Solar activity forecast for the period August 25 - 26, 2017


Issued: 2017 August 24 17:15 UTC


Analysis from August 23/1700 UTC to August 24/1700 UTC:

Sunspot Regions on the Disk 24/1623 UTC (SDO Continuum): 2
The Largest Event: C3.0 from Region 2671 at 24/0037 UTC
X-ray background flux (1.0-8.0 A) August 23: B1.1
Radio Flux 10.7 cm at 23/2300 UTC (Penticton): 85
Solar Wind Speed at 24/1645 UTC: 393.8 km/s, Density: 3.7 p/cm^3


Forecast:
 
activity level will be low 
Event probabilities: Class C: 70, Class M: 15, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A9.0 - B4.5
Radio Flux 10.7 cm: a fluctuation in the range 78 - 90

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