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Scientists have spotted unexpected X- and C-shaped structures in the atmosphere. They are struggling to explain them
Computer models point to changes in the lower atmosphere pulling plasma downward as a possible explanation, according to the study. “The (appearance of the) X is odd because it implies that ...
Al Jazeera English28d
What is a polar vortex, the weather event causing winter storms in the US?
The rising warm air from the lower atmosphere weakens the polar vortex, allowing it to spread more widely. This upward movement of warm air can be triggered by significant weather patterns or ...