![]() ![]() Numerous record high temperatures are likely in the Upper Mississippi Valley and Great Lakes, Mid-Atlantic and Northeast and in Texas. Sweltering heat is expected today across a large section of the U.S., basically from the East Coast to the Midwest and southern Plains. More intense major hurricanes also are threatening communities farther inland, because the monster storms can grow so powerful that they remain dangerous hurricanes for longer distances over land. Sweltering Heat Across A Large Section Of The U.S. Only about 4.5% of named storms in the Atlantic Ocean have grown to a Category 5 in the past decade, said Brian McNoldy, a scientist and hurricane researcher at the University of Miami. INLAND THREATSĬategory 5 status, when sustained winds are at least 157 mph (253 kph), is quite rare. With super-warm ocean temperatures and low wind shear, “all the stars were aligned for it to intensify rapidly,” said Kerry Emanuel, professor emeritus of atmospheric science at the Massachusetts Institute of Technology. We used to have this metric of 35 mph, and here’s a storm that did twice that amount, and we’re seeing that happen more frequently,” said Shepherd, who describes what happened with Lee as hyperintensification. ![]() “This one increased by 80 mph (129 kph),” Shepherd said. Weather for the next 5 days in Spokane, Washington state, USA.
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