Solar activity forecast for the period August 6 - 7, 2017


Issued: 2017 August 5 17:15 UTC


Analysis from August 04/1700 UTC to August 05/1700 UTC:

Sunspot Regions on the Disk 05/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) August 4: A5.2
Radio Flux 10.7 cm at 04/2300 UTC (Penticton): 74
Solar Wind Speed at 05/1645 UTC: 655.9 km/s, Density: 1.8 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 15, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A4.5 - A9.0
Radio Flux 10.7 cm: a fluctuation in the range 68 - 79

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