Solar activity forecast for the period January 30 - 31, 2017


Issued: 2017 January 29 17:15 UTC


Analysis from January 28/1700 UTC to January 29/1700 UTC:

Sunspot Regions on the Disk 29/1623 UTC (SDO Continuum): 3
The Largest Event: C2.8 at 28/2109 UTC
X-ray background flux (1.0-8.0 A) January 28: A8.5
Radio Flux 10.7 cm at 28/2300 UTC (Penticton): 80
Solar Wind Speed at 29/1645 UTC: 456.9 km/s, Density: 1.8 p/cm^3


Forecast:
 
activity level will be very low to low
Event probabilities: Class C: 20, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A7.5 - A9.5
Radio Flux 10.7 cm: a fluctuation in the range 75 - 85

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