Meteorologists should watch the tropics rather than the Arctic to predict extreme cold in North America, study says
Meteorologists often look at the behaviour of the polar vortex to predict extreme cold events in North America, but the
Read moreMeteorologists often look at the behaviour of the polar vortex to predict extreme cold events in North America, but the
Read moreWhile the northeastern United States is recovering from the third major winter storm this month, the Arctic is experiencing one
Read moreIf you live in one of the North American areas hit by the latest big freeze, you may well have
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