Flash Flood in Alexandria (c) County, Virginia

Flash Flood August 15, 2021 · Alexandria (c) County, Virginia

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

What the National Weather Service wrote

The water level on Cameron Run at Alexandria - Eisenhower Avenue quickly rose above flood stage, cresting at 15.03 feet at 12:55 AM EST. Most of the lower Holmes Run Trail along Cameron Run was flooded.

The wider storm

A slow moving boundary combined with plenty of moisture and an unstable atmosphere led to instances of flooding and flash flooding overnight on the 14th into the early morning of the 15th.

Began near Potomac Yard (38.8310, -77.1352).

Source: NOAA Storm Events Database, event 977545. Narratives are written by the National Weather Service forecast office that issued the report.

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