Something is Amiss as a Warm Wave Reaches the North Pole

Is this downstream propagation of the wave what caused record warmth to eastern North America last week? Check out Sean Birkel’s Climate Reanalyzer blog post “Rare December Melt at the North Pole” to understand what is happening.

December 30, 2015 forecast models showing a large meander developing in the jetstream that will funnel warm air across the Nordic Seas and into Siberia. Along the way this plume of mild air could bring temperatures above freezing to the North Pole.