Issued: 2025 December 25 17:00 UTC


Analysis from December 24/1700 UTC to December 25/1700 UTC:

Sunspot Regions on the Disk 25/1142 UTC (SDO Continuum): 8
The Largest Event: C2.8 from region 4317 at 24/2013 UT
X-ray background flux (1.0-8.0 A) December 24: C1.3
Radio Flux 10.7 cm at 24/2300 UTC (Penticton): 158
Solar Wind Speed at 25/1645 UTC: 528.9 km/s, density : 1.5 p/cm^3


Forecast:

Activity level will be: low - explanation
Event probabilities: Class C: 99%, Class M: 35%, Class X: 10%, Proton: 05%
X-ray background flux (1.0-8.0 A): in the range C1.2-C1.8
Radio Flux 10.7 cm: a fluctuation in the range 145-165

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