Thursday, December 29, 2011

Arctic Air

The afternoon sounding from Fairbanks shows reasonably deep cold air, with the entire sounding colder than minus 20C. I've plotted this one up to 2000 meters, as it shows that the warmest temperature in the RAOB is up near 1800 meters. This highly elevated warmest tropospheric temperature is a good marker of true "arctic air"

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