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, ...
Meteorologist Zack Webster shows how tropical development winds down as the hurricane season crosses into November.
The research ship Polarstern spent two months in the ice of the Arctic this summer. What they found could be evidence of an ecological collapse.
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