When the North Pole tilts toward ... As a result, spring and fall seasons feel similar in the Northern and Southern hemispheres, compared to the extremes of winter and summer.
The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...
The company said the polar vortex is a part of Earth's atmosphere that is found over the North Pole. Strong winds ... the lowest temperatures of the winter season in North America, AccuWeather ...
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