Solar activity forecast for the period July 1 - 2, 2017


Issued: 2017 June 30 17:15 UTC


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

Sunspot Regions on the Disk 30/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray event
X-ray background flux (1.0-8.0 A) June 29: A4.3
Radio Flux 10.7 cm at 29/2300 UTC (Penticton): 72
Solar Wind Speed at 30/1645 UTC: 353.1 km/s, Density: 7.0 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 A3.5 - A7.0
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