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Weekly Forecasts Bulletin

Solar activity forecast for the period November 4 – November 10, 2016
Activity level: mostly very low to low
X-ray background flux (1.0-8.0 A): in the range A5.0-B1.5
Radio flux (10.7 cm): a fluctuation in the range 60-90 f.u.
Events: class C (0-1/day), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-50

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

Geomagnetic activity forecast for the period November 4 – November 10, 2016
Quiet: Nov 4 – 5, 8 – 9
Unsettled: Nov 6 – 7, 10
Active: Nov 7 and 10
Minor storm: 0
Major storm:0
Severe storm: 0

Geomagnetic activity summary:
Most of the forecasted period, we expect quiet to unsetled conditions. We
can expect a local active episode about Monday, Nov 7 and also Thursday,
Nov 10, possibly. Next week, we do not expect storming events.

Tomas Bayer
RWC Prague
Institute of Geophysics of the ASCR, Prague
Department of Geomagnetism
Budkov observatory (BDV)
Geomagnetic activity forecast for the period November 4 – November 30, 2016
Geomagnetic field will be:
quiet on November 7 – 8
mostly quiet on November 4, (9 – 10), 15 – 18, 29 – 30
quiet to unsettled on November 5 – 6, 11, 14, 19, 27 – 28
quiet to active on November 12 – 13, 20, 24
active to disturbed on November 21 – 23, 25 – 26

Amplifications of the solar wind from coronal holes are expected:
on November 5 – 6, 12 – 13, 20 – 26
Remarks:
– Parenthesis means lower probability of activity enhancement.

Petr Kolman, OK1MGW
Czech Propagation Interested Group
(OK1HH & OK1MGW, weekly forecasts since 1978)
e-mail: kolmanp(at)razdva.cz

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