1.   More record chill will greet the East on Friday morning under the auspices of a sprawling high pressure system centered over West Virginia.

2.   More record chill will greet the Northeast on Sunday morning with readings below zero in the valleys of the central and northern Appalachians.

3.   Record morning chill will greet most of the Great Lakes and Ohio Valley Thursday as a very large high-pressure system from central Canada settles into the region.

4.   Record chill will greet parts of the Great Lakes and Northeast Monday morning as a large Canadian air mass settles over the region.