Issued: 2026 March 04 17:00 UTC
Analysis from March 03/1700 UTC to March 04/1700 UTC:
Sunspot Regions on the Disk 04/1145 UTC (SDO Continuum): 5
The Largest Event: C4.1 from region 4384 at 04/0301 UT
X-ray background flux (1.0-8.0 A) March 03: B6.3
Radio Flux 10.7 cm at 03/2300 UTC (Penticton): 142
Solar Wind Speed at 04/1645 UTC: 426.2 km/s, density : 1.6 p/cm^3
Forecast:
Activity level will be: low -
explanation Event probabilities: Class C: 99%, Class M: 40%, Class X: 15%, Proton: 05%
X-ray background flux (1.0-8.0 A): in the range B4.5-B5.5
Radio Flux 10.7 cm: a fluctuation in the range 130-154
Karolína Knesplová
RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz