Solar activity forecast for the period June 29 - 30, 2017


Issued: 2017 June 28 17:15 UTC


Analysis from June 27/1700 UTC to June 28/1700 UTC:

Sunspot Regions on the Disk 28/1623 UTC (SDO Continuum): 1
The Largest Event: B2.6 at 27/2115 UTC
X-ray background flux (1.0-8.0 A) June 27: A5.3
Radio Flux 10.7 cm at 27/2300 UTC (Penticton): 74
Solar Wind Speed at 28/1645 UTC: 413.8 km/s, Density: 4.1 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 A5.0 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 69 - 79

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