This may be Nothing....it may be related to sun spot cycles or something of that nature....but what IF something like this happens and ISN'T natural one day....just soemthing to think about...
"We don’t want to alarm anyone, but the sun is broken.
A section of the sun has left the surface and begun circulating around the top of the star as if it were a huge polar vortex, and it’s not exactly clear why it’s happened. "
MSN