Solar activity forecast for the period February 1 - 2 2018


Issued: 2018 January 31 17:15 UTC
                         
                         
Analysis from January 30/1700 UTC to January 31/1700 UTC: 

Sunspot Regions on the Disk 31/1623 UTC (SDO Continuum): 1
The Largest Event: B1.3 from Region 2697 at 30/1739 UTC
X-ray background flux (1.0-8.0 A) January 30: A2.1
Radio Flux 10.7 cm at 30/2300 UTC (Penticton): 70
Solar Wind Speed at 31/1645 UTC: 382.2 km/s, Density: 1.3 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 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