This phenomenon usually precedes magnetic storms.
On the Sun there was the strongest flare since 2017. This was reported in the weather center "Phobos".
Flash intensity X2.8 recorded at about 20:00 Moscow time on Thursday, December 14.
The last time a flare of such strength on the Sun was recorded six years ago.
Such a phenomenon usually precedes magnetic storms. They are expected on Saturday, December 16.
Earlier wrote, when the capital of Russia will cover a powerful snowfall. Precipitation will fall as early as the evening of December 14.