Solar activity forecast for the period August 30 - 31, 2017


Issued: 2017 August 29 17:15 UTC


Analysis from August 28/1700 UTC to August 29/1700 UTC:

Sunspot Regions on the Disk 29/1623 UTC (SDO Continuum): 3
The Largest Event: C2.8 from Region 2674 at 29/0300 UTC
X-ray background flux (1.0-8.0 A) August 28: B2.0
Radio Flux 10.7 cm at 28/2300 UTC (Penticton): 83
Solar Wind Speed at 29/1650 UTC: 348.1 km/s, Density: 16.4 p/cm^3


Forecast:
 
activity level will be low 
Event probabilities: Class C: 70, Class M: 20, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range B1.5 - B5.5
Radio Flux 10.7 cm: a fluctuation in the range 75 - 92

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