Issued: 2026 August 25 17:00 UTC


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

Sunspot Regions on the Disk 25/1345 UTC (SDO Continuum): 6
The Largest Event: M6.9 from region 4513 at 25/1002 UT
X-ray background flux (1.0-8.0 A) August 24: C1.2
Radio Flux 10.7 cm at 24/2300 UTC (Penticton): 138
Solar Wind Speed at 25/1645 UTC: 356.7 km/s, density : 1.0 p/cm^3


Forecast:

Activity level will be: moderate - explanation
Event probabilities: Class C: 99%, Class M: 55%, Class X: 15%, Proton: 35%
X-ray background flux (1.0-8.0 A): in the range B8.5-C1.5
Radio Flux 10.7 cm: a fluctuation in the range 126-150

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