Solar activity forecast for the period February 3 - February 9, 2017


Activity level: mostly very low to low
X-ray background flux (1.0-8.0 A): in the range A6.0-B1.5
Radio flux (10.7 cm): a fluctuation in the range 60-90 f.u.
Events: class C (0-2/day), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-65

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


Geomagnetic activity forecast for the period February 3 - February 9, 2017


Quiet: Feb 7 - 9
Unsettled: Feb 3 - 7
Active: possible Feb 3, Feb 5 - 6
Minor storm:  0
Major storm: 0
Severe storm: 0

Geomagntic activity summary:
The two coming days, we expect at most unsettled conditions, Friday,
February 3, and Sunday, February 5, active episode is possible.
The rest of the forecasted period, quiet to unsettled conditions are
expected.

Tomas Bayer
RWC Prague
Institute of Geophysics of the ASCR, Prague
Department of Geomagnetism
Budkov observatory (BDV)


Geomagnetic activity forecast for the period February 3 - March 2, 2017


Geomagnetic field will be:
quiet on February 12, 26 
mostly quiet on February 10 - 11, 13 - 14, 22 - 23 
quiet to unsettled on February 9, 21, 27 
quiet to active on February 4 - 6, 8, 16 - 17, 20, 25, 28 
active to disturbed on February 3, 7, 15, 18 - 19, 24, March 1 - 2 

Amplifications of the solar wind from coronal holes are expected
on February 3 - 7, (8 - 9,) 16 - 21, (22,) 26 - 27 

Remark:
- Parenthesis means lower probability of activity enhancement.

F. K. Janda, OK1HH
Czech Propagation Interested Group
OK1HH compiling weekly forecasts since January 1978
e-mail: ok1hh(at)rsys.cz