February 14 – 20, 2025

Solar activity forecast for the period February 14 – 20, 2025

Issued: 2025 Feb 13 2100 UTC

Activity level from Feb 14 to Feb 17: low to high
X-ray background flux (1.0-8.0 A): in the range C1.0-M2.0
Radio flux (10.7 cm): a fluctuation in the range 160-250 f.u.
Events: class C: 1-25/day, class M: 0-15/day, class X: 0-1/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 65-250

Activity level from Feb 18 to Feb 20: low to high
X-ray background flux (1.0-8.0 A): in the range C1.0-M2.0
Radio flux (10.7 cm): a fluctuation in the range 160-250 f.u.
Events: class C: 1-25/day, class M: 0-15/day, class X: 0-1/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 65-250

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

Geomagnetic activity forecast for the period February 14 – 20, 2025

Issued: 2025 Feb 13 2130 UTC

Quiet to active: Feb 16 – 20
Unsettled to minor storm: Feb 14 – 15

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