Solar activity forecast for the period July 9 - 10, 2017


Issued: 2017 July 8 17:15 UTC


Analysis from July 07/1700 UTC to July 08/1700 UTC:

Sunspot Regions on the Disk 08/1629 UTC (SDO Continuum): 1
The Largest Event: B6.8 at 08/0623 UTC
X-ray background flux (1.0-8.0 A) July 7: B1.4
Radio Flux 10.7 cm at 07/2300 UTC (Penticton): 81
Solar Wind Speed at 08/1647 UTC: 333.5 km/s, Density: 5.1 p/cm^3


Forecast:
 
activity level will be low
Event probabilities: Class C: 50, Class M: 10, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A8.5 - B2.5
Radio Flux 10.7 cm: a fluctuation in the range 73 - 87

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