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OK0NAG > SOLAR 23.09.10 14:06l 87 Lines 2526 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bulletin
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Date: Thu, 23 Sep 2010 14:02:14 +0200 (CEST)
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_____________________________________________________________________
Solar-activity forecast for the period Sep 24 - 30, 2010
Activity level: mostly very low to low
Radio flux (10.7 cm): a fluctuation in the range 83-90 f.u.
Flares: weak (0-10/day), middle (0-1/period)
Relative sunspot number: in the range 25-60
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Sep 24 to Sep 30, 2010
quiet: Sep 25, 26, 27, 29 and 30
quiet to unsettled: Sep 24 and 28
unsettled: 0
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from
Sep 17 to 22, quiet to unsettled on Sep 16.
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: Sep 24 - 25, Oct 5
unsettled to active: Oct 3, 14, 18 - 19
quiet to unsettled: Sep 29, Oct 4, 6 - 7. 12 - 13, 15
quiet: Sep 26 - 28, (30,) Oct 1 - 2, 8 - 11, 16 - 17, 20
Survey: quiet: Sep 18 - 19, 22
mostly quiet Sep 17, 20 - 21
quiet to unsettled: Sep 14 - 15
quiet to active Sep 16
quiet to minor storm: -
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.
F. K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: ok1hh(at)rsys.cz
_____________________________________________________________________
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