February 26, 2013. Norfolk, Virginia. The majority of the city of Norfolk sits at, or slightly above, sea level, leaving it vulnerable to flooding and sea level rise. The city has built tidal gates, seen here, that will close as waters rise to help prevent the flooding of downtown.. Tracing the path of Hurricane Sandy, which wrecked havoc on the northeastern seaboard from October 25-31, 2012. The storm caused flooding and caused an estimated 60 billion dollars worth of damage to affected areas.