Torrential rain and flash flooding led to dramatic rescues in New Jersey as Gov. Phil Murphy declared a state of emergency.

Floods submerged cars and grounded planes in New Jersey, prompting the governor to declare a state of emergency. The deluge also hit New York and Pennsylvania.

Cars were submerged, roadways flooded and nearly 2,000 flights canceled throughout the Northeast on Monday as flash flooding caused significant delays to regional transport -- and with more wet weather forecast through into Tuesday.