NEWS
Arctic Air May Ease Next Week
Doug Webster DTN Senior Ag Meteorologist
Thu Feb 6, 2014 11:06 AM CST

Weather patterns across North America -- and for that matter much of the Northern Hemisphere -- have undergone some retrogression during the past week or so. Retrogression is nothing more than backing up of the main weather features controlling the surface weather patterns shifting westward rather than eastward.

If you live through Saskatchewan or Alberta you have probably noticed temperatures are a whole lot colder this week than they were about a week ago. This is due to the westward shift of the blocking ridge across Alaska to eastern Siberia, allowing the trough and associated polar vortex across Canada to ...

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