Solar activity forecast for the period January 28 - 29, 2017


Issued: 2017 January 27 17:15 UTC


Analysis from January 26/1700 UTC to January 27/1700 UTC:

Sunspot Regions on the Disk 27/1645 UTC (SDO Continuum): 2
The Largest Event: B5.4 at 27/1045 UTC
X-ray background flux (1.0-8.0 A) January 26: B1.1
Radio Flux 10.7 cm at 26/2300 UTC (Penticton): 83
Solar Wind Speed at 27/1645 UTC: 579.8 km/s, Density: 0.7 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 30, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A8.5 - B1.5
Radio Flux 10.7 cm: a fluctuation in the range 78 - 85 

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