Solar activity forecast for the period January 27 - 28, 2017


Issued: 2017 January 26 16:15 UTC


Analysis from January 25/1700 UTC to January 26/1600 UTC:

Sunspot Regions on the Disk 26/1535 UTC (SDO Continuum): 3
The Largest Event: B8.5 at 25/2128 UTC
X-ray background flux (1.0-8.0 A) January 25: B1.4
Radio Flux 10.7 cm at 25/2300 UTC (Penticton): 85
Solar Wind Speed at 26/1545 UTC: 446.3 km/s, Density: 0.8 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 30, Class M: 05, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A9.0 - B2.0
Radio Flux 10.7 cm: a fluctuation in the range 80 - 88 

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