Solar activity forecast for the period January 23 - 24, 2018


Issued: 2018 January 22 17:20 UTC
                         
                         
Analysis from January 21/1700 UTC to January 22/1715 UTC: 

Sunspot Regions on the Disk 22/2252 UTC (SDO Continuum): 0
The Largest Event: B9.5 from Region 2696 at 22/0257 UTC
X-ray background flux (1.0-8.0 A) January 21: A2.9
Radio Flux 10.7 cm at 21/2300 UTC (Penticton): 69
Solar Wind Speed at 22/1645 UTC: 481.4 km/s, Density: 0.4 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 A2.0 - A3.5
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