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OK0NAG > SOLAR 24.02.11 15:33l 94 Lines 3403 Bytes #999 (0) @ EU
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_____________________________________________________________________
Solar-activity forecast for the period Feb 25 - Mar 3, 2011
Activity level: mostly low
Radio flux (10.7 cm): a fluctuation in the range 87-100 f.u.
Flares: weak (numerous), middle (0-3/period)
Relative sunspot number: in the range 20-45
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Feb 25 to Mar 3, 2011
quiet: Feb 27 to Mar 3
quiet to unsettled: Feb 25 and 26
unsettled: 0
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet on Feb 17, 19, 22 and 23,
quiet to unsettled on Feb 20, unsettled on Feb 18 and 21.
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: Mar 3 or 4, 17
unsettled to active: Mar 1, 5, 13, 20
quiet to unsettled: Feb 28, Mar 6, 10, 14 - 15, 19
mostly quiet: Feb 25, Mar 7, 10, 18, 23
quiet: Feb 26 - 27, Mar 2, (6,) 8 - 9, 11 - 12, 16, 21 - 22
Survey: quiet: Feb 16 - 17, 22 - 23
mostly quiet: Feb 19
quiet to unsettled: Feb 20 - 21
quiet to active: -
quiet to minor storm: -
quiet to disturbed: -
quiet to major storm: -
mostly unsettled: -
unsettled to active: Feb 18
unsettled to minor storm: -
minor to major storm: -
active to disturbed: -
disturbed: -
Notices:
High probability of changes in solar wind which may caused
changes in magnetosphere and ionosphere is expected for
February 28 and March 1, (3,) 4 - 6, 9, 14 - 15, 17 - 18,
(20).
Days in brackets refer to a lower probability of possible
activity enhancements depending on previous development
on the Sun. Present forecasts are unreliable.
F. K. Janda (OK1HH), Czech Propagation Interested Group
e-mail: ok1hh(at)rsys.cz
_____________________________________________________________________
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