Issued: 2025 February 27 17:00 UTC


Analysis from February 26/1700 UTC to February 27/1700 UTC:

Sunspot Regions on the Disk 27/1523 UTC (SDO Continuum): 14
The Largest Event: C7.5 from region 3996 at 27/1236 UT
X-ray background flux (1.0-8.0 A) February 26: C2.0
Radio Flux 10.7 cm at 26/2300 UTC (Penticton): 177
Solar Wind Speed at 27/1645 UTC: 542.9 km/s, density : 3.0 p/cm^3


Forecast:

Activity level will be: low to moderate - explanation
Event probabilities: Class C: 99%, Class M: 55%, Class X: 20%, Proton: 30%
X-ray background flux (1.0-8.0 A): in the range C1.5-C2.5
Radio Flux 10.7 cm: a fluctuation in the range 170-190

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