AccuWeather.com's Long-Range Forecasting Team has predicted another cold and snowy winter for a large part of the country due to La Nina. La Nina is a phenomenon that occurs when the sea surface temperatures across the equatorial central and eastern Pacific are below normal. This happened last year creating massive blizzards through out the country. The way the jet stream is expected to position will drive snow storms through the Midwest and Great Lakes, according to AccuWeather.com. Chicago could be one of the hardest hit cities this year in terms of snow and cold, according to AccuWeather.com. Cold blasts of arctic air are expected to invade the Midwest from December to January. Overall, this winter is not expected to be as extreme as last winter for the majority of the Northeast. However, a few significant snow and ice storms could hit the Northeast this year. Areas north and west of the Appalachians are expected to receive much higher than usual snow fall. Heavy lake-effect snow will put northwestern Pennsylvania and western New York in the area for the most snow fall and cold.
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Weather map from AccuWeather.com