Solar activity forecast for the period October 15 - 16, 2017


Issued: 2017 October 14 17:15 UTC


Analysis from October 13/1700 UTC to October 14/1700 UTC:

Sunspot Regions on the Disk 14/1629 UTC (SDO Continuum): 0
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) October 13: A0.0 (inaccurate data)
Radio Flux 10.7 cm at 13/2300 UTC (Penticton): 69
Solar Wind Speed at 14/1645 UTC: 637.1 km/s, Density: 2.4 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 01, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A3.0 - A6.0
Radio Flux 10.7 cm: a fluctuation in the range 66-74

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