Solar activity forecast for the period January 11 - 12, 2018


Issued: 2018 January 10 17:15 UTC
                         
                         
Analysis from January 09/1700 UTC to January 10/1700 UTC: 

Sunspot Regions on the Disk 10/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) January 9: A3.0
Radio Flux 10.7 cm at 09/2300 UTC (Penticton): 70
Solar Wind Speed at 10/1645 UTC: 419.3 km/s, Density: 2.2 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 A2.0 - A4.0
Radio Flux 10.7 cm: a fluctuation in the range 66-74

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