Hurricane Melissa has made history in the 2025 Atlantic hurricane season by becoming the third Category 5 storm of the year. This marks only the second time on record that the Atlantic season has seen more than two Category 5 hurricanes. The previous season to achieve this feat was the 2005 season, which featured four Category 5 storms: Emily, Katrina, Rita, and Wilma.
Category 5 storms are classified based on their wind speeds, with Category 5 being the most severe. These storms require a unique combination of abundant energy and favorable atmospheric conditions to reach and maintain wind speeds of 157 mph or higher. Melissa is only the 45th Category 5 storm on record in the Atlantic Ocean since 1851.
Melissa rapidly intensified from a tropical storm to a Category 4 hurricane, with wind speeds reaching 185 mph. This rapid intensification was fueled by exceptionally warm waters in the Caribbean Sea. The storm’s central pressure dropped to 892 millibars, tying for the third most intense Atlantic hurricane on record.
With increasing ocean temperatures due to climate change, more storms are expected to undergo rapid intensification and intensify at faster rates. Studies have shown that hurricanes are becoming stronger overall, with more storms reaching higher categories than in the past. In fact, the proportion of tropical cyclones reaching Category 3 or higher has increased in recent decades.
In the past three years, there have been seven Category 5 storms, and in the past decade, there have been 13. This trend highlights the impact of climate change on hurricane intensity and frequency. As the climate continues to change, it is crucial to monitor and study these powerful storms to better understand their behavior and potential impact on coastal communities.
As we witness the effects of climate change on extreme weather events like hurricanes, it is more important than ever to support science journalism. By subscribing to reputable sources like Scientific American, you can help ensure that impactful stories about climate change, natural disasters, and other scientific discoveries are shared with the public. Stand up for science and support journalism that educates, informs, and inspires action in the face of a changing climate.

