The boom of the penultimate M layer registered in the sun on Thursday, was notified at the Applied Geophysiology Institute (FSBI “IPG”).

“March 27 at 03:38 Moscow's time within X -Ray in the group of 4043 (N13E46), a flash of M2.1.1 14 minutes was registered,” the message said.
The sun outbreak, depending on the capacity of X -Ray, is divided into five classes: A, B, C, M and X. The minimum class A0.0 corresponds to the radiation power in the 10 -m2 M2 M trajectory. When switching to the next letter, the power increased by 10 times. Flies, as prescribed, accompanied by the emissions of solar plasma, clouds, to the Earth, can cause magnetic storms.