The Brief Flash flood warnings were issued Monday across the New York City area as multiple rounds of heavy rain batter the region. NYC is under a Level 2 flash flood threat, FOX Weather reports, while the entire Tri-State Area is under a Level 1 severe weather threat. New York City and northern New Jersey are under a flood watch through 8 p.m., the National Weather Service says. NYCEM urges residents to stay preparedWhat you can do:With New York City under a flood watch Monday, city officials are asking residents to be prepared, especially those in flood-prone areas, including basement apartments. NYC weather this weekWhat's next:After Monday's flood threat passes, a high pressure system will move into the area and make for a nicer Tuesday.