aurora borealis, northern lights, predict, prediction, CME, space, space weather, Kp index, photograph, photography, photos, auroral oval
Floor-to-ceiling Aurora Borealis display on March 17, 2013 in Kodiak, Alaska.

During the wee hours of St. Patrick’s Day 2013, I stood with two fellow photographers on a gravel causeway flanked by mountains on one side and the Pacific ocean on the other. Above us, the northern lights shimmered and flowed like