Solar activity forecast for the period July 28 - 29, 2017


Issued: 2017 July 27 17:15 UTC


Analysis from July 26/1700 UTC to July 27/1700 UTC:

Sunspot Regions on the Disk 27/1629 UTC (SDO Continuum): 0
The Largest Event: Event: no X-ray event
X-ray background flux (1.0-8.0 A) July 26: A3.8
Radio Flux 10.7 cm at 26/2300 UTC (Penticton): 69
Solar Wind Speed at 27/1645 UTC: 417.7 km/s, Density: 2.5 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 01, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A3.0 - A7.5
Radio Flux 10.7 cm: a fluctuation in the range 66 - 77

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