Solar activity forecast for the period June 2 - 3, 2017


Issued: 2017 June 1 17:15 UTC


Analysis from May 31/1700 UTC to June 01/1700 UTC:

Sunspot Regions on the Disk 01/1623 UTC (SDO Continuum): 2
The Largest Event: C2.0 from Region 2661 at 31/2315 UTC
		   C6.6 from Region 2661 at 01/0143 UTC
X-ray background flux (1.0-8.0 A) May 31: B1.2
Radio Flux 10.7 cm at 31/2300 UTC (Penticton): 75
Solar Wind Speed at 01/1645 UTC: 373.9 km/s, Density: 31.0 p/cm^3


Forecast:
 
activity level will be low
Event probabilities: Class C: 50, Class M: 10, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range B1.5 - B4.0
Radio Flux 10.7 cm: a fluctuation in the range 68 - 82

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