The feverish temperature rise in the Arctic has puzzled scientists: The most up-to-date climate models, such as those in the fifth assessment report of the Intergovernmental Panel on Climate Change, fail to reproduce the rapid warming seen in the Arctic.
Researchers see a link between tropical sea-surface temperatures and the North Atlantic Oscillation, a climate pattern that dominates Arctic weather. Since the 1990s, warm sea-surface temperatures in the western Pacific and cool waters in the eastern Pacific have pushed the North Atlantic Oscillation (NAO) into a pattern that allows high pressure above Greenland and the Canadian Arctic. (High atmospheric pressure leads to warmer temperatures.) The NAO was in a negative fase in march and april hence the violent storm and cold weather we were experiencing in April and we are now again since the last 12 days in another cycle of west winds (drifting again to the east) and lots of snowfall. With predominant high pressure systems in the Arctic, storms usually come and go but we notice that they linger and come with lots of wind and moisture.
Definitely a better day although we skied in zero visibility all day. Not sure if you get used to it or we have forgotten what sunshine was all about. Goggles, face masks, hats, and many layers in the frigid blasting winds today, a classic north pole day. Hit the 200 km mark – if we are not drifting back tonight (4 km to the east last night).