New York City Is Not Built for This
New York City’s sewer system is built for the rain of the past—when a notable storm might have meant 1.75 inches of water an hour. It wasn’t built to handle the rainfall from Hurricane Irene, Hurricane Sandy, or, more recently, Hurricane Ida—which dumped 3.15 inches an hour on Central Park. And it wasn’t built to handle the kind of extreme rainfall that is becoming routine: The city flooded last December, last April, and last July—an unusual seasonal span.