Solar activity forecast for the period February 9 - 10 2018


Issued: 2018 February 8 17:15 UTC
                         
                         
Analysis from February 07/1700 UTC to February 08/1700 UTC: 

Sunspot Regions on the Disk 08/1623 UTC (SDO Continuum): 1
The Largest Event: B5.2 from Region 2699 at 08/1530 UTC
X-ray background flux (1.0-8.0 A) February 7: A6.1
Radio Flux 10.7 cm at 07/2300 UTC (Penticton): 77
Solar Wind Speed at 08/1645 UTC: 372.4 km/s, Density: 4.4 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 A5.0 - B1.5
Radio Flux 10.7 cm: a fluctuation in the range 72-84

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