Big sunspot AR3354 has developed a ‘beta-gamma’ magnetic field that harbors energy for strong solar flares. NOAA forecasters estimate a 40% chance of M-class flares and a 10% chance of X-flares on June 28th. Any eruptions will likely be geoeffective as the sunspot is turning to face Earth.
https://spaceweather.com/
Mike Terry to WOR iog (2023-06-29)