Menopausal Mother Nature

News about Climate Change and our Planet

Uncategorized

Believe it or not, global warming might have caused the arctic blast – Star Tribune

Last week’s arctic temperatures may have shocked millennials, but Minnesotans of a certain age swear they can remember such frigid spells as fairly regular events.

They’re right, and climatologist Kenny Blumenfeld can explain why.

Five or six decades ago, the polar vortex — the thick mass of cold low-pressure air that swirls counterclockwise around the North Pole — would spill bone-chilling air down to Minnesota every two to three years.