Solar activity forecast for the period January 28 - 29, 2018


Issued: 2018 January 27 18:15 UTC
                         
                         
Analysis from January 26/1700 UTC to January 27/1800 UTC: 

Sunspot Regions on the Disk 27/1723 UTC (SDO Continuum): 0
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) January 26: A2.4
Radio Flux 10.7 cm at 26/2300 UTC (Penticton): 70
Solar Wind Speed at 27/1745 UTC: 400.6 km/s, Density: 1.4 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 - A3.0
Radio Flux 10.7 cm: a fluctuation in the range 67-75

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