Solar activity forecast for the period October 19 - October 20, 2018

Issued: 2018 October 18 17:15 UTC


Analysis from October 17/1700 UTC to October 18/1700 UTC:

Sunspot Regions on the Disk 18/1641 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) October 17: A0.0
Radio Flux 10.7 cm at 17/2300 UTC (Penticton): 70
Solar Wind Speed at 18/1645 UTC: 336.2 km/s, Density: 1.3 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 A0.0 - A1.2
Radio Flux 10.7 cm: a fluctuation in the range 69-70

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