Týždenná predpoveď slnečnej
a geomagnetickej aktivity

Solar activity forecast for the period May 20 – 26, 2022

Issued: 2022 May 19 2100 UTC

Activity level from May 20 to May 23: low to moderate
X-ray background flux (1.0-8.0 A): in the range B4.0-C4.0
Radio flux (10.7 cm): a fluctuation in the range 140-190 f.u.
Events: class C (1-20/day), class M (0-7/day), class X (0-1/day), proton (0-1/period)
Relative sunspot number (Ri): in the range 60-160

Activity level from May 24 to May 26: low to moderate
X-ray background flux (1.0-8.0 A): in the range B3.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 135-185 f.u.
Events: class C (1-20/day), class M (0-7/day), class X (0-1/day), proton (0-1/period)
Relative sunspot number (Ri): in the range 55-155

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

Geomagnetic activity forecast for the period May 20 – 26, 2022

Issued: 2022 May 19 2130 UTC

Quiet to unsettled: May 20 – 23
Quiet to active: May 24 – 26

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