Solar activity forecast for the
period August 7 - 13, 2015
Activity level: mostly low to moderate
X-ray background flux (1.0-8.0 A): in the range B1.5-B9.0
Radio flux (10.7 cm): a fluctuation in the range 100-140 f.u.
Events: class C (0-12/day), class M (0-4/day), class X (0-1/period),
proton (0/period)
Relative sunspot number (Ri): in the range 20-100
Jozef Lesko
RWC Prague, Astronomical Institute, Solar Dept., Ondrejov, Czech Republic
e-mail: sunwatch(at)asu.cas.cz
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Geomagnetic activity forecast for the period August 6 - 12, 2015
quiet: Aug 10, 11 and 12
quiet to unsettled: Aug 6
unsettled: Aug 7 and 8
active: Aug 9
Geomagnetic activity summary: geomagnetic field was guiet
on Aug 3 and 4, quiet to unsettled on Aug 1 and 2, unsettled
on Jul 30 and 31.
RWC Prague, Geophysical Institute Prague, Geomagnetic Dept,
Czech Republic
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Geomagnetic activity forecast for the period August 7 - September 2, 2015
Geomagnetic field will be:
quiet on August 14 - 15
mostly quiet on August 12 - 13, 23, 31, September 1
quiet to unsettled on August 10 - 11, 16 - 17, 19 - 22, 24, 29 - 30
quiet to active on August 9, 18, 25 - 26, 28 September 2
active to disturbed on August 7(-8), 27
Amplifications of the solar wind are expected on August 7 - 9, 25 - 28
Remarks:
- Reliability of predictions remains reduced in present solar cycle phase.
- Parenthesis means lower probability of activity enhancement.
Petr Kolman, OK1MGW
Czech Propagation Interested Group
(OK1HH & OK1MGW, weekly forecasts since 1978)
e-mail: kolmanp(at)razdva.cz
