The 2021 Atlantic hurricane season has officially begun, and it's expected to bring a higher-than-average number of storms in the months ahead.
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NOAA has adjusted its count for an "average" hurricane season, but 2021 storm formation will still be above average.
Here's a guide to the Atlantic hurricane season, including predictions, naming conventions and how to prepare for a storm.
Hurricanes and typhoons — or more broadly, tropical cyclones — begin as clusters of thunderstorms over tropical ocean waters, taking anywhere from several hours to days to become organized.
Wildfires are burning the West Coast, hurricanes are flooding the Southeast — and some of those storms are rising from the dead.
With the formation of Tropical Storm Wilfred on Sept. 18, the 2020 Atlantic hurricane season reached the end of its storm names list and will now "go Greek."
La Niña conditions — cooler-than-average sea surface temperatures across the equatorial Pacific Ocean — could promote a more active Atlantic hurricane season.
Tropical storm Isaias strengthened into a category 1 hurricane before hitting North Carolina last night, bringing rapid flooding
Isaias is expected to bring strong winds and heavy rainfall from the Carolinas to the Mid-Atlantic coast
Hanna, the first hurricane of the Atlantic season, is walloping southeast Texas and northeast Mexico with heavy rains and dangerous flash flooding, according to the National Hurricane Center.
Tropical Storm Hanna, now packing maximum sustained winds of 75 mph (120 km/h), has become the first Atlantic hurricane of the season, as it treks west toward the coast of Texas
Government satellites have spotted the first named storm of the 2020 Atlantic Ocean hurricane season, Tropical Storm Arthur, swirling off the coast of North Carolina.
Hurricane Lorenzo, a powerful storm now bearing down on the Azores, is the strongest hurricane to form this far east in the Atlantic.
The Saffir-Simpson hurricane only goes up to Category 5. But in theory, winds from a powerful hurricane could blow the scale out of the water, scientists say.
Barry is now packing winds of 75 mph. Life-threatening flash flooding will become increasingly likely later today and tonight as Barry moves inland.