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


Issued: 2017 July 9 17:15 UTC


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

Sunspot Regions on the Disk 09/1623 UTC (SDO Continuum): 2
The Largest Event: M1.3 at 09/0318 UTC
X-ray background flux (1.0-8.0 A) July 8: B1.7
Radio Flux 10.7 cm at 08/2300 UTC (Penticton): 88
Solar Wind Speed at 09/1646 UTC: 506.0 km/s, Density: 5.2 p/cm^3


Forecast:
 
activity level will be low to moderate
Event probabilities: Class C: 70, Class M: 20, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A9.0 - B2.5
Radio Flux 10.7 cm: a fluctuation in the range 80 - 95

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