April 22 – 28, 2022

Solar activity forecast for the period April 22 – 28, 2022

Issued: 2022 Apr 21 2100 UTC

Activity level from Apr 22 to Apr 25: mostly moderate
X-ray background flux (1.0-8.0 A): in the range B3.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 130-185 f.u.
Events: class C (1-20/day), class M (0-5/day), class X (0-1/day), proton (0-1/period)
Relative sunspot number (Ri): in the range 40-150

Activity level from Apr 26 to Apr 28: mostly moderate
X-ray background flux (1.0-8.0 A): in the range B3.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 130-185 f.u.
Events: class C (1-20/day), class M (0-5/day), class X (0-1/day), proton (0-1/period)
Relative sunspot number (Ri): in the range 40-150

Jozef Lesko
Roztoky Observatory, Slovak Republic
https://roztoky.space/category/predpovede/
e-mail: safor (at) protonmail.ch

Geomagnetic activity forecast for the period April 22 – 28, 2022

Issued: 2022 Apr 21 2130 UTC

Unsettled to active: Apr 22 – 28

Jozef Lesko
Roztoky Observatory, Slovak Republic
https://roztoky.space/category/predpovede/
e-mail: safor (at) protonmail.ch