September 16 – 22, 2022

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

Issued: 2022 Sep 15 2100 UTC

Activity level from Sep 16 to Sep 19: mostly low
X-ray background flux (1.0-8.0 A): in the range B3.5-C2.5
Radio flux (10.7 cm): a fluctuation in the range 105-145 f.u.
Events: class C (0-15/day), class M (0-4/day), class X (0/day), proton (0/period)
Relative sunspot number (Ri): in the range 35-130

Activity level from Sep 20 to Sep 22: mostly low
X-ray background flux (1.0-8.0 A): in the range B3.0-C2.0
Radio flux (10.7 cm): a fluctuation in the range 100-140 f.u.
Events: class C (0-15/day), class M (0-4/day), class X (0/day), proton (0/period)
Relative sunspot number (Ri): in the range 30-130

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

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

Issued: 2022 Sep 15 2130 UTC

Quiet to unsettled: Sep 19 – 22
Quiet to active: Sep 16 – 18

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