Solar activity forecast for the period February 5 - 6, 2017


Issued: 2017 February 4 17:15 UTC


Analysis from February 03/1700 UTC to February 04/1700 UTC:

Sunspot Regions on the Disk 04/0747 UTC (SDO Continuum): 2
The Largest Event: B1.6 at 04/1312 UTC
X-ray background flux (1.0-8.0 A) February 3: A7.3
Radio Flux 10.7 cm at 03/2300 UTC (Penticton): 75
Solar Wind Speed at 04/1645 UTC: 519.3 km/s, Density: 0.7 p/cm^3


Forecast:
 
activity level will be very low
Event probabilities: Class C: 05, Class M: 01, Class X: 01, Proton: 01
X-ray background flux (1.0-8.0 A): in the range A6.5 - A9.0
Radio Flux 10.7 cm: a fluctuation in the range 71 - 79

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