Brett Anderson

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Long-Range Model Outlook Trending Colder in the East

December 18, 2012; 12:04 PM ET

This is my latest interpretation of the ECMWF model long-range weekly forecast that goes out into the second week of January.

The model has trended colder from eastern Canada into the eastern half of the U.S. with this particular run, but keep in mind that the bulk of the true Arctic air will remain over the Yukon Territory and into the central Prairies for the most part.

I do feel that both the shorter-range and long-range modeling has been having a hard time sorting out the overall pattern across the Northern Hemisphere as there has been a greater-than-normal amount of flipping and flopping.

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Brett Anderson
Brett Anderson covers both short-term and long-term weather and storm forecasts for Canada in this blog for