Issued: 2025 July 15 17:00 UTC


Analysis from July 14/1700 UTC to July 15/1700 UTC:

Sunspot Regions on the Disk 15/1641 UTC (SDO Continuum): 13
The Largest Event: C4.6 from region 4141 at 14/1706 UT
X-ray background flux (1.0-8.0 A) July 14: C1.0
Radio Flux 10.7 cm at 14/2300 UTC (Penticton): 128
Solar Wind Speed at 15/1645 UTC: 598.1 km/s, density : 1.2 p/cm^3


Forecast:

Activity level will be: low - explanation
Event probabilities: Class C: 90%, Class M: 35%, Class X: 05%, Proton: 05%
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 115-140

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