Solar activity forecast for the period January 17 - 18, 2017


Issued: 2017 January 16 18:30 UTC


Analysis from January 15/1700 UTC to January 16/1815 UTC:

Sunspot Regions on the Disk 16/1753 UTC (SDO Continuum): 3
The Largest Event: B1.3 at 16/0144 UTC
X-ray background flux (1.0-8.0 A) January 15: A6.3
Radio Flux 10.7 cm at 15/2300 UTC (Penticton): 78
Solar Wind Speed at 16/1800 UTC: 303.4 km/s, Density: 8.1 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 75 - 81

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