Spaceweather.com reports a Cannibal Coronal Mass Ejection on April 15 sparked geomagnetic storms. On April 16, the storm became severe (G4) with Northern Lights sighted as far south as France. The storm is subsiding now to a category G1/G2, which could still produce high-latitude auroras.
Although Regions AR4062 and AR4064 have been relatively quiet they are more structurally complex than ant…
