CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

The mean first frost in the Providence is Oct. 23, but that varies by town. See the cities and towns the National Weather ...

Its strength and position shift with the seasons, according to the National Weather Service. When the vortex is strong, the coldest air tends to stay near the North Pole. When it weakens or wobbles, ...

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