Please consult the original map on http://project.wnyc.org/si-elevation/embed.html?layer=0#14.00/40.5753/-74.0892 and read the full story there

A good example of an elegant and simple map whose reality everyone wishes could have been avoided: deaths in low lying “bowls” due to the Sandy Storm in Staten Island, New York City. A simple map, with the level contours and the dots (see the link) where these people died, with their names.