Powerful solar flares were seen by observers of the space weather between Saturday (August 27) and Monday (Aug. 29),
the most potent of which occurred on Monday at 7:07 a.m. EDT and was an M8-class flare (
According to SpaceWeather.com (opens in new tab). Despite being classified as "mild," M-class flares can nonetheless "produce temporary radio outages."
according to NASA, "near the poles and mild radiation storms that could imperil astronauts" (opens in new tab).
The fourth-strongest solar flare, M, is ranked by scientists among five lettered categories.
On Saturday, sunspot AR3088 produced an M4-class flare (opens in new tab). "The passing impact might ignite G1-class
Apparently, SpaceWeather. According to the website, the same sunspot on Sunday, August 28, unleashed an M6.7-class flare that caused radio blackouts across much of North America.