A rare solar flare directed at Earth means 30 states could see the aurora borealis, or northern lights, as some lucky Americans see them in Minnesota. RELATED: Scary moment a skier falls down the crevasse in French Alps https://bit.ly/3UZmwKD The Space Weather Prediction Center issued a G2 (moderate) geomagnetic storm watch into Sunday night, with a chance of a G3 (strong) developing later in the night. The center has a five-level geomagnetic storm scale, with G1 storms registering as minor and G5s considered extreme. A G2 storm typically happens 360 days every 11 years, the center says. » Subscribe to USA TODAY: http://bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: https://bit.ly/38Tzndx » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR. #SolarFlare #Northernlights #Auroraborealis