Týždenná predpoveď
slnečnej aktivity

Solar activity forecast for the period June 21 – June 27, 2019
Issued: 2019 Jun 20 2200 UTC

Activity level from Jun 21 to Jun 24: very low
X-ray background flux (1.0-8.0 A): in the range A1.0-A9.0
Radio flux (10.7 cm): a fluctuation in the range 65-75 f.u.
Events: class C (0/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-25

Activity level from Jun 25 to Jun 27: very low
X-ray background flux (1.0-8.0 A): in the range A1.0-A9.0
Radio flux (10.7 cm): a fluctuation in the range 65-75 f.u.
Events: class C (0/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-25

Jozef Lesko
Roztoky Observatory, Slovak Republic
e-mail: safor (at) protonmail.ch

Geomagnetic activity forecast for the period June 21 – June 27, 2019

Issued: 2019 Jun 20 2230 UTC

Quiet to unsettled: Jun 21 – 23, 27
Quiet to active: Jun 24 – 26

Jozef Lesko
Roztoky Observatory, Slovak Republic
e-mail: safor (at) protonmail.ch