The temperature difference from normal over the Arctic averaged over the next five days in the GFS model forecast. (University of Maine Climate Reanalyzer) While the Eastern United States simmers in some of its warmest February weather ever recorded, the Arctic is also stewing in temperatures more than 45 degrees above normal. This latest huge temperature spike in the Arctic is another striking indicator of its rapidly transforming climate. On Monday and Tuesday, the northernmost weather station in the world, Cape Morris Jesup at the northern tip of Greenland, experienced more than 24 hours of temperatures above freezing according to the Danish Meteorological Institute . “How weird is that?” tweeted Robert Rohde , a physicist at the University of California at Berkeley. “Well it’s Arctic winter. The sun set in October and won’t be seen again until March. Perpetual night, but still above freezing.” This thaw occurred as a […]