A flash flood warning was in effect in New York City until 9:45 p.m., and New Jersey Gov. Phil Murphy declared a state of emergency. Middlesex, Morris and Somerset counties remained under a flood warning until 7:15 a.m. Tuesday.

Following severe flash flooding on the East Coast, transport infrastructure in New York has been hit with travel disruption. New York City and New Jersey declared a state of emergency after heavy rainfall soaked the Northeast coast,

The region was hit with heavy rain Monday evening, resulting in flash floods that not only impacted roads and air travel, but also the transit system.

Storms prompted flash flood warnings across the New York City metropolitan area Monday night, with photos showing severe flooding across the city and in parts of New York state and New Jersey.

The National Weather Service has expanded a warning for potential 'life threatening' flooding in NY to include Rockland and central .