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OK0NAG > SOLAR 09.04.09 10:23l 73 Lines 2109 Bytes #999 (0) @ EU
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Date: Thu, 9 Apr 2009 11:12:53 +0200 (CEST)
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Subject: solar & geomagnetic activity forecast
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Solar-activity forecast for the period Apr 10 - 16, 2009
Activity level: very low
Radio flux (10.7 cm): a fluctuation in the range 67-73 f.u.
Flares: weak (0-3/day)
Relative sunspot number: in the range 0-25
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_________________________________________________________________
Geomagnetic activity forecast for the period Apr 10 to Apr 16, 2009
quiet: Apr 11 to 14
quiet to unsettled: Apr 10 and 15
unsettled: Apr 16
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet from
Apr 2 to 7, unsettled on Apr 8.
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
unsettled to active: Apr 11, 13, (15, 18, 21, 24, 26, 28)
active to disturbed: Apr (10, 17, 20, 23,) May 5, (6)
quiet: Apr 12, 14, 16, 19, (22,) 25, 27, 29-30, May 1-3 (4)
Survey: quiet: Apr 2-7
quiet to unsettled: Apr 8
Notices:
We are in moreless quiet period before the
enhancement of solar activity. Forecasts are
less reliable than usually.
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: franta.janda(at)quick.cz
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