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OK0NAG > SOLAR 20.01.11 13:36l 92 Lines 2879 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bulletin
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Date: Thu, 20 Jan 2011 12:27:09 +0100 (CET)
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Subject: Weekly Forecasts Bulletin
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_____________________________________________________________________
Solar-activity forecast for the period Jan 21 - 27, 2011
Activity level: mostly very low
Radio flux (10.7 cm): a fluctuation in the range 78-87 f.u.
Flares: weak (0-7/day]
Relative sunspot number: in the range 14-45
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Jan 21 to Jan 27, 2011
quiet: Jan 21 and 23 to 27
quiet to unsettled: Jan 22
unsettled: 0
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from Jan 15 to 18, quiet to
unsettled on Jan 19, unsettled on Jan 13 and 14.
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: Jan 24 and Feb 3
unsettled to active: Feb 7, 10
quiet to unsettled: Jan 25, Feb 4, 7
mostly quiet: Jan 21 - 22, 26, 28 - 31, Feb 2, 5 - 6, 8 - 9, 12 - 13,
15 - 16
quiet: Jan 23, 27, Feb 1, 11, (14)
Survey: quiet: Jan 15
mostly quiet: Jan 12, 16 - 18
quiet to unsettled: Jan 19
quiet to active: Jan 13 - 14
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:
High probability of changes in solar wind which may caused
changes in magnetosphere and ionosphere is expected mainly for
February 2, not so high for January 21 as well as for January 24,
and February 11 - 12.
Days in brackets refer to a lower probability of possible
activity enhancements depending on previous development
on the Sun. Present forecasts are less reliable than usually.
F. K. Janda (OK1HH), Czech Propagation Interested Group
e-mail: ok1hh(at)rsys.cz
_____________________________________________________________________
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