Solar activity forecast for the period June 7 - 8, 2017


Issued: 2017 June 6 17:15 UTC


Analysis from June 05/1700 UTC to June 06/1700 UTC:

Sunspot Regions on the Disk 06/1623 UTC (SDO Continuum): 1
The Largest Event: B9.4 at 05/1922 UTC
X-ray background flux (1.0-8.0 A) June 5: A9.0
Radio Flux 10.7 cm at 05/2300 UTC (Penticton): 79
Solar Wind Speed at 06/1645 UTC: 353.8 km/s, Density: 4.5 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 40, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A7.5 - B1.0
Radio Flux 10.7 cm: a fluctuation in the range 72 - 86

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