Numerous flash floods had been reported across New York, New Jersey and Connecticut, closing roads and highways, submerging cars, and stranding motorists, according to the National Weather Service. Metro-North reported suspensions of service on part of the Harlem line, and some delays on the New Haven line, as well, which has since been reopened.

Lingering showers were forecast for the New York City area, but heavy rain and threats of flash flooding were predicted to shift south on Tuesday.

Authorities say two people in New Jersey were killed after their vehicle was swept up in flood waters during a storm that moved across the U.S. Northeast overnight. Authorities said Tuesday