Live Science on MSN2mon
Auroras may paint the northern US tonight as Earth reels from 'strong' G3 geomagnetic storm
Auroras could paint the skies Monday (Sept. 16) at much lower latitudes than usual as a "strong" G3-class geomagnetic storm ...
Gigantic 'G3' solar storm set to hit the Earth this week - how it may affect drivers
G1 is classed as "minor", G2 is "moderate" and G3 is "strong." A G3 storm is currently forecast for Friday, October 4, ...