Solar activity forecast for the period July 8 - 9, 2017


Issued: 2017 July 7 17:15 UTC


Analysis from July 06/1700 UTC to July 07/1700 UTC:

Sunspot Regions on the Disk 07/1623 UTC (SDO Continuum): 1
The Largest Event: C1.0 at 07/1349 UTC
X-ray background flux (1.0-8.0 A) July 6: A8.4
Radio Flux 10.7 cm at 06/2300 UTC (Penticton): 77
Solar Wind Speed at 07/1645 UTC: 390.2 km/s, Density: 3.7 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 45, Class M: 05, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A7.5 - B2.5
Radio Flux 10.7 cm: a fluctuation in the range 70 - 84

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