According to authorities and media reports, at least two people died in severe storms in the eastern United States. A 28-year-old man was struck by lightning in an industrial parking lot in southeastern Alabama, local police said. In South Carolina, a 15-year-old was fatally hit by a tree that fell as a result of the storm, CNN reported, citing local authorities.

According to preliminary reports from the National Weather Service, a storm area moved across several states on the east coast. As a result, trees fell, power lines were cut and roofs were ripped off, the New York Times reported. According to the information platform poweroutage.us, more than 600,000 people were temporarily without electricity.

More than 8,000 flights within the US and international arrivals and departures were delayed on Monday. More than 1,700 have been canceled, according to flight data website FlightAware.