Thunderstorm Wind in Union County, Pennsylvania

Thunderstorm Wind August 11, 2021 · Union County, Pennsylvania

60 mph

Estimated gust (52 kt)

$12K

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 winds estimated near 60 mph produced several reports of downed wires across western Union County.

The wider storm

A strengthening line of showers and storms pushed into central Pennsylvania from the west during the afternoon of August 11, 2021. At the same time, discreet cells developed over the Lower Susquehanna Valley, well ahead of the main line. The greater Harrisburg area experienced multiple rounds of storms, generating localized flooding in many neighborhoods. Local rainfall data showed we received almost 2.5 inches, of which 1.4 and 1.65 inches fell in less than 30 minutes.

Began near Cowan (40.9601, -77.0970).

Source: NOAA Storm Events Database, event 979207. Narratives are written by the National Weather Service forecast office that issued the report.

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