Solar activity forecast for the period June 9 - 10, 2017


Issued: 2017 June 8 17:15 UTC


Analysis from June 07/1700 UTC to June 08/1700 UTC:

Sunspot Regions on the Disk 08/1623 UTC (SDO Continuum): 1
The Largest Event: B2.9 from Region 2661 at 08/0350 UTC
X-ray background flux (1.0-8.0 A) June 7: A8.1
Radio Flux 10.7 cm at 07/2300 UTC (Penticton): 75
Solar Wind Speed at 07/1645 UTC: 299.9 km/s, Density: 2.7 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 5, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.5 - A9.0
Radio Flux 10.7 cm: a fluctuation in the range 68 - 82

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