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What actually is the Polar Vortex? 🥶🌀 Most people hear the term and think “Arctic doom.” But the polar vortex is simply a massive low-pressure swirl of cold air that normally stays locked over the Arctic. During winter, it can weaken or wobble, allowing pieces of that frigid air to spill south—sometimes driving major U.S. cold blasts. When it’s strong, cold stays north. When it’s weak? Get ready. Not all cold snaps come from the vortex, but it’s one of the biggest players behind those extreme

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