2 CTNP vortices instead of 3 meter thick Arctic Ocean sea ice; the new shape of the Polar Vortex

 ~The creation of cold air is due to lack of clouds at night worldwide,  in winter massive "Arctic blasts"can be formed further away from the long Polar night  if dry air is circulated Southwards

~Thinner Arctic Ocean Sea ice changed the morphology and nature  of the Arctic Polar Vortex

Once upon a time,  pre-industrial days,  Arctic Ocean Sea ice was thick:

In those days,  the Cold temperature North Pole was more at the geographic North Pole.

The Weather was stable.  More predictable, easier to plan for.   The Northwest passage took  1 year to cross by ship. 

 These recent summers it takes a modern cruise ship less than 1 week to travel the Northwest passage.  In winter weather dynamics equally changed dramatically.  Anthropogenic Global Warming thinned Arctic Ocean's sea ice forcing the creation of stable CTNP vortices further away from the North Pole, these are the new places where cold systems settles, over land with some glaciers.  The effects are dramatic, warmer over all winters, throughout the northern hemisphere, laced with sudden extreme but short lived cold "Arctic blasts" are the new world order of winter weather.  This curvier nature of the Polar Vortex creates chaos.   

Example today:

   CMC 700 mb chart February 15 2026.  The coldest place in the world is about the Center of the Arctic Archipelago.  Today there are and were , for a long while, 2 stable CTNP vortices within the Polar Vortex.   This current circulation is a deep freeze air engine generator for especially North Eastern Russia Japan and East of the Canadian rockies.  Night dry air is the father of winter, there is a cold snap in the making now whereas the frigid larger atmosphere will be created further South at night with hardly a warming from the low noon sun shinning on snow covered Earth.  The future holds this dynamic for the foreseeable winter decades to come, it is no surprise when your weather hits extreme cold temperatures, some smaller part time deep freeze weather engines moved further South. WD February 15 , 2026