Solar activity forecast for the period January 12 - 13, 2018


Issued: 2018 January 11 17:15 UTC
                         
                         
Analysis from January 10/1700 UTC to January 11/1700 UTC: 

Sunspot Regions on the Disk 11/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) January 10: A3.2
Radio Flux 10.7 cm at 10/2300 UTC (Penticton): 71
Solar Wind Speed at 11/1645 UTC: 371.0 km/s, Density: 2.9 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 66-76

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