irma

Some top researchers now say that climate change has led to stronger hurricanes. Now, there's a push to expand the wind scale to include a Category 6 for winds as powerful as those seen last year.

Harvey, Irma, Maria and Nate will no longer be on the U.N.'s official rotating list of storm names. The hurricanes killed hundreds of people and caused billions of dollars in damage.

More than 6.5 million Floridians were under mandatory evacuation orders. But not all of them left. Those who stayed were bracing for a monster storm — or shrugging off another hurricane.