Solar activity forecast for the period October 18 - October 19, 2018

Issued: 2018 October 17 17:15 UTC


Analysis from October 16/1600 UTC to October 17/1700 UTC:

Sunspot Regions on the Disk 17/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) October 16: A0.0
Radio Flux 10.7 cm at 16/2300 UTC (Penticton): 70
Solar Wind Speed at 17/1645 UTC: 422.2 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 69-71

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