[criticalfault]

what is 'this level of cold' exactly?

[alephnerd]

For example, Paris is more north of Montreal yet never has Montreal level winters, and is usually 10-20 degrees F warmer.

There is a good visualization of the effects by Utrecht University [0]

[0] - https://amocscenarios.org/

[brimwats]

-20°C or more winters