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OK0NAG > SOLAR 30.12.10 14:41l 102 Lines 3093 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bulletin
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Date: Thu, 30 Dec 2010 13:36:45 +0100 (CET)
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Subject: Weekly Forecasts Bulletin
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Solar-activity forecast for the period Dec 31, 2010 - Jan 6, 2011
Activity level: mostly very low
Radio flux (10.7 cm): a fluctuation in the range 78-86 f.u.
Flares: weak (0-8/day)
Relative sunspot number: in the range 0-35
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
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Geomagnetic activity forecast for the period Dec 31 2010 to Jan 6 2011
quiet: Dec 31 to Jan 3 and 6
quiet to unsettled: Jan 5
unsettled: Jan 4
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from Dec 23 to 27 and 29,
unsettled on Dec 28.
RWC Prague, Geophysical Institute Prague, Geomagnetic Dept,
Czech Republic
e-mail: geom(at)ig.cas.cz
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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: Jan 4, 9, 16, 22, 24
quiet to unsettled: Jan 2, 11 - 13
quiet: Dec 31, Jan 1, 3, 5 - 8, 14 - 15, 17 - 21, 23, 25
Survey: quiet: Dec 21 - 24, 27
mostly quiet: Dec 26, 29
quiet to unsettled: Dec 25
quiet to active: -
quiet to minor storm: Dec 28
quiet to disturbed: -
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
minor to major storm: -
active to disturbed: -
disturbed: -
Notices:
High probability of changes in solar wind which may caused
changes in magnetosphere and ionosphere is expected for
January 10 as well as January 4, 16, 21 - 22 and 24.
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) and P. Kolman (OK1MGW)
Czech Propagation Interested Group
e-mails: ok1hh(at)rsys.cz and kolmanp(at)razdva.cz
Seasons greeting: http://ok1hh.sweb.cz/PF_2011.JPG
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