Previous record: 4.18 ft. (2023) New record: 6.83 ft. New record: 9.3 ft. Storm surge is the deadliest part of any tropical system. It's defined as the abnormal rise of water over and above the ...

Stronger storms will produce a larger storm surge. In 2005, Hurricane Katrina, a Category 3 storm at landfall, produced a 28-foot storm surge in Louisiana, according to NOAA. In 2011, Hurricane ...