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OK0NAG > SOLAR 16.12.10 14:31l 87 Lines 2581 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bulletin
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_____________________________________________________________________
Solar-activity forecast for the period Dec 17 - 23, 2010
Activity level: very low to low
Radio flux (10.7 cm): a fluctuation in the range 82-90 f.u.
Flares: weak (0-8/day)
Relative sunspot number: in the range 11-40
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Dec 17 to Dec 23, 2010
quiet: Dec 21, 22 and 23
quiet to unsettled: Dec 17 and 20
unsettled: Dec 18 and 19
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from Dec 9 to 12 and 15,
unsettled on Dec 13 and 14.
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: Dec 25, Jan 10
unsettled to active: Dec 20, 27, Jan 4
quiet to unsettled: Dec 19, 21, 26, 29, Jan 2, 9, 11
quiet: Dec (17 - 18,) 22 - 23, (24,) 28, 30 - 31, Jan 1, 3, 5 - 8
Survey: quiet: Dec 9 - 11
mostly quiet: -
quiet to unsettled: Dec 12, 15
quiet to active: Dec 8, 13
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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