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 normal ... polar air comes south sometimes where the polar jet stream ...

Even if you didn't see snow, the Arctic air blast from the polar vortex is still here. See how to get ready for the cold.

Mississippi school and college closures for ... As they describe it, the polar vortex circles the north pole counterclockwise. the polar jet stream circles at a lower level of the atmosphere ...