Currently, the activity is at a low (R1) level due to the M1.1 flares occurring on the Sun. Class X flares are expected to occur on January 20-21 due to active regions on the Sun's surface, the Department of Astrophysics of the Physics Faculty of Baku State University told APA.
The flares created an interplanetary shock wave, and the interplanetary magnetic field increased several times. The speed of the resulting solar wind was minimal.
The solar wind is expected to increase on January 20. This is likely due to the coronal mass ejection (CME) separating from the Sun on January 18. The effect of the CME will decrease sharply on January 21-22, and by the end of January 22, the solar wind parameters will return to normal levels.
The geomagnetic field will be at an active (G1-G2 moderate medium) level on January 20. The geomagnetic field will normalize on January 21, and will become stationary from January 22. On January 20, the Kp coefficient, indicating the strength of the geomagnetic storm, will be 5-7 (G1-G2), and on subsequent dates it will be 4 and lower.
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