Solar activity forecast for the period October 24 - 25, 2017


Issued: 2017 October 23 17:15 UTC


Analysis from October 22/1700 UTC to October 23/1700 UTC:

Sunspot Regions on the Disk 23/1623 UTC (SDO Continuum): 2
The Largest Event: no  X-ray event
X-ray background flux (1.0-8.0 A) October 22: A7.4
Radio Flux 10.7 cm at 22/2300 UTC (Penticton): 77
Solar Wind Speed at 23/1645 UTC: 368.7 km/s, Density: 9.0 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 30, Class M: 05, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.0 - A9.0
Radio Flux 10.7 cm: a fluctuation in the range 72-84

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