Týždenná predpoveď
slnečnej aktivity

Solar activity forecast for the period June 15 – June 21, 2018
Issued: 2018 June 14 2115 UTC

Activity level from June 15 to June 18: mostly very low
X-ray background flux (1.0-8.0 A): in the range A0.0-A8.0
Radio flux (10.7 cm): a fluctuation in the range 65-80 f.u.
Events: class C (0-1/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-35

Activity level from June 19 to June 21: mostly very low
X-ray background flux (1.0-8.0 A): in the range A0.0-A9.0
Radio flux (10.7 cm): a fluctuation in the range 65-80 f.u.
Events: class C (0-1/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-35

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

Geomagnetic activity forecast for the period June 15 – June 21, 2018
Issued: 2018 June 14 2145 UTC

Quiet: June 15 – 18, 20 – 21
Quiet to unsettled: June 19

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