Solar activity forecast for the period August 31 - September 1, 2017


Issued: 2017 August 30 17:15 UTC


Analysis from August 29/1700 UTC to August 30/1700 UTC:

Sunspot Regions on the Disk 30/1629 UTC (SDO Continuum): 3
The Largest Event: C1.3 from Region 2674 at 29/2218 UTC
                   C1.3 from Region 2674 at 30/0835 UTC
X-ray background flux (1.0-8.0 A) August 29: B2.2
Radio Flux 10.7 cm at 29/2300 UTC (Penticton): 85
Solar Wind Speed at 30/1645 UTC: 353.7 km/s, Density: 4.8 p/cm^3


Forecast:
 
activity level will be low to moderate 
Event probabilities: Class C: 65, Class M: 10, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range B1.5 - B6.5
Radio Flux 10.7 cm: a fluctuation in the range 78 - 94

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