Solar activity forecast for the period April 07 - April 08, 2025

Issued: 2025 April 06 17:00 UTC


Analysis from April 05/1700 UTC to April 06/1700 UTC:

Sunspot Regions on the Disk 05/1315 UTC (SDO Continuum): 11
The Largest Event: M1.0 from Region 4048 at 05/2005 UT
X-ray background flux (1.0-8.0 A) April 05: C1.5
Radio Flux 10.7 cm at 05/2300 UTC (Penticton): -1
Solar Wind Speed at 06/1645 UTC: 634.6 km/s, Density: 0.2 p/cm^3


Forecast:

activity level will be low
Event probabilities: Class C: 99, Class M: 55, Class X: 25, Proton: 10
X-ray background flux (1.0-8.0 A): in the range C1.3-C1.7
Radio Flux 10.7 cm: a fluctuation in the range 172-196

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