April 7 – 13, 2023

Solar activity forecast for the period April 7 – 13, 2023

Issued: 2023 Apr 6 2100 UTC

Activity level from Apr 7 to Apr 10: low to moderate
X-ray background flux (1.0-8.0 A): in the range B5.0-C2.0
Radio flux (10.7 cm): a fluctuation in the range 125-185 f.u.
Events: class C (1-15/day), class M (0-4/day), class X (0-1/period), proton (0/period)
Relative sunspot number (Ri): in the range 40-160

Activity level from Apr 11 to Apr 13: low to moderate
X-ray background flux (1.0-8.0 A): in the range B5.0-C2.0
Radio flux (10.7 cm): a fluctuation in the range 125-185 f.u.
Events: class C (1-15/day), class M (0-4/day), class X (0-1/period), proton (0/period)
Relative sunspot number (Ri): in the range 40-160

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

Geomagnetic activity forecast for the period April 7 – 13, 2023

Issued: 2023 Apr 6 2130 UTC

Quiet to unsettled: Apr 7 – 10
Quiet to active: Apr 11 – 13

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