While prevailing weather systems tend to travel W to E, tropical storms that form over the Atlantic travel West before turning to the North, often only after entering the Gulf of Mexico. Thanks Helene 🤬. Why?
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The jet stream moves from west to east over North America. Sometimes it has a big curve in it, which allowed Hurricane Helene to wander up into the Tennessee valley. It doesn’t reach as far south as the Gulf of Mexico, where the air mass is mostly moving north away from the equatorial heat.
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