Bookmark this Video Explainer: Jetstream, Climate, and Weather Extremes

Today’s setup shows outbreak of cold air across North America, with warm blob moving up into arctic.
This is the signature of a climate altered jet stream.

Temperature anomalies from the University of Maine

Below, the Weather Channel’s graph for January 13.

Your periodic reminder that less ice at the Arctic is consistent with a weaker jet stream that allows cold air to drift down into the Great Plains.

The frigid temps you're experiencing happen BECAUSE of a warming planet, not in spite of it. pic.twitter.com/F9oPo88PnJ
— Dr. Steve Campbell (@Historian_Steve) January 12, 2024

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