Solar activity forecast for the period July 15 - 16, 2017


Issued: 2017 July 14 17:15 UTC


Analysis from July 13/1700 UTC to July 14/1700 UTC:

Sunspot Regions on the Disk 14/1623 UTC (SDO Continuum): 4
The Largest Event: M2.4 from Region 2665 at 14/0209 UTC
X-ray background flux (1.0-8.0 A) July 13: B1.4
Radio Flux 10.7 cm at 13/2300 UTC (Penticton): 91
Solar Wind Speed at 14/1645 UTC: 366.7 km/s, Density: 3.7 p/cm^3


Forecast:
 
activity level will be low to moderate
Event probabilities: Class C: 70, Class M: 15, Class X: 01, Proton: 30
X-ray background flux (1.0-8.0 A): in the range B1.0 - B4.5
Radio Flux 10.7 cm: a fluctuation in the range 85 - 98

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