First Atlantic hurricane of 2020 forms, churns toward Texas
The first Atlantic hurricane of the year doesn't usually form until around Aug. 10. Yet, Hurricane Hanna intensified into a hurricane in the Gulf of Mexico Saturday morning, some two weeks ahead of schedule. The storm is expected to make landfall in south Texas later in the day, bringing heavy deluges.
Hurricane Hanna, a Category 1 hurricane, continues 2020's profoundly busy Atlantic storm season. On Wednesday, Tropical Storm Gonzalo formed in the Atlantic Ocean, the earliest time on record for the seventh named storm of the season to form (a storm earns a name when it becomes organized and reaches wind speeds of at least 39 mph). For reference, the Atlantic's seventh named storm doesn't usually occur until around Sept. 16.
Meanwhile, the eighth named storm of the season usually doesn't arrive until Sept. 24. So Hanna is quite ahead of schedule.
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The 2020 Atlantic hurricane season, while producing many exceptionally early storms, has overall produced about an average storm intensity so far, something hurricane researchers call "Accumulated Cyclone Energy."
These early-forming storms have capitalized on above-normal sea surface temperatures (SSTs) in the ocean: Warmer oceans fuel tropical storms as more water naturally evaporates into the air, giving storms energy and moisture to intensify.
"Warm SSTs provide more fuel for developing hurricanes," Philip Klotzbach, a hurricane researcher at Colorado State University, told Mashable.
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In a relentlessly warming climate, with the oceans soaking up colossal amounts of human-created heat, hurricane scientists expect rainfall from hurricanes to increase. A warmer atmosphere holds more water, resulting in bigger deluges.
What's more, there might not be more hurricanes overall in the future, but with warmer oceans researchers expect more hurricanes to reach higher intensities, meaning higher and more destructive wind speeds.
"We think there will be an uptick in the most intense storms," Brian Tang, an atmospheric scientist at the University of Albany, told Mashable on Wednesday.
Visit the National Hurricane Center website for updates on storm activity.
Mark was the science editor at Mashable. After working as a ranger with the National Park Service, he started a reporting career after seeing the extraordinary value in educating people about the happenings on Earth, and beyond.
He's descended 2,500 feet into the ocean depths in search of the sixgill shark, ventured into the halls of top R&D laboratories, and interviewed some of the most fascinating scientists in the world.
