Issued: 2025 May 04 17:00 UTC


Analysis from May 03/1700 UTC to May 04/1700 UTC:

Sunspot Regions on the Disk 04/0730 UTC (SDO Continuum): 5
The Largest Event: C5.4 from region S11E71 at 04/1231 UT
X-ray background flux (1.0-8.0 A) May 03: B7.8
Radio Flux 10.7 cm at 03/2300 UTC (Penticton): 150
Solar Wind Speed at 04/1645 UTC: 635.9 km/s, density : 2.5 p/cm^3


Forecast:

Activity level will be: low - explanation
Event probabilities: Class C: 99%, Class M: 45%, Class X: 20%, Proton: 10%
X-ray background flux (1.0-8.0 A): in the range B7.0-B8.0
Radio Flux 10.7 cm: a fluctuation in the range 138-162

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