The provided web search results for this claim only contain dictionary definitions of the word 'overnight' and FedEx shipping information. There is no factual evidence regarding rainfall in Northern Virginia.

One web search result explicitly describes a video of a man and woman being swept away in floodwaters while the man gives a piggyback ride to a woman in a green dress. Other results discuss unrelated flood events in California and the Northeast.

One web search result confirms the video was shot outside Hashtag Lounge in Alexandria. Other results are irrelevant (YouTube tools, Bolshoi Theatre).

One web search result specifically describes the man giving a piggyback ride to a woman in a green party dress in the video. Other results are stock image descriptions.

One web search result describes the sequence of the man losing his footing, dropping the woman, and both being swept away. Other results discuss unrelated deaths in Tipton County and Portugal.

One web search result confirms that another man carried the woman to the sidewalk while the first man walked beside them. Other results are dictionary definitions of 'second'.

One web search result mentions that the woman who shot the video stated patrons were trapped for almost an hour. Other results discuss a restaurant in New Jersey and obesity in Texas.

The search results for the Alexandria Fire Department discuss a lightning strike on a town hall and a shed fire in Minnesota, but none mention the specific flood event or the assistance provided to patrons of Hashtag Lounge.