portion of this line in Fulton County, PA. Heavy rainfall also accompanied the storms. Flash flooding occurred across Cumberland County on the evening of the 4th.

Began near Danville (40.9728, -76.6070).

Source: NOAA Storm Events Database, event 710710. Narratives are written by the National Weather Service forecast office that issued the report.

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