Overview

• Research shows human-caused climate change increased hurricane wind speeds by 9 to 28 mph in 2024.
• Seven hurricanes were elevated to a higher category on the Saffir-Simpson scale due to warmer ocean temperatures.
• Hurricanes Debby and Oscar transitioned from tropical storms to hurricanes, fueled by record ocean heat.
• Hurricane Helene, particularly deadly, was intensified by climate change, resulting in over 200 fatalities.
• Studies indicate that 85% of hurricanes since 2019 have been significantly strengthened by climate change.