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OK0NAG > SOLAR    10.02.11 14:40l 92 Lines 3208 Bytes #999 (0) @ EU
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_____________________________________________________________________

Solar-activity forecast for the period Feb 11 - 17, 2011

Activity level: very low to low
Radio flux (10.7 cm): a fluctuation in the range 80-88 f.u.
Flares: weak (2-12/day)
Relative sunspot number: in the range 25-45

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

Geomagnetic activity forecast for the period Feb 11 to Feb 17, 2011

quiet: Feb 11 and 12
quiet to unsettled: Feb 13 and 17
unsettled: Feb 14, 15 and 16
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: 
            geomagnetic field was quiet on Feb 3, 7, 8 and 9, 
            unsettled on Feb 5 and 6, active on Feb 4.  

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 3  - 4
unsettled to active: Mar 5
quiet to unsettled: Feb 15 - 16, 21 - 22, 28, Mar 1, 6
mostly quiet: Feb 12 - 13, 20, 25, 27, Mar 2
quiet: Feb 11, 14, 17 - 19, 23 - 24, 26, Mar 7 - 9

Survey: quiet: Feb 3, 9
         mostly quiet: Feb 2, 7 - 8
         quiet to unsettled: -
         quiet to active: Feb 6
         quiet to minor storm: -
         quiet to disturbed: -
         mostly unsettled: -
         unsettled to active: Feb 5
         unsettled to minor storm: -
         minor to major storm: Feb 4
         active to disturbed: -
         disturbed: -

   Notices:
        High probability of changes in solar wind which may caused
        changes in magnetosphere and ionosphere is expected for
        February 11, (13, 15) 16, (21,) 28 and March 1, 4 - 6.
        Days in brackets refer to a lower probability of possible
        activity enhancements depending on previous development
        on the Sun. Present forecasts are unreliable.

F. K. Janda (OK1HH), Czech Propagation Interested Group
e-mail: ok1hh(at)rsys.cz
______________________________________________________________________


 





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