Hurricane Milton, now a Category 5 storm, is expected to hit near Tampa, Florida, bringing 15 ft storm surges and heavy rainfall. Residents brace for widespread flooding and destruction. Flights, schools, sports events are suspended as evacuations begin.

Some very big and strong storms happened in the last ten years and there might be more coming. Two scientists who study the weather say we need a new way to tell how strong these storms are: Category 6.