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OK0NAG > SOLAR 13.01.11 13:38l 89 Lines 2854 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bulletin
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Date: Thu, 13 Jan 2011 11:53:31 +0100 (CET)
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_____________________________________________________________________
Solar-activity forecast for the period Jan 14 - 20, 2011
Activity level: mostly very low
Radio flux (10.7 cm): a fluctuation in the range 80-88 f.u.
Flares: weak (0-8/day)
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 Jan 14 to Jan 20, 2011
quiet: Jan 20
quiet to unsettled: Jan 16 and 19
unsettled: Jan 14, 15, 17 and 18
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet on
Jan 6 and 10, quiet to unsettled on Jan 9 and 12,
unsettled on Jan 7, 8 and 11.
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: Feb 3
unsettled to active: Jan 24, Feb 2, 7
quiet to unsettled: Jan 16, 22, 26, 28, (30 - 31,) Feb 4, 6, 8
quiet: Jan (14 - 15, 17 - 18,) 19 - 21, (23, 25,) 27, 29, Feb 1, (5)
Survey: quiet: Jan 5
mostly quiet: Jan 10, 12
quiet to unsettled: Jan 8 -9
quiet to active: Jan 11
quiet to minor storm: Jan 6 - 7
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 for
January 15, 17 (and 18) as well as January 22 (23,) 25 - 26, (31)
and February 3 - 6 (7 - 9).
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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