Issued: 2026 March 11 17:00 UTC


Analysis from March 10/1700 UTC to March 11/1700 UTC:

Sunspot Regions on the Disk 11/1048 UTC (SDO Continuum): 10
The Largest Event: C4.7 from region 4381 at 10/1845 UT
X-ray background flux (1.0-8.0 A) March 10: B7.8
Radio Flux 10.7 cm at 10/2300 UTC (Penticton): 124
Solar Wind Speed at 11/1645 UTC: 417.1 km/s, density : 0.1 p/cm^3


Forecast:

Activity level will be: very low to low - explanation
Event probabilities: Class C: 85%, Class M: 35%, Class X: 05%, Proton: 01%
X-ray background flux (1.0-8.0 A): in the range B5.0-B9.0
Radio Flux 10.7 cm: a fluctuation in the range 112-136

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