Polar vortex back up to Canada
 

A southern one-two punch is set to knock the polar vortex back up to Canada, said CNN meteorologist Jenny Harrison.http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA</img> http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA</img> http://feeds.feedburner.com/~ff/rss/...yw:V_sGLiPBpWU</img> http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs</img> http://feeds.feedburner.com/~ff/rss/...yw:gIN9vFwOqvQ</img>


More...