October 13 – 19, 2023

Solar activity forecast for the period October 13 – 19, 2023

Issued: 2023 Oct 12 2100 UTC

Activity level from Oct 13 to Oct 16: low to high
X-ray background flux (1.0-8.0 A): in the range B7.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 135-190 f.u.
Events: class C (2-20/day), class M (0-5/day), class X (0-1/period), proton (0-1/period)
Relative sunspot number (Ri): in the range 70-175

Activity level from Oct 17 to Oct 19: low to high
X-ray background flux (1.0-8.0 A): in the range B7.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 135-190 f.u.
Events: class C (2-20/day), class M (0-5/day), class X (0-1/period), proton (0-1/period)
Relative sunspot number (Ri): in the range 70-175

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

Geomagnetic activity forecast for the period October 13 – 19, 2023

Issued: 2023 Oct 12 2130 UTC

Quiet to unsettled: Oct 13 – 15
Quiet to active: Oct 16 – 19

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