domenica 31 maggio 2015

Solar & Geomagnetic activity forecast for the period May 31 - June 26, 2015

P.I.G. Bulletin 150530

Solar & Geomagnetic activity forecast
for the period May 31 - June 26, 2015

Solar activity will continue to fluctuate at solar flux 90 - 130 s.f.u. during next few weeks. Irregular occurence of C class flares is expected. Only very exceptionally are possible M class flares, while X class flares are not expected at all.

Geomagnetic field will be:
quiet on June 4, 11 - 13, 17 - 21 
mostly quiet on May 31, June 10, 26 
quiet to unsettled on June 5 - 7, 14, 22 
quiet to active on June 1, 3, 16, 23 - 24 
active to disturbed on June 2, 8, 15, 25 
disturbed on June 9 

Amplifications of the solar wind are expected on (May 31,) June 12, (16 - 17, 26).

Remark:
- Reliability of predictions remains more reduced than before.

F. K. Janda, OK1HH
Czech Propagation Interested Group
(OK1HH & OK1MGW, weekly forecasts since 1978)
e-mail: ok1hh(at)rsys.cz