April 19 – 25, 2024

Solar activity forecast for the period April 19 – 25, 2024

Issued: 2024 Apr 18 2100 UTC

Activity level from Apr 19 to Apr 22: low to high
X-ray background flux (1.0-8.0 A): in the range B9.0-C5.0
Radio flux (10.7 cm): a fluctuation in the range 190-240 f.u.
Events: class C (2-22/day), class M (0-10/day), class X (0-1/day), proton (0/period)
Relative sunspot number (Ri): in the range 110-240

Activity level from Apr 23 to Apr 25: low to high
X-ray background flux (1.0-8.0 A): in the range B8.0-C4.0
Radio flux (10.7 cm): a fluctuation in the range 175-225 f.u.
Events: class C (2-22/day), class M (0-10/day), class X (0-1/day), proton (0-1/period)
Relative sunspot number (Ri): in the range 95-215

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

Geomagnetic activity forecast for the period April 19 – 25, 2024

Issued: 2024 Apr 18 2130 UTC

Quiet to active: Apr 19 – 25

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