When do we use the Batsignal?
And another thing: if the rest of the country is now back on Orange Alert, and NYC is almost undoubtedly a target, does that mean NY escalates to Code Red? I had wondered what exactly Red Alert entails, and according to this MeFi thread, it sounds like martial law - stay in your homes, all non-essential businesses (read: hospitals stay open) close down, though I know, I know, every businessman thinks his business is essential.