Polar Vortex, Jet Stream and Climate Change

2014, Atmosphere, Climate Feedbacks, Extreme Weather, Jet Stream / Polar Vortex, Polar Amplification, Storms, Stratosphere, Year8 Comments

Current coverage of polar vortex intrusion. ‘Polar vortex’ could send wind chill to 65 below zero in Midwest More realtime coverage Carson Walker: Temperature records will likely be broken during the short, yet forceful deep freeze that will begin in many places on Sunday and extend into early next week. That’s thanks to a perfect…

The N Hemisphere’s Atmospheric Circulation Has Collapsed Creating a Persistent Polar Cyclone

2013, Arctic, Arctic Amplification, Atmosphere, Cryosphere, Meteorology, Polar Amplification, Sea IceLeave a comment

By FishOutOfWater / DailyKos: 500mb heights Normal for May 21 to June 6; 1980-2010 Average 500mb heights for May 21 to June 6 2013 A sudden stratospheric warming split the polar vortex in two in mid-January. Since then, the northern hemisphere’s atmospheric circulation has been behaving very strangely. An area of extreme high pressure formed…