Solar-activity forecast for the period Mar 26 - Apr 1, 2010

Activity level: mostly very low to low
Radio flux (10.7 cm): a fluctuation in the range 83-92 f.u.
Flares: weak (2-10/day), middle (0-2/period)
Relative sunspot number: in the range 15-35

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


Geomagnetic activity forecast for the period Mar 26 to Apr 1, 2010

quiet: Mar 27, 28, 29 and Apr 1
quiet to unsettled: Mar 26, 30 and 31
unsettled: 0
active: 0
minor storm: 0
major storm: 0
severe storm: 0

Geomagnetic activity summary: geomagnetic field was quiet on
Mar 18, 19 and from 21 to 24, on Mar 20 unavailable data.

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:

unsettled to active: -
quiet to unsettled: Mar (26, 31,) Apr 8 - 9, 14, 17, 22
quiet: Mar 27 - 29, (30,) Apr 1, (2 - 3,) 4 - 6, (7, 10 - 11,) 12 -
13, 15 - 16, 18 - 21

Survey: quiet: Mar 21 - 23
        mostly quiet: Mar 18 - 20, 24
        quiet to unsettled: -
        quiet to active: Mar 17
        quiet to minor storm: -
        mostly unsettled: -
        unsettled to disturbed: -
        mostly active: -
        active to disturbed: -
        disturbed: -

   Notices:
        Days in brackets refer to a lower probability of possible
        activity enhancements depending on previous development on the sun.
        Accuracy and reliability of forecasts are generally low at present.

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