Solar activity forecast for the period October 16 - 17, 2017


Issued: 2017 October 15 17:05 UTC


Analysis from October 14/1700 UTC to October 15/1700 UTC:

Sunspot Regions on the Disk 15/1629 UTC (SDO Continuum): 0
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) October 14: A1.8 (inaccurate data)
Radio Flux 10.7 cm at 14/2300 UTC (Penticton): 68
Solar Wind Speed at 15/1645 UTC: 558.6 km/s, Density: 1.6 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 A2.5 - A6.0
Radio Flux 10.7 cm: a fluctuation in the range 65-74

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