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OK0NAG > SOLAR 23.12.10 14:49l 82 Lines 2587 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bulletin
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Date: Thu, 23 Dec 2010 13:44:02 +0100 (CET)
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_____________________________________________________________________
Solar-activity forecast for the period Dec 24 - 30, 2010
Activity level: very low
Radio flux (10.7 cm): a fluctuation in the range 77-86 f.u.
Flares: weak (0-5/day)
Relative sunspot number: in the range 0-30
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Dec 24 to Dec 30, 2010
quiet: Dec 24, 26 and 30
quiet to unsettled: Dec 25 and 27
unsettled: Dec 28 and 29
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
eomagnetic field was quiet from Dec 16 to 19, 21 and 22,
unsettled on Dec 20.
RWC Prague, Geophysical Institute Prague, Geomagnetic Dept,
Czech Republic
e-mail: geom(at)ig.cas.cz
_____________________________________________________________________
Geomagnetic activity forecast for the period of one solar rotation
Geomagnetic field during the following solar rotation should be:
active to disturbed: Jan 10
unsettled to active: Dec 24 - 25, 28, Jan 4, 16
quiet to unsettled: Dec (26 - 27, 29,) Jan 9, 11, 14
quiet: Dec 30 - 31, Jan 1 - 3, 5 - 8, 12 - 13, 15, 17 - 18, (19)
Survey: quiet: Dec 18, 21 - 22
mostly quiet: Dec 16 - 17, 19
quiet to unsettled: Dec 15
quiet to active: Dec 20
quiet to minor storm: Dec 14
quiet to disturbed: -
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
minor to major storm: -
active to disturbed: -
disturbed: -
Notices:
Days in brackets refer to a lower probability of possible
activity enhancements depending on previous development
on the Sun. Present forecasts are less reliable than usually.
F. K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: ok1hh(at)rsys.cz
_____________________________________________________________________
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