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OK0NAG > SOLAR 28.04.11 14:26l 96 Lines 3503 Bytes #999 (0) @ EU
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_____________________________________________________________________
Solar-activity forecast for the period Apr 29 - May 5, 2011
Activity level: very low to low
Radio flux (10.7 cm): a fluctuation in the range 90-120 f.u.
Flares: weak (2-12/day)
Relative sunspot number: in the range 36-60
Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________
Geomagnetic activity forecast for the period Apr 29 to May 5, 2011
quiet: Apr 29, May 4 and 5
quiet to unsettled: May 3
unsettled: May 1 and 2
unsettled to active: Apr 30
active: 0
minor storm: 0
major storm: 0
severe storm: 0
Geomagnetic activity summary:
geomagnetic field was quiet from Apr 21 to 27.
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: May 7, 11 - 16, 20 - 22
mostly quiet: May 1, 6, 10, 19, 23 - 24
quiet to unsettled: Apr 29, May 2, 4
quiet to active: May 5
quiet to minor storm: Apr 30, May 3, 8 - 9, 17 - 18
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: -
Survey: quiet: Apr 21 - 23, 26 - 27
mostly quiet: Apr 19, 25
quiet to unsettled: -
quiet to active: Apr 24
quiet to minor storm: Apr 20
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:
High probability of changes in solar wind which may caused
changes in magnetosphere and ionosphere is expected about
May 2, 6 - 8, 15 - 17 and 20 - 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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