An Alaskan Weather and Climate Blog: All Science, No Politics
Thursday, December 29, 2011
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"