This CME has the potential to trigger significant geomagnetic activity when it reaches Earth's magnetic field during the mid-to-late hours of Sept. 12th. NOAA forecasters estimate an almost-80% chance of polar geomagnetic storms on Sept. 12-13.
May want to watch that HDOP this weekend!
Comments
Looks like it hit G3, but is clear now?
Currently at g2 geomagnetic storm: http://www.swpc.noaa.gov/SWN/index.html