Last week the National Weather Service predicted a 75% chance for a La Niña winter in the northern hemisphere, anticipating the third La Niña year in a row.

“The probabilistic forecast for Southeast Alaska is a tilt towards another colder than normal winter,” said Rick Fritsch, forecaster at the National Weather Service in Juneau. “This is the third La Niña winter, which in itself is extraordinary and doesn’t usually happen.”

During La Niña, southern and…