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OK0NAG > SOLAR 16.07.09 10:17l 75 Lines 2238 Bytes #999 (0) @ EU
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Date: Thu, 16 Jul 2009 11:14:20 +0200 (CEST)
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Subject: solar & geomagnetic activity forecast
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Solar-activity forecast for the period Jul 17 - 23, 2009
Activity level: predominantly very low
Radio flux (10.7 cm): a fluctuation in the range 67-73 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 Jul 17 to Jul 23, 2009
quiet: Jul 17 to 20 and 23
quiet to unsettled: Jul 22
unsettled: Jul 21
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary: geomagnetic field was quiet on
Jul 9, 11, 12 and 15, quiet to unsettled on Jul 10 and 14, unsettled
on Jul 13.
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: -
unsettled to active: July 21, (22, 25,) August 9
quiet to unsettled: July 18, 24, (31,) Aug 2, 6, 10, (12)
quiet: July (17,) 19 - 20, 23, 26 - 30, Aug 1, 3, (4 - 5,) 7 - 8, 11
Survey: quiet: July 8, 11 - 12, 15
quiet to unsettled: July 9 - 10
quiet to active: July 13 - 14
Notices:
Long period of quiet conditions before the enhancement
of solar activity is probably ending slowly.
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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