Solar activity forecast for the period January 3 - 4, 2018


Issued: 2018 January 2 17:15 UTC
                         
                         
Analysis from January 01/1700 UTC to January 02/1700 UTC: 

Sunspot Regions on the Disk 02/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) January 1: A3.5
Radio Flux 10.7 cm at 01/2300 UTC (Penticton): 73
Solar Wind Speed at 02/1645 UTC: 418.8 km/s, Density: 6.2 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 A2.5 - A4.5
Radio Flux 10.7 cm: a fluctuation in the range 66-77

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