Hundreds of flights were canceled and almost 300,000 customers lost power as severe thunderstorms accompanied by rain, hail and possibly derecho winds swept into the Northeast.
A tornado reported in Elmira, New York, tore down trees, ripped roofs from buildings and trapped people in vehicles, according to the U.S. Storm Prediction Center in Norman, Oklahoma. A tornado watch was issued for parts of New York, Pennsylvania, Vermont, Connecticut and Massachusetts.