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Polar vortex collapse could reshape climate patterns

The polar vortex, a high-altitude ring of westerly winds that usually keeps Arctic air locked near the pole, is showing signs of unusual weakening. If that circulation falters or collapses, the result ...
WREX

Piece of the polar vortex to bring late-season chill to Stateline

ROCKFORD (WREX) — A buckling of the jet stream is going to allow for a chill through the first full week of May. Polar Vortex pays Midwest a visit: One usually doesn't hear much about the polar vortex ...