A sudden, and very strong coronal mass ejection (CME) slammed into the Earth's magnetosphere on Monday unleashing northern lights that were visible as far south as ALABAMA, an incredible storm to be sure. The storm was still active by the time the sun set here in Washington, however, the clear skies of the early evening were fully overcast by the time it was dark. Grr. You can almost count on that kind of thing around here. I kept an eye on the Kp indexes, which were still at 7, which meant it was still visible up there on top of the clouds.