Brett Anderson

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Long-Range Model Finally Catching on to Pattern Changes?

January 4, 2013; 10:54 AM ET

The latest update of the ECMWF long-range model is quite a change from the previous run, which was not unexpected as the model has been all over the place recently, but also the fact that there is a significant warming event underway in the stratosphere in the far northern latitudes which could eventually (in 10-20 days) translate to a widespread outbreak of cold weather for a large part of southern Canada and into parts of the U.S. as the Arctic and North Atlantic Oscillations go back into the negative phase.

Clearly, the model has trended colder since the last run, but it still likely has even more catching up to do over the next week or two.

In the meantime, many in the east will be able to enjoy a spell of milder weather next week.

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The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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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 AccuWeather.com.