![]() ![]() These wind events arise when storms form a continuous and narrow band of thunderstorms ahead of a cold front, also called a squall line, CNN reported. “If we can keep it to these higher end events, then it can be really meaningful because when you hear that term it’s means that we’re talking about something extremely serious.” “We’re really trying to highlight with just one word, the worst, most damaging wind event that you can potentially expect,” Matt Elliott, SPC warning coordination meteorologist, told CNN. ![]() The hope was that the added rigor would help reserve the term “derecho” for the most impactful, long-lasting and widespread events, SPC meteorologists told CNN. The SPC increased the required path of damage by more than 50% from 240 miles to 400 miles in January 2022 based on a 2016 study. While there’s no official or universal definition for a derecho, it is classified by a swath of wind damage extending more than 400 miles with wind gusts of 58 mph or greater along most of its length, according to the Storm Prediction Center. Here’s what you need to know about derechos: Snowfall tops 6.5 feet and rainfall tops 5 inches across southern California ![]()
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