Solar-activity forecast for the period Jul 11 - 17, 2008

Activity level: very low
Radio flux (10.7 cm): a fluctuation in the range 65-71 f.u.
Flares: weak (0-3/period)
Relative sunspot number: in the range 0-25

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


Geomagnetic activity forecast for the period Jul 11 to Jul 17, 2008

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

Geomagnetic activity summary: geomagnetic field was quiet on
Jul 3, 4 and from 6 to 9, quiet to unsettled on Jul 5.

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

unsettled to active: Jul (17, 21, 25-26, 28,) Aug 1-2
active to disturbed: Jul 11-12, (13-15, 22-24)
quiet: Jul 16, 18-20, 27, 29-31, Aug 3-6

Survey: quiet on: Jul 2-3, 6-9
        mostly quiet on: Jul 4
        quiet to unsettled -
        quiet to active on: Jul 5
        quiet to disturbed -
        mostly unsettled -
        unsettled to active -
        unsettled to disturbed -
        mostly active -
        active to disturbed -
        disturbed -

   Notice: Days in brackets refer to a lower probability of possible
        solar activity enhancements depending on previous developments
        on the sun.

F. K. Janda, OK1HH, Czech Propagation Interested Group
e-mail: franta.janda(at)quick.cz