Solar activity forecast for the period June 6 - 7, 2017


Issued: 2017 June 5 17:15 UTC


Analysis from June 04/1700 UTC to June 05/1700 UTC:

Sunspot Regions on the Disk 05/1623 UTC (SDO Continuum): 2
The Largest Event: C2.7 from Region 2661 at 05/0531 UTC
X-ray background flux (1.0-8.0 A) June 4: A7.3
Radio Flux 10.7 cm at 04/2300 UTC (Penticton): 78
Solar Wind Speed at 05/1645 UTC: 372.4 km/s, Density: 8.2 p/cm^3


Forecast:
 
activity level will be low
Event probabilities: Class C: 40, Class M: 05, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A6.5 - B1.5
Radio Flux 10.7 cm: a fluctuation in the range 71 - 85

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