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OK0NAG > SOLAR 20.08.09 12:05l 78 Lines 2331 Bytes #999 (0) @ EU
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Date: Thu, 20 Aug 2009 12:01:55 +0200 (CEST)
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Subject: solar & geomagnetic activity forecast
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_____________________________________________________________________
Solar-activity forecast for the period Aug 21 - 27, 2009
Activity level: very low
Radio flux (10.7 cm): a fluctuation in the range 66-71 f.u.
Flares: weak (0-2/period)
Relative sunspot number: in the range 0-25
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Aug 21 to Aug 27, 2009
quiet: Aug 21 to 27
quiet to unsettled: 0
unsettled: 0
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet from
Aug 13 to 19.
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
active to disturbed: Sep 16
unsettled to active: Sep 2 - 3, 6
quiet to unsettled: Aug 20 - 22, 27, (31,) Sep (1, 8,) 9
quiet: Aug 23 - 26, 28 - 30, Sep 4 - 5, 7, 10 - 15
Survey: quiet: Aug 14 - 18
mostly quiet: Aug 9 - 13
quiet to unsettled: Aug 19
quiet to active -
quiet to disturbed -
mostly unsettled -
unsettled to active -
unsettled to disturbed -
mostly active -
active to disturbed -
disturbed -
Notices:
Days in brackets refer to a lower probability
of possible activity enhancements depending
on previous development on the sun.
F. K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: franta.janda(at)quick.cz
_____________________________________________________________________
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