Solar activity forecast for the period January 16 - 17, 2017


Issued: 2017 January 15 19:00 UTC


Analysis from January 14/1700 UTC to January 15/1845 UTC:

Sunspot Regions on the Disk 15/1823 UTC (SDO Continuum): 3
The Largest Event: no X-ray events
X-ray background flux (1.0-8.0 A) January 14: A6.4
Radio Flux 10.7 cm at 14/2300 UTC (Penticton): 76
Solar Wind Speed at 15/1830 UTC: 334.2 km/s, Density: 4.5 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 25, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A6.0 - A8.5
Radio Flux 10.7 cm: a fluctuation in the range 73 - 79

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