If history repeats, we're in for a show! A coronal hole rotating into the Earth-Strike zone may bring a G2-level #solarstorm starting midday Oct 7. The hole has grown plus #FallEquinox amplifies effects! Expect mid-latitude #aurora. #Hamradio & #GPS issues on Earth's night side! pic.twitter.com/X9Kse9kfdJ

— Dr. Tamitha Skov (@TamithaSkov) October 3, 2018