Interesting bit of trivia: I'm watching the DVD as I type this, and with a bit of freeze-framing caught the latitude and longitude for their version of Metropolis.
LAT: +37.1237 LONG: -76.3196
Google Earth puts it between Virginia Beach and Newport News. So, a little ways south of the position Snyder stated in news reports in Chesapeake Bay.
And the footage shows no time for evacuation orders to go out at all when Zod gave the "go" order.