[A-DX] Funkprognose 10.-16. Dezember

[Wolf Harranth <harranth@xxxxxxxx>]

Solar-activity forecast for the period Dec 10 - 16, 2004

Activity level: very low to low
Radio flux (10.7 cm): a fluctuation in the range 75-125 f.u.
Flares: weak (0-15/day)
Relative sunspot number: in the range 11-70

Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch@xxxxxxxxxx
(RWC Prague)
_________________________________________________________________

Geomagnetic activity forecast for the period Dec 10 to Dec 16, 2004

quiet: Dec 10, 15 and 16
quiet to unsettled: Dec 14
unsettled: 0
unsettled to active: Dec 11
active: Dec 12 and 13
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet on
Dec 2, 3 and 4, unsettled on Dec 5, 7 and 8, unsettled to active on
Dec 6.

RWC Prague, Geophysical Institute Prague, Geomagnetic Dept,
Czech Republic
e-mail: geom@xxxxxxxxx
_________________________________________________________________

Geomagnetic activity forecast for the period of one solar rotation

active:    Dec 10, 13-14, 17-18, 22-28, Jan 4-5
disturbed: Dec (17-18),
quiet:     Dec 11-12, 15-16, (19-21), 29-31, Jan 1-3

Survey:   quiet: Nov 2-4
          quiet to active: Nov 5
          unsettled: 8
          unsettled to active: 6-7

Remarks: Days in brackets () => lower probability of activity
         (or lower accuracy of) forecast, depending on previous
         development on the Sun. In addition especially at this
         time of the solar cycle, space weather conditions are
         frequently determined by short timescale events, usually
         not able to be forecasted.

Petr Kolman, OK1MGW, Czech Propagation Interested Group
e-mail: kolmanp.razdva.cz
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