December 16 – 22, 2022

Solar activity forecast for the period December 16 – 22, 2022

Issued: 2022 Dec 15 2100 UTC

Activity level from Dec 16 to Dec 19: moderate to high
X-ray background flux (1.0-8.0 A): in the range C1.0-C9.0
Radio flux (10.7 cm): a fluctuation in the range 130-175 f.u.
Events: class C (2-20/day), class M (1-10/day), class X (0-1/day), proton (0-1/period)
Relative sunspot number (Ri): in the range 70-165

Activity level from Dec 20 to Dec 22: mostly moderate
X-ray background flux (1.0-8.0 A): in the range B8.0-C8.0
Radio flux (10.7 cm): a fluctuation in the range 120-170 f.u.
Events: class C (1-18/day), class M (0-6/day), class X (0-1/day), proton (0/period)
Relative sunspot number (Ri): in the range 50-160

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

Geomagnetic activity forecast for the period December 16 – 22, 2022

Issued: 2022 Dec 15 2130 UTC

Quiet to unsettled: Dec 16 – 19
Quiet to active: Dec 20 – 22

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