Extreme Weather

Ice Loss and the Polar Vortex: How a Warming Arctic Fuels Cold Snaps

By Bob Berwyn The loss of sea ice may be weakening the polar vortex, allowing cold blasts to dip south from the Arctic, across North America, Europe and Russia, a new study says. When winter sets in, "polar vortex" becomes one of the most dreaded phrases in the Northern Hemisphere. It's enough to send shivers … Continue reading Ice Loss and the Polar Vortex: How a Warming Arctic Fuels Cold Snaps