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OK0NAG > SOLAR 22.07.10 12:38l 77 Lines 2123 Bytes #999 (0) @ EU
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Subj: solar & geomagnetic activity forecast
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Date: Thu, 22 Jul 2010 12:25:56 +0200 (CEST)
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Solar-activity forecast for the period Jul 23 - 29, 2010
Activity level: predominantly very low to low
Radio flux (10.7 cm): a fluctuation in the range 80-95 f.u.
Flares: weak (numerous), middle (0-2/period)
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 Jul 23 to 29, 2010
quiet: 0
quiet to unsettled: Jul 24
unsettled: Jul 23, 25, 26, 28 and 29
unsettled to active: Jul 27
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet from
Jul 16 to 21, quiet to unsettled on Jul 15.
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: -
unsettled to active: Jul (24, 27, 29,) Aug (8, 11)
quiet to unsettled: Jul 23, 25 - 26, 28, Aug 12
quiet: Jul (30,) 31, Aug 1 - 6, (7,) 9, (10,) 13 - 17, (18)
Survey: quiet: Jul 17 - 18
mostly quiet: Jul 16, 19 - 21
quiet to active: Jul 14 - 15
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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