R3 (Strong) Radio Blackout Observed
published: Monday, July 5, 2021 20:52 UTC UTC
New Region 2838 produced an impulsive X1 flare (R3 - Strong Radio Blackout) at 14:29 UTC on 03 July. This sunspot region developed overnight and was also responsible for an M2 flare (R1 - Minor Radio Blackout) at 07:17 UTC on 03 July.