Thunderstorm Wind in Manassas (c) County, Virginia

Thunderstorm Wind June 17, 2019 · Manassas (c) County, Virginia

58 mph

Estimated gust (50 kt)

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

What the National Weather Service wrote

A tree was blown down on Signal Hill Road near Fairview Avenue.

The wider storm

While large scale forcing was weak across the region on June 17th, a zone of differential heating and a weak lee trough near the Blue Ridge, when combined with local terrain and sea-breeze circulations, were enough to generate scattered thunderstorms across the region during the afternoon and evening hours. Marginal instability and sufficient wind shear promoted the growth of some of these thunderstorms to severe levels.

Began near Manassas (38.7500, -77.4600).

Source: NOAA Storm Events Database, event 834267. Narratives are written by the National Weather Service forecast office that issued the report.

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