Climate experts say cold weather and the dreaded polar vortex is caused by global warming.
Dreaded Polar Vortex May Be Shifting – Scientific American
Forty years ago, scientists said the dreaded polar vortex is caused by global cooling and a new ice age.
TIME Magazine Archive Article — Another Ice Age? — Jun. 24, 1974
One thing for sure, climate scientists will say whatever politicians are currently paying them to say.