A X5.0 flare (R3 strong radio blackout) peaked at 4:55 p.m. EST today. It was the strongest flare observed since Sep. 2017 and came from the same region as the last major flare on Dec. 14. pic.twitter.com/Fm2iLr1MJK

— NOAA Space Weather (@NWSSWPC) January 1, 2024