Thunderstorm Wind — Manassas (c), Virginia

2019-06-17 · near Manassas, Manassas (c), Virginia

Event narrative

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

Wider weather episode

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.

View location on OpenStreetMap → (38.7500, -77.4600)

Source: NOAA Storm Events Database, event_id 834267. Narrative written by the NWS forecast office that issued the report.