Solar activity forecast for the period March 11 - March 12, 2025

Issued: 2025 March 10 17:00 UTC


Analysis from March 09/1700 UTC to March 10/1700 UTC:

Sunspot Regions on the Disk 10/1430 UTC (SDO Continuum): 9
The Largest Event: C2.6 from Region S10E88 at 09/1854 UT
X-ray background flux (1.0-8.0 A) March 09: B8.6
Radio Flux 10.7 cm at 09/2300 UTC (Penticton): 144
Solar Wind Speed at 10/1645 UTC: 530.6 km/s, Density: 3 p/cm^3


Forecast:

activity level will be low
Event probabilities: Class C: 70, Class M: 35, Class X: 10, Proton: 05
X-ray background flux (1.0-8.0 A): in the range B8.0-C1.2
Radio Flux 10.7 cm: a fluctuation in the range 132-156

Karolina Knesplova
RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz