The polarvortex -itself- is nothing new. It doesn't *hit* you. Rather, pieces of it can break off and send colder air into parts of the UnitedStates. Think of the atmosphere like a cake - it ...
the polarvortex can sometimes get out of balance. When it wobbles or weakens, chunks of that super cold air can spill out and slide south, making places like the UnitedStates suddenly feel ...
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