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OK0NAG > SOLAR 24.03.11 20:34l 99 Lines 3767 Bytes #999 (0) @ EU
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_____________________________________________________________________
Solar-activity forecast for the period Mar 25 - 31, 2011
Activity level: mostly low to moderate
Radio flux (10.7 cm): a fluctuation in the range 95-130 f.u.
Flares: weak (3-12/day), middle (1-4/period), large (0-1/period)
Relative sunspot number: in the range 30-70
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Mar 25 to Mar 31, 2011
quiet: Mar 25, 25 and 27
quiet to unsettled: Mar 31
unsettled: Mar 29 and 30
unsettled to active: Mar 28
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from Mar 17 to 22,
unsettled on Mar 23.
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 27, Apr 1 - 2, 5, 10 - 13, 15 - 16
mostly quiet: Mar 28, Apr 3, 6
quiet to unsettled: Mar 25 - 26, 31, Apr 2, 17
quiet to active: Apr 4, 14
quiet to minor storm: Apr 18 - 20
quiet to major storm: -
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
active to minor storm: -
active to major storm: Mar 30, Apr 8
minor to major storm: Mar 29, Apr 7, 9
Survey: quiet: Mar 14 - 16, 18,
mostly quiet: -
quiet to unsettled: Mar 21 - 22
quiet to active: Mar 17, 20, 23
quiet to minor storm: -
quiet to major storm: -
mostly unsettled: -
unsettled to active: -
unsettled to minor storm: -
active to minor storm: -
active to major storm: -
minor to major storm: -
Notices:
One of strongest storms in present phase of this solar cycle
is expected for March 29 - 30 (and April 7 - 9).
High probability of changes in solar wind which may caused
changes in magnetosphere and ionosphere is expected for
March (26,) 27 - 30, April (6,) 7 - 8 and 21 - 22.
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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