Solar activity forecast for the period January 30 - 31, 2018


Issued: 2018 January 29 17:15 UTC
                         
                         
Analysis from January 28/1700 UTC to January 29/1700 UTC: 

Sunspot Regions on the Disk 29/1623 UTC (SDO Continuum): 0
The Largest Event: A3.6 at 28/1842 UTC
X-ray background flux (1.0-8.0 A) January 28: A2.1
Radio Flux 10.7 cm at 28/2300 UTC (Penticton): 68
Solar Wind Speed at 29/1645 UTC: 327.4 km/s, Density: 1.9 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 A1.5 - 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