Solar activity forecast for the period February 10 - 11 2018


Issued: 2018 February 9 17:15 UTC
                         
                         
Analysis from February 08/1700 UTC to February 09/1700 UTC: 

Sunspot Regions on the Disk 09/1623 UTC (SDO Continuum): 1
The Largest Event: B6.3 from Region 2699 at 08/2034 UTC
X-ray background flux (1.0-8.0 A) February 8: A6.1
Radio Flux 10.7 cm at 08/2300 UTC (Penticton): 78
Solar Wind Speed at 09/1645 UTC: 336.4 km/s, Density: 5.1 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C 40: , Class M: 15, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A4.5 - B1.5
Radio Flux 10.7 cm: a fluctuation in the range 72-82

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