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OK0NAG > SOLAR 27.01.11 13:22l 91 Lines 2823 Bytes #999 (0) @ EU
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Subj: Weekly Forecasts Bullerin
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Date: Thu, 27 Jan 2011 12:11:11 +0100 (CET)
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Subject: Weekly Forecasts Bullerin
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__________________________________________________________________________
Solar-activity forecast for the period Jan 28- Feb 3, 2011
Activity level: mostly very low
Radio flux (10.7 cm): a fluctuation in the range 77-86 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 28 to Feb 3, 2011
quiet: Jan 28 to Feb 1
quiet to unsettled: Feb 2
unsettled: Feb 3
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from Jan 20 to 26.
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, (10,) 21 - 22
unsettled to active: Jan 31, Feb 7, 10, 16
quiet to unsettled: Jan 29
mostly quiet: Jan 30, Feb 4, (13,) 14 - 15, 23
quiet: Jan 28, Feb 1 - 2, (5 - 6,) 8 - 9, 11 - 12, 17 - 20
Survey: quiet: Jan 21 - 23
mostly quiet: Jan 26
quiet to unsettled: Jan 19, 24 - 25
quiet to active: Jan 20
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 - 5, not so high for February 10 - 11, 13, 15 - 16,
20 or 21 and 23 - 24.
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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