It happened again right now. There was no flares or CME's and the magnet field is getting clobbered for no apparent reason. This image updates so it will only appear to have high activity (lots of red and a little yellow) if you view it near when I posted this.
![[Image: pmapNst.gif]](http://www.swpc.noaa.gov/pmap/gif/pmapNst.gif)