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Predicting the Polar Vortex

Predicting the Polar Vortex

After the frigid winter we experienced last year, many are looking anxiously at the upcoming winter months, wondering if the dreaded polar vortex will be there to kindly greet us again. You may have heard about the farmer’s almanac predicting another chilly winter or other stories from media outlets making claims about the polar vortex.

In our last polar vortex post, we took a detailed look at the weather patterns last winter during one of the many intense cold outbreaks. We mentioned key facts about the jet stream and mid latitude cyclones and how the orientation of the jet stream can promote the development of mid latitude cyclones. The jet stream and other upper-air (high in the atmosphere) patterns drive the weather near our surface. In fact, we have the jet stream to thank for the ‘polar vortex’ AND the intense drought ongoing in California.