Twenty years ago, on Aug. 29, 2005, Hurricane Katrina cemented itself in history as one of the deadliest and most devastating disasters to strike the U.S.

Twenty years ago today Hurricane Katrina slammed ashore in Louisiana as one of the costliest and deadliest U.S. disasters. Over 1,300 people died and 80% of New Orleans was submerged in water. The damage was estimated to be $125 billion.

A brief summary of key facts and figures related to the storm, which changed New Orleans forever and remains the costliest U.S. hurricane on record.