Solar activity forecast for the period June 26 - 27, 2017


Issued: 2017 June 25 17:15 UTC


Analysis from June 24/1700 UTC to June 25/1700 UTC:

Sunspot Regions on the Disk 25/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) June 24: A4.5
Radio Flux 10.7 cm at 24/2300 UTC (Penticton): 74
Solar Wind Speed at 25/1645 UTC: 472.0 km/s, Density: 5.0 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 A4.0 - A6.5
Radio Flux 10.7 cm: a fluctuation in the range 67 - 81

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