Týždenná predpoveď slnečnej
a geomagnetickej aktivity

Solar activity forecast for the period November 26 – December 2, 2021

Issued: 2021 Nov 25 2100 UTC

Activity level from Nov 26 to Nov 29: very low to low
X-ray background flux (1.0-8.0 A): in the range A3.0-B2.0
Radio flux (10.7 cm): a fluctuation in the range 85-105 f.u.
Events: class C (0-10/day), class M (0-1/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 11-75

Activity level from Nov 30 to Dec 2: very low to low
X-ray background flux (1.0-8.0 A): in the range A3.0-B2.0
Radio flux (10.7 cm): a fluctuation in the range 85-105 f.u.
Events: class C (0-10/day), class M (0-1/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 11-75

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

Geomagnetic activity forecast for the period November 26 – December 2, 2021

Issued: 2021 Nov 25 2130 UTC

Quiet to unsettled: Dec 1 – 2
Quiet to active: Nov 26 – 30

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