Solar activity forecast for the period June 16 - 17, 2017


Issued: 2017 June 15 17:15 UTC


Analysis from June 14/1700 UTC to June 15/1700 UTC:

Sunspot Regions on the Disk 15/1623 UTC (SDO Continuum): 2
The Largest Event: B2.1 at 15/0906 UTC
X-ray background flux (1.0-8.0 A) June 14: A6.3
Radio Flux 10.7 cm at 14/2300 UTC (Penticton): 76
Solar Wind Speed at 15/1645 UTC: 394.1 km/s, Density: 3.9 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 15, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.0 - A8.5
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