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.

Two people in Plainfield, New Jersey, died after their vehicle was swept away by floodwaters during a severe storm overnight. The storm caused flash flooding across the US Northeast. New Jersey Governor Phil Murphy confirmed the fatalities on Tuesday.