Solar activity forecast for the period February 10 - 11, 2017


Issued: 2017 February 9 17:15 UTC


Analysis from February 08/1700 UTC to February 09/1700 UTC:

Sunspot Regions on the Disk 09/1629 UTC (SDO Continuum): 2
The Largest Event: C1.3 at 09/0326 UTC
X-ray background flux (1.0-8.0 A) February 8: A5.8
Radio Flux 10.7 cm at 08/2300 UTC (Penticton): 73
Solar Wind Speed at 09/1645 UTC: 440.1 km/s, Density: 1.4 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 A6.0 - B1.0
Radio Flux 10.7 cm: a fluctuation in the range 69 - 77

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