Solar activity forecast for the period June 8 - 9, 2017


Issued: 2017 June 7 17:15 UTC


Analysis from June 06/1700 UTC to June 07/1700 UTC:

Sunspot Regions on the Disk 07/1623 UTC (SDO Continuum): 1
The Largest Event: C1.3 from Region 2661 at 07/0333 UTC
X-ray background flux (1.0-8.0 A) June 6: A9.2
Radio Flux 10.7 cm at 06/2300 UTC (Penticton): 76
Solar Wind Speed at 07/1645 UTC: 313.1 km/s, Density: 4.3 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 25, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A6.0 - B1.0
Radio Flux 10.7 cm: a fluctuation in the range 69 - 83

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