Týždenná predpoveď
slnečnej aktivity

Solar activity forecast for the period February 15 – February 21, 2019
Issued: 2019 Feb 14 2115 UTC

Activity level from Feb 15 to Feb 18: very low
X-ray background flux (1.0-8.0 A): in the range A0.0-A6.0
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 Feb 19 to Feb 21: 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 0-30

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

Geomagnetic activity forecast for the period February 15 – February 21, 2019
Issued: 2019 Feb 14 2145 UTC

Quiet: Feb 16 – 17
Quiet to unsettled: Feb 15, 18
Quiet to active: Feb 19 – 21

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