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OK0NAG > SOLAR 10.03.11 15:55l 102 Lines 3671 Bytes #999 (0) @ EU
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_____________________________________________________________________
Solar-activity forecast for the period Mar 11 - 17, 2011
Activity level: mostly low to moderate
Radio flux (10.7 cm): a fluctuation in the range 145-105 f.u.
Flares: weak (numerous), middle (1-5/period), large (0-1/period)
Relative sunspot number: in the range 140-80
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Mar 11 to Mar 17, 2011
quiet: Mar 16 and 17
quiet to unsettled: Mar 15
unsettled: Mar 11 to 14
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet on Mar 5, 6, 8 and 9,
unsettled on Mar 4 and 7, unsettled to active on Mar 3.
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:
quiet: Mar 15, 18, 21, 24 - 27, Apr 5
mostly quiet: Mar 12, 22 - 23, 31, Apr 1 - 2
quiet to unsettled: Mar 14, 16, 20, 28, Apr 4, 6
quiet to active: Mar 17
quiet to minor storm: Mar 19, Apr 3
quiet to major storm: Mar 11, 13
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
active to minor storm: -
active to major storm: Mar 30
minor to major storm: Mar 29
Survey: quiet: Mar 8
mostly quiet: Mar 9
quiet to unsettled: Mar 5
quiet to active: Mar 4, 6 - 7
quiet to minor storm: -
quiet to major storm: -
mostly unsettled: -
unsettled to active: Mar 3
unsettled to minor storm: -
active to minor storm: Mar 2
active to major storm: -
minor to major storm: -
Notices:
One of biggest storms is expected for March 29 - 30.
High probability of changes in solar wind which may caused
changes in magnetosphere and ionosphere is expected for
March 13, 16 - 17, 26 - 28.
Days in brackets refer to a lower probability of possible
activity enhancements depending on previous development
on the Sun. Present forecasts are less reliable.
F. K. Janda (OK1HH), Czech Propagation Interested Group
e-mail: ok1hh(at)rsys.cz
_____________________________________________________________________
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