Solar activity forecast for the period May 31 - June 1, 2017


Issued: 2017 May 30 17:15 UTC


Analysis from May 29/1700 UTC to May 30/1700 UTC:

Sunspot Regions on the Disk 30/1623 UTC (SDO Continuum): 0
The Largest Event: B2.9 at 30/0407 UTC
X-ray background flux (1.0-8.0 A) May 29: B1.0
Radio Flux 10.7 cm at 29/2300 UTC (Penticton): 75
Solar Wind Speed at 30/1650 UTC: 532.7 km/s, Density: 1.0 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 15, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A8.0 - B1.5
Radio Flux 10.7 cm: a fluctuation in the range 68 - 82

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