if you feel the worst is passed? how long will it take? >> here is what we have to figure out, how severe the surges are. if we have salt water down in the lower manhattan area and the subway system down in lower manhattan, it's going to take awhile to get the water out. once all the water is out, we'll be up and running around 12 hours later. if we have power outages in the new york area, anywhere along the lines, the subways run on electrical power. we need that to operate. it's critical. right now, i'm trying to caution everyone to get back to normal is going to require 12 hours after we have full power and we clean everything out. it's going to take longer than that. >> joseph lhota, thanks for taking time out for us. we appreciate it. >> thanks. a gray and ominous day has given way. the wind and rain is making its