July 28 – August 3, 2023

Solar activity forecast for the period July 28 – August 3, 2023

Issued: 2023 Jul 27 2100 UTC

Activity level from Jul 28 to Jul 31: 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 140-200 f.u.
Events: class C (2-20/day), class M (0-6/day), class X (0-1/period), proton (0/period)
Relative sunspot number (Ri): in the range 70-185

Activity level from Aug 1 to Aug 3: 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 140-200 f.u.
Events: class C (2-20/day), class M (0-6/day), class X (0-1/period), proton (0/period)
Relative sunspot number (Ri): in the range 70-185

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

Geomagnetic activity forecast for the period July 28 – August 3, 2023

Issued: 2023 Jul 27 2130 UTC

Quiet to unsettled: Jul 28 – 31
Quiet to active: Aug 1 – 3

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