Solar activity forecast for the period July 3 - 4, 2017


Issued: 2017 July 2 17:00 UTC


Analysis from July 01/1700 UTC to July 02/1700 UTC:

Sunspot Regions on the Disk 02/1629 UTC (SDO Continuum): 2
The Largest Event: B3.1 at 02/1239 UTC
X-ray background flux (1.0-8.0 A) July 1: A3.4
Radio Flux 10.7 cm at 01/2300 UTC (Penticton): 71
Solar Wind Speed at 02/1645 UTC: 485.6 km/s, Density: 1.2 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 05, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A3.0 - A6.5
Radio Flux 10.7 cm: a fluctuation in the range 67 - 75

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