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.

New York and New Jersey hit by torrential rain and flash floods, forcing highway closures, suspending subway lines and flight delays.

New York City faced severe disruptions as torrential rains triggered flash floods, inundating subway stations and stranding passengers. Dramatic videos circulating on social media captured the chaos,