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OK0NAG > SOLAR 05.08.10 14:42l 83 Lines 2542 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bulletin
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Date: Thu, 5 Aug 2010 14:31:43 +0200 (CEST)
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_____________________________________________________________________
Solar-activity forecast for the period Aug 6 - 12, 2010
Activity level: mostly very low to low
Radio flux (10.7 cm): a fluctuation in the range 79-90 f.u.
Flares: weak (4-12/day), middle (0-2/period)
Relative sunspot number: in the range 20-50
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Aug 06 to Aug 12
quiet: Aug 08, 09 and Aug 12
quiet to unsettled: Aug 07
unsettled: Aug 10 and Aug 11
active: Aug 06
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet
from Jul 29 to Aug 02, unsettled on Aug 03. Minor storm was
on Aug 04.
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: Aug 23, 31
unsettled to active: Aug 6, 24, 27, Sep 1
quiet to unsettled: Aug 11, (12, 16,) 19, 21, (25, 30,)
quiet: Aug 7, (8,) 9 - 10, (13,) 14 - 15, (17,) 18, (20,) 22,
(26,) 28 - 29,
Survey: quiet: Jul 29, Aug 1 - 2
mostly quiet: Jul 30 - 31
quiet to unsettled: -
quiet to active: Jul 28
quiet to minor storm: -
quiet to disturbed: Aug 3
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
minor to major storm: -
active to disturbed: Aug 4
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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