U.S. Week 2-4 Outlook: Some winter weather ahead. Cold risk retreats early February.

Highlight: Some winter weather ahead. Cold risk retreats early February. Charts of the day: Most likely day-10/day-15 upper air forecast. Discussion: The mega-cluster ensemble most likely upper air forecast for day-10 is made with low confidence and features an amplified Greenland blocking high pressure ridge with compensating chilly/stormy upper trough(s) in the Missouri Valley to…