Transportation
Why New York’s Subway Keeps Flooding
Flooding from Ida overwhelmed the largest transit system in the U.S. — a problem that cities will continue to face as climate change brings more extreme rainfall.
Commuters walk into a flooded 3rd Avenue subway station on September 2, 2021.
Photographer: David Dee Delgado/Getty Images North AmericaOn Aug. 21, a record was set in New York City for its largest single-hour rainfall: Almost 2 inches fell in Central Park between 10 p.m. and 11 p.m.
Eleven days later, the record was shattered.