With the 'polar night Jet' (polar vortex) looking so 'orderly' this year (for once!);
https://earth.nullschool.net/#current/wind/surface/level/orthographic=-44.87,85.69,368 we might be seeing what we should be used to by now (Winters really began 'milding' in the 80's here in the UK?) had we not seen the impacts of both the Ozone hole & Asian Dimming via their rapid industrialisation mess around with global circulation from Strat through the Trop?
Instead we became used to 'cold zones' or areas frequently seeing Polar Plunges and 'mild zones' seeing frequent Warm Air Advection (WAA)?
This time ,with the cold pegged in the Arctic, 'normal' temps are able to maintain over most of the temperate regions?
Problem comes in late Feb/early March when the Polar night jet collapses at winters end and cold flows South/warmth heads North. Will their be a marked increase in the potential difference between air masses and so increased extreme weathers where they meet?
Tornado ally in the US sees a cold polar flow off the rockies meeting with hot humid airs from the Gulf of Mexico
In N. Europe we have a band of lands , from the UK in the west to the far N of Italy, topping the world stats for 'Funnel cloud' formation over the year.
Should this region see the potential difference between opposing air masses increase (African Plumes meeting with Polar Plunges?) should we not expect the 'formation' of Funnel clouds to become 'stronger' and more, higher speed, Tornadoes form from them?
If this 'mild' (so far) winter, in our NW European area, continues then should we be expecting quite a busy spring once the mixing of Polar/tropical commences?
Might we not be seeing some quite viscous storms developing (with all the extra water a warmer atmosphere gives them?) with large hail/frequent lightning & tornado formation?