Hurricanes are becoming so strong we may need a new scale to rate them

Five storms in the past decade had wind speeds that belong in a hypothetical category 6 on the Saffir-Simpson hurricane scale

​Five storms in the past decade had wind speeds that belong in a hypothetical category 6 on the Saffir-Simpson hurricane scale Five storms in the past decade had wind speeds that belong in a hypothetical category 6 on the Saffir-Simpson hurricane scale