Source - Space Weather News for Sept. 12, 2010: http://spaceweather.com
ARCTIC AURORA WATCH: A magnetic filament on the sun erupted during the late hours of Sept. 10th, hurling a bright coronal mass ejection (CME) into space. The CME is not heading directly for Earth, but the cloud's southern flank could deliver a glancing blow to our planet's magnetic field on Sept. 12th or (more likely) Sept. 13th. People in Alaska, Canada, Iceland, Greenland and Scandinavia should be alert for Northern Lights in the nights ahead. Check http://spaceweather.com for updates and movies of the eruption that prompted this alert.