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OK0NAG > SOLAR 25.08.11 14:04l 107 Lines 3556 Bytes #999 (0) @ EU
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_____________________________________________________________________
Solar-activity forecast for the period Aug 26 - Sep 1, 2011
Activity level: very low to low
Radio flux (10.7 cm): a fluctuation in the range 110-85 f.u.
Flares: weak (3-12/day)
Relative sunspot number: in the range 30-65
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Aug 26 to Sep 1, 2011
quiet: Aug 26, 30, 31 and Sep1
quiet to unsettled: Aug 29
unsettled: Aug 27 and 28
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from Aug 18 to 22,
quiet to unsettled on Aug 24, unsettled on Aug 23.
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:
quiet: Aug 29 - 30, Sep 5 - 6, 8 - 9, 13 - 15, 17
mostly quiet: Aug 28, Sep 3, 7, 12, 16, 18, 20
quiet to unsettled: Aug 27, 31, Sep 4, 11
quiet to active: Aug 26, Sep 19
quiet to minor storm: Sep 2, 10
quiet to major storm: Sep 1
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
active to minor storm: -
active to major storm: -
minor to major storm: -
Survey: quiet: Aug 18 - 19, 21,
mostly quiet: Aug 20, 23
quiet to unsettled: Aug 16 - 17, 22
quiet to active: Aug 23
quiet to minor storm: -
quiet to major storm: -
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
active to minor storm: -
active to major storm: -
minor to major storm: -
Notices:
High probability of changes in solar wind which may caused
changes in magnetosphere and ionosphere is expected about
Aug 26, 31, Sep (8 - 10,) 11 (- 12), 18.
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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