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The polar vortex - Crash Course #4

Part 4 of my Crash Course in Atmospheric Physics. In this video we explain why the poles are so cold, why this means there's a vortex there, why the stratospheric vortex is so intense, and why its all important. If you would like to support this series you can do so on Konoz: https://konoz.io/courses/56269e8b78c6... :) Previous video:    • Radiation and Ozone - Crash Course #3   In this series we will cover: Introduction to the atmosphere Radiation concepts Air parcels Stability in the atmosphere Thermal concepts and the first law of thermodynamics Absorption and emission spectra The stratospheric polar vortex Global warming Geoengineering Next video:    • Sudden Stratospheric Warmings - Crash...   Series playlist:    • Crash Course in Atmospheric Physics   Further reading A good textbook for this whole series is "Atmospheric Science - An introductory survey" by Wallace and Hobbs. A much more technical look at atmospheric radiation: http://ocw.mit.edu/courses/earth-atmo... A little more information on thermal radiation: http://www.eumetrain.org/data/3/36/na... A bit more on why the poles are cold (also includes a discussion of albedo): http://www.educapoles.org/multimedia/... More on cyclones/anticyclones: http://www.scienceclarified.com/Co-Di... A more technical look at the thermal wind: http://www.met.wau.nl/education/atmos... For more information on the polar vortex, this is a review scientific paper http://www.columbia.edu/~lmp/paps/wau... (technical!) --------- II --------- I am Simon, a third year PhD candidate at the University of Exeter. I upload videos on bits of science which are relevant to what I do, and sometimes just because they're really cool. Vlogs from Oxford students -    / oxvlog   My twitter -   / simonoxfphys   My facebook -   / youtubesimon