An atmospheric "echo chamber" was created Friday night as a two weather events collided.

The National Weather Service says a powerful lightning strike combined with unique atmospheric conditions caused Friday night's widespread loud boom and bright flash across Northern Virginia. The ...

Residents of Leesburg, Virginia, reported a loud explosion, accompanied by flash of light. The boom was felt across eastern ...

Crews responded to downtown Leesburg late Friday night after reports came in for a loud "explosion" or "boom" heard in the area.

A loud noise with a flash of light was heard in Leesburg, Virginia, on Friday night, and a Maryland resident claims she saw a lighting strike.