Solar activity forecast for the period June 10 - 11, 2017


Issued: 2017 June 9 17:15 UTC


Analysis from June 08/1700 UTC to June 09/1700 UTC:

Sunspot Regions on the Disk 09/1623 UTC (SDO Continuum): 0
The Largest Event: B4.1 at 09/1253 UTC
X-ray background flux (1.0-8.0 A) June 8: A6.0
Radio Flux 10.7 cm at 08/2300 UTC (Penticton): 73
Solar Wind Speed at 09/1645 UTC: 307.9 km/s, Density: 6.3 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 05, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A5.0 - A7.0
Radio Flux 10.7 cm: a fluctuation in the range 66 - 80

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