As discussed earlier, the weakened polar vortex in the northern hemisphere increases the likelihood of Arctic blasts creating record cold in some areas.
This tweet screenshot shows cold weather hitting Finland, as it experiences record cold temperatures.
Such cold snaps are produced as evidence by some that global warming is not happening, when in fact, it is part of the warming process.
Something else that happens – as cold air leaves the pole, hotter air moves in from elsewhere and melts polar ice.