Solar activity forecast for the period January 14 - 15, 2017


Issued: 2017 January 13 17:15 UTC


Analysis from January 12/1700 UTC to January 13/1700 UTC:

Sunspot Regions on the Disk 13/1629 UTC (SDO Continuum): 3
The Largest Event: no X-ray events
X-ray background flux (1.0-8.0 A) January 12: A8.5
Radio Flux 10.7 cm at 12/2300 UTC (Penticton): 75
Solar Wind Speed at 13/1645 UTC: 368.3 km/s, Density: 2.0 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 A6.5 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 72 - 78

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