April 15 – 21, 2022

Solar activity forecast for the period April 15 – 21, 2022

Issued: 2022 Apr 14 2100 UTC

Activity level from Apr 15 to Apr 18: mostly low
X-ray background flux (1.0-8.0 A): in the range B1.0-C1.0
Radio flux (10.7 cm): a fluctuation in the range 95-130 f.u.
Events: class C (0-12/day), class M (0-1/day), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 20-105

Activity level from Apr 19 to Apr 21: mostly low
X-ray background flux (1.0-8.0 A): in the range B1.0-C1.0
Radio flux (10.7 cm): a fluctuation in the range 95-130 f.u.
Events: class C (0-12/day), class M (0-1/day), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 20-105

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

Geomagnetic activity forecast for the period April 15 – 21, 2022

Issued: 2022 Apr 14 2130 UTC

Quiet to unsettled: Apr 19 – 21
Unsettled to active: Apr 15 – 18

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