Solar activity forecast for the period November 1 - 2, 2017


Issued: 2017 October 31 17:15 UTC


Analysis from October 30/1700 UTC to October 31/1700 UTC:

Sunspot Regions on the Disk 31/1641 UTC (SDO Continuum): 2
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) October 30: A5.7
Radio Flux 10.7 cm at 30/2300 UTC (Penticton): 75
Solar Wind Speed at 31/1645 UTC: 284.9 km/s, Density: 5.7 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 05, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A4.0 - A7.5
Radio Flux 10.7 cm: a fluctuation in the range 70-80

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