Global Warming and the Jet Stream explained - Good Explanation of changes

If you look around, you will see colder colds and higher high temperatures which are caused by a major change in Jet Stream Flows which have come about because of Global Warming or Climate Change.

http://thinkprogress.org/climate/2013/04/16/1867371/video-explains-how-loss-of-arctic-ice-weakens-jet-stream-amplifies-extreme-weather/