In a warming climate, extreme cold can still occur.
The occurrence of an extreme cold event does not mean that climate change caused it, nor does it mean climate change isn't real.
But on sufficiently long timescales, extreme cold events are occurring less often.
doi.org/10.1126/scia...
Models and observations agree on fewer and milder midlatitude cold extremes even over recent decades of rapid Arctic warming
Midlatitude extreme cold events have decreased in severity and frequency over recent decades, in agreement with models.
