Solar activity forecast for the period January 2 - 3, 2018


Issued: 2018 January 1 17:15 UTC
                         
                         
Analysis from December 31/1700 UTC to January 01/1700 UTC: 

Sunspot Regions on the Disk 01/1623 UTC (SDO Continuum): 0
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) December 31: A3.8
Radio Flux 10.7 cm at 31/2300 UTC (Penticton): 70
Solar Wind Speed at 01/1645 UTC: 465.2 km/s, Density: 3.1 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 01, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A3.0 - A4.5
Radio Flux 10.7 cm: a fluctuation in the range 66-75

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