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OK0NAG > SOLAR    03.03.11 13:49l 91 Lines 3272 Bytes #999 (0) @ EU
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_____________________________________________________________________

Solar-activity forecast for the period Mar 4 - 10, 2011

Activity level: low to moderate
Radio flux (10.7 cm): a fluctuation in the range 100-125 f.u.
Flares: weak (numerous), middle (0-4/period)
Relative sunspot number: in the range 45-85

Astronomical Institue, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
(RWC Prague)
_____________________________________________________________________

Geomagnetic activity forecast for the period Mar 4 to Mar 10, 2011

quiet: Mar 7 and 10
quiet to unsettled: Mar 6, 8 and 9
unsettled: Mar 4 and 5
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: 
            geomagnetic field was quiet from Feb 24 to 28, 
            unsettled to active on Mar 2, active on Mar 1.  

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:

active to disturbed: Mar 5, 13, 28
unsettled to active: Mar 4, 17, 19, 29
quiet to unsettled: Mar 6, 14, 30
mostly quiet: Mar 7, 10, 18, 20
quiet: Mar 8 - 9, 11 - 12, 15 - 16, 21 - 27

Survey: quiet: Feb 22 - 24, 26 - 28
         mostly quiet: Feb 25
         quiet to unsettled: -
         quiet to active: -
         quiet to minor storm: -
         quiet to major storm: Mar 1
         mostly unsettled: -
         unsettled to active: -
         unsettled to minor storm: -
         active to minor storm: Mar 2
         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 for
        March 4 - 5, (9, 14,) 17 - 18, 29.
        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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