Re: Why so cold in eastern U.S.? The NAO/AO are winter's wild card
Posted by JAC on 12/30/2010, 7:32 am
NAO is part of the teleconnections picture

Blocking regimes also contribute to weather patterns and how troughs flow.

A large block has set up over eastern Siberia.

High pressure is returning to Greenland and stretching to Hudson Bay.

NAO is forecast to continue neagtive thru 1st half of Jan.










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Why so cold in eastern U.S.? The NAO/AO are winter's wild card - AlligatorPointer, 12/29/2010, 2:53 pm
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