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OK0NAG > SOLAR 23.04.09 11:23l 74 Lines 2092 Bytes #999 (0) @ EU
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Date: Thu, 23 Apr 2009 12:14:38 +0200 (CEST)
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Subject: solar & geomagnetic activity forecast
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Solar-activity forecast for the period Apr 24 - 30, 2009
Activity level: very low
Radio flux (10.7 cm): a fluctuation in the range 68-74 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 24 to Apr 30, 2009
quiet: Apr 24 to 30
quiet to unsettled: 0
unsettled: 0
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet from
Apr 16 to 22.
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 24 or 25, (26, 29,) May 8-9, (14-15, 18)
active to disturbed: May (5-7)
quiet: Apr (27,) 28, 30, May 1-4, 10-12, (13,) 16-17, 19-20
Survey: quiet: Apr 14-15, 19-20, 22
mostly quiet: Apr 16-18, 21
Notices:
Relatilely very quiet period before the enhancement of solar activity
is expected, therefore our 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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