Solar activity forecast for the period February 8 - 9 2018


Issued: 2018 February 7 17:15 UTC
                         
                         
Analysis from February 06/1700 UTC to February 07/1700 UTC: 

Sunspot Regions on the Disk 07/1623 UTC (SDO Continuum): 1
The Largest Event: C8.1 from Region 2699 at 07/1347 UTC
X-ray background flux (1.0-8.0 A) February 6: A6.6
Radio Flux 10.7 cm at 06/2300 UTC (Penticton): 75
Solar Wind Speed at 07/1645 UTC: 424.5 km/s, Density: 0.1 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 35, Class M: 10, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A6.0 - B1.5
Radio Flux 10.7 cm: a fluctuation in the range 70-82

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