New Jersey Governor Phil Murphy declared a state of emergency after heavy rains caused flash flooding in the Northeast.

"I am declaring a State of Emergency given flash flooding and high levels of rainfall in parts of the state," the governor said on social media.

Earlier Monday, the National Weather Service warned that showers and thunderstorms could bring rainfall rates of up to 2 inches per hour, with totals reaching up to 3 inches in the New York City area.

New York City Transit reported flooding at multiple subway stations in Queens, causing severe disruptions to the E, M and R train lines.