Flash flood warnings were issued by the National Weather service Monday night as heavy storms rolled into the area. Flood warnings were issued for Morris, Warren, Bergen, Essex, Hunterdon, Hudson, Passaic, Middlesex, Somerset and Union Counties, according to the National Weather Service.

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

New Yorkers in basement apartments were told to be ready to leave and New Jersey’s governor declared a state of emergency after heavy rains in the northeast caused flash flooding, officials said