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


Issued: 2017 October 29 16:00 UTC


Analysis from October 28/1700 UTC to October 29/1545 UTC:

Sunspot Regions on the Disk 29/1353 UTC (SDO Continuum): 2
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) October 28: A6.0
Radio Flux 10.7 cm at 28/2300 UTC (Penticton): 77
Solar Wind Speed at 29/1540 UTC: 351.6 km/s, Density: 5.5 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 10, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A4.0 - A8.0
Radio Flux 10.7 cm: a fluctuation in the range 70-82

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