Solar activity forecast for the period January 6 - January 12, 2017


Activity level: mostly very low to low
X-ray background flux (1.0-8.0 A): in the range A5.0-A9.5
Radio flux (10.7 cm): a fluctuation in the range 65-85 f.u.
Events: class C (0-1/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-45

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


Geomagnetic activity forecast for the period January 6 - January 12, 2017


Quiet: Jan 9 - 12
Unsettled: Jan 6 - 9
Active: Jan 5 - 6
Minor storm: 0
Major storm: 0
Severe storm: 0

Geomagnetic activity summary:
For the Budkov observatory, we expect an active episode (possibly with
minor storm effect) today evening. Next two days (Jan 6-7) we expected at
most unsettled conditions. Next days, we expect geomagnetic activity
decrease to quiet to unsettled conditions which should persist to the end
of forecasted period, e.g. Jan 8-15.

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


Geomagnetic activity forecast for the period January 6 - February 1, 2017


Geomagnetic field will be:
quiet on January 8 - 10, 16, 24 - 25, 
mostly quiet on January 11 - 12, 15, 26, 30,
quiet to unsettled on January 23, 27, 29
quiet to active on January 6 - 7, 13 - 14, 17 - 18, 28, 31
active to disturbed on January 19 - 20, (21 - 22,) February 1

Amplifications of the solar wind from coronal holes are expected
on January 6 - 8, 17 - 20, 25, (27 - 31,) February 1

Remark:
- Parenthesis means lower probability of activity enhancement.

F. K. Janda, OK1HH
Czech Propagation Interested Group
(OK1HH & OK1MGW, weekly forecasts since 1978)
e-mail: ok1hh(at)rsys.cz