R3 (Strong) level flare event
swpc.noaa.gov
swpc.noaa.gov
Region 3615 has been very active: produced an R2 / M-6.7 4 days ago [0] (when it had just rotated into view) and then another R2 / M-7.4 2 days ago [1].
[0] https://www.swpc.noaa.gov/news/r2-moderate-hf-radio-blackout...
[1] https://www.swpc.noaa.gov/news/ar-3615-produces-m74-flare
https://www.swpc.noaa.gov/news/geomagnetic-storm-watches-iss...
and already observed up to G2
https://www.swpc.noaa.gov/news/g2-moderate-geomagnetic-storm...