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OK0NAG > SOLAR 21.05.09 10:34l 76 Lines 2097 Bytes #999 (0) @ EU
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Date: Thu, 21 May 2009 11:30:38 +0200 (CEST)
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Subject: solar & geomagnetic activity forecast
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Solar-activity forecast for the period May 22 - 28, 2009
Activity level: very low
Radio flux (10.7 cm): a fluctuation in the range 68-74 f.u.
Flares: weak (0-2/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 May 22 to May 28, 2009
quiet: May 22 to 28
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
May 15 to 20, quiet to unsettled on May 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
active to disturbed: June 3(-4)
unsettled to active: May (22), June 5, 10
quiet to unsettled: May 23-24, June 12, 16-17
quiet: 25-31, June 1(-2), 6-9, 11, 13-15
Survey: quiet: May 15, 17
mostly quiet: May 13, 16, 18-20
quiet to active: May 14
Notices:
Mostly quiet conditions before the enhancement
of solar activity are expected.
Days in brackets refer to a lower probability
of possible activity enhancements depending
on previous development on the sun.
Petr Kolman, OK1MGW, Czech Propagation Interested Group
e-mail: kolmanp(at)razdva.cz
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