Issued: 2025 June 28 17:00 UTC


Analysis from June 27/1700 UTC to June 28/1700 UTC:

Sunspot Regions on the Disk 28/0556 UTC (SDO Continuum): 10
The Largest Event: C1.1 from region N06W13 at 28/0410 UT
X-ray background flux (1.0-8.0 A) June 27: B5.0
Radio Flux 10.7 cm at 27/2300 UTC (Penticton): 119
Solar Wind Speed at 28/1645 UTC: 575.4 km/s, density : 1.9 p/cm^3


Forecast:

Activity level will be: low - explanation
Event probabilities: Class C: 75%, Class M: 35%, Class X: 05%, Proton: 05%
X-ray background flux (1.0-8.0 A): in the range B4.0-B7.0
Radio Flux 10.7 cm: a fluctuation in the range 110-130

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