Solar activity forecast for the period June 30 - July 1, 2017


Issued: 2017 June 29 17:15 UTC


Analysis from June 28/1700 UTC to June 29/1700 UTC:

Sunspot Regions on the Disk 29/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) June 28: A5.2
Radio Flux 10.7 cm at 28/2300 UTC (Penticton): 72
Solar Wind Speed at 29/1600 UTC: 398.7 km/s, Density: 3.5 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 10, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A4.0 - A7.5
Radio Flux 10.7 cm: a fluctuation in the range 68 - 75

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