Elliot Abrams

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Cold to Ease Before the Next Freeze

January 3, 2014; 10:19 AM ET

Friday morning

The overall weather pattern features an energetic, undulating jet stream and a lack of blocking. Since individual storms are becoming strong, they are capable of tapping very mild air from the south as they approach and very cold air from the Arctic as they move by.

Today, with a strong storm off the East Coast, a blast of cold air is pouring south on its western side. On Sunday, with a strengthening storm moving through the Great Lakes region, south winds will be pulling mild air back into the East. Temperatures could be in the 40s late Sunday from Boston to Philadelphia. As the storm departs, an air mass that rivals or exceeds the current one in terms of coldness will rush through the Great Lakes then "polarize" the Northeast. This video has more:

This pressure analysis shows that with a powerful storm offshore, cold air has an express route right down along the Eastern Seaboard. Note the southerly flow in the middle of the country.

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About This Blog

Elliot Abrams
Elliot Abrams from AccuWeather.com offers this Northeast Weather Blog for the U.S. with regular updates on NE weather from a leading forecaster and meteorologist.