Solar activity forecast for the period January 3 - 4, 2017


Issued: 2017 January 2 19:30 UTC


Analysis from January 01/1700 UTC to January 02/1915 UTC:

Sunspot Regions on the Disk 02/1853 UTC (SDO Continuum): 2
The Largest Event: no X-ray events
X-ray background flux (1.0-8.0 A) January 1: A5.7
Radio Flux 10.7 cm at 02/1700 UTC (Penticton): 72
Solar Wind Speed at 02/1900 UTC: 366.2 km/s, Density: 7.1 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 A5.0 - A8.0
Radio Flux 10.7 cm: a fluctuation in the range 67 - 77

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