Solar activity forecast for the period July 24 - 25, 2017


Issued: 2017 July 23 17:15 UTC


Analysis from July 22/1700 UTC to July 23/1700 UTC:

Sunspot Regions on the Disk 23/1629 UTC (SDO Continuum): 0
The Largest Event: B1.5 at 23/0737 UTC
X-ray background flux (1.0-8.0 A) July 22: A4.2
Radio Flux 10.7 cm at 22/2300 UTC (Penticton): 70
Solar Wind Speed at 23/1645 UTC: 590.8 km/s, Density: 1.3 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 20, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A3.0 - A8.0
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