23 Jun Solar Storm Reaches Severe (G4) Level
A CME was observed on June 21 at 02:48 UT with an average speed of ~ 976 km/s. The CME was associated with an M-class solar flare from active region 2371. The arrival time of the CME on Earth was
A CME was observed on June 21 at 02:48 UT with an average speed of ~ 976 km/s. The CME was associated with an M-class solar flare from active region 2371. The arrival time of the CME on Earth was