Commuters in several major cities across the Northeast and Mid-Atlantic were hampered by flash flooding after storms dumped heavy rainfall that swamped roads and knocked out power on July 14.

New York City’s subway system was fully operational for the Tuesday morning commute, however some roads remained closed in sections of New York and New Jersey after heavy rain swept across the U.S. N...

“Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low-lying areas.”