Saturn Poles with Interesting Hotspots

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A recent discovery on Saturn, hotspots at both of the polar ends of the planet. First theories placed that it was solar radiation responsible for the odd warming (but since Saturn has seasonal tilts too and BOTH poles were warming, this was written off as a reason). The working theory now is that cold air is being vented downward at the poles, while being redirected back in the upper atmosphere; resulting in hotter atmospheric temperatures and possibly stormlike conditions at the poles. The shapes of the atmospheric disturbances is also intriguing. The north pole has a type of hexagon shape while the south pole does not. I theorize it could be due to the seasons and maybe there is still some merit to considering solar variation in this observation. Other variables might be atmospheric conditions/currents which may distrubute temperatures at different rates than those found at the northern pole. http://www.space.com/scienceastronomy/080103-saturn-spots.html