Brett Anderson

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First Clues to the Upcoming Winter

July 10, 2012; 10:24 AM ET

The new ECMWF model seasonal forecast was just released yesterday to our in-house system. The long-range model now goes out to the November/December/January period.

1. The model is predicting moderate El Nino conditions to develop late this summer and fall and persist into the winter, but not strengthening.

2. The model continues to show slightly below-normal tropical activity for the Atlantic Basin through the fall.

3. The model appears to favor a tendency toward a positive NAO late fall into early winter. Here is a great link that explains the NAO phases and impacts.

Here is my interpretation of what the model is forecasting for North America......

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If you have a quick question about this model forecast, feel free to drop me an EMAIL

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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.