P.I.G. Bulletin 150502
Solar & Geomagnetic activity forecast
for the period May 3 - 29, 2015
Solar activity will continue to fluctuate at solar
flux 95 - 140 s.f.u. during next few weeks.
Irregular
occurence of C class flares is expected.
Exceptionally
are possible M class flares after May 7. X class flare
may occur only rarely.
Geomagnetic field will be:
quiet on May 3 - 4, 11, 21 - 23, 26, 29
mostly quiet on May 5 - 6, 10, 24, 27 - 28
quiet to unsettled on May 7, 20, 25
quiet to active on May 8 - 9, 15 - 19
active to disturbed on May 12 - 13
disturbed on May 14
Amplifications of the solar wind are still mostly
unpredictable,
but some peaks are expected on May 3 - 5, 14 - 18, 20 -
22,
30 - 31 and June 1.
Remarks:
- Reliability of predictions is still reduced,
disturbance rate
is and remains elevated.
- Parentheses indicate a lower probability of increased
activity.
F. K. Janda, OK1HH
Czech Propagation Interested Group
(OK1HH & OK1MGW, weekly forecasts since 1978)
e-mail:
ok1hh(at)rsys.cz