Solar activity forecast for the period July 14 - 15, 2017


Issued: 2017 July 13 17:15 UTC


Analysis from July 12/1700 UTC to July 13/1700 UTC:

Sunspot Regions on the Disk 13/1623 UTC (SDO Continuum): 3
The Largest Event: B5.5 at 13/0512 UTC
X-ray background flux (1.0-8.0 A) July 12: B1.6
Radio Flux 10.7 cm at 12/2300 UTC (Penticton): 91
Solar Wind Speed at 13/1645 UTC: 388.8 km/s, Density: 2.1 p/cm^3


Forecast:
 
activity level will be low to moderate
Event probabilities: Class C: 60, Class M: 10, 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 85 - 98

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