Monday, November 24, 2014

Quote of the Week - "This winter looks a whole lot like last winter, it’s a very amplified jet stream pattern."

The position of this upper-level jet stream denotes the location of the strongest SURFACE temperature contrast. (Credit: ww2010.atmos.uiuc.edu) Click to enlarge.
According to Francis*, the extreme U.S. winter of last year and now, the extremes at the beginning of this season, fit her theory.  "This winter looks a whole lot like last winter, it’s a very amplified jet stream pattern," she says.  "We know that when we get these patterns, it tends to be very persistent.  And it is definitely the type of pattern that we expect to see more often as the Arctic continues to warm so fast."

*Jennifer Francis, Research Professor, Rutgers University

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