Researchers suggest adding a sixth category to the Saffir-Simpson scale. They say tropical cyclones becoming more powerful with global warming.
The scale which goes from 1 (less powerful) to 5 (more powerful) more reflects the potential danger of increasingly powerful hurricanes. Originally, “this scale was designed to estimate the expected damage to structures,” relates Jim Kossin, co-author of the study. The study was published in the journal Proceedings of the National Academy of Sciences (Pnas)