Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
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What is a jet stream? How does this weather phenomenon shape so much of Texas weather?
Each hemisphere has two main jet streams ... The closer you are to a jet stream, the more active the weather patterns tend to be, from cold fronts to low air pressure systems that can cause ...