Most of Mississippi can expect temperatures below normal ... polar air comes south sometimes where the polar jet stream ...

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...

Most of Mississippi can expect temperatures below ... As they describe it, the polar vortex circles the north pole counterclockwise. the polar jet stream circles at a lower level of the ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation and ... have plummeted across the Rockies, Plains ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.s. on alert as a lobe of the polar vortex invades the nation and ... have plummeted across the Rockies, Plains ...