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


Issued: 2017 January 1 17:15 UTC


Analysis from December 31/1700 UTC to January 01/1700 UTC:

Sunspot Regions on the Disk 01/1623 UTC (SDO Continuum): 1
The Largest Event: no X-ray events
X-ray background flux (1.0-8.0 A) December 31: A6.4
Radio Flux 10.7 cm at 31/2300 UTC (Penticton): 74
Solar Wind Speed at 01/1645 UTC: 482.6 km/s, Density: 4.4 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 A5.5 - A8.5
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