December 1 – 7, 2023

Solar activity forecast for the period December 1 – 7, 2023

Issued: 2023 Nov 30 2100 UTC

Activity level from Dec 1 to Dec 4: low to high
X-ray background flux (1.0-8.0 A): in the range B8.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 140-190 f.u.
Events: class C (2-20/day), class M (0-5/day), class X (0-1/period), proton (0/period)
Relative sunspot number (Ri): in the range 70-170

Activity level from Dec 5 to Dec 7: low to moderate
X-ray background flux (1.0-8.0 A): in the range B6.0-C2.0
Radio flux (10.7 cm): a fluctuation in the range 130-180 f.u.
Events: class C (1-15/day), class M (0-4/day), class X (0-1/period), proton (0-1/period)
Relative sunspot number (Ri): in the range 65-155

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

Geomagnetic activity forecast for the period December 1 – 7, 2023

Issued: 2023 Nov 30 2130 UTC

Quiet to unsettled: Dec 7
Unsettled to active: Dec 4 – 6
Unsettled to minor storm: Dec 3
Active to major storm: Dec 1 – 2

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