Record high 500 mb geopotential heights over the #Arctic during the peak melt season (updated through August) ---> just another indicator of the remarkable summer pic.twitter.com/V4CvaGLjyM— Zack Labe (@ZLabe) September 21, 2019
Record high 500 mb geopotential heights over the #Arctic during the peak melt season (updated through August) ---> just another indicator of the remarkable summer pic.twitter.com/V4CvaGLjyM