
Manolis Georgoulis
@manoliskg
Heliophysicist, interested in solar magnetism, solar eruptions and space-weather forecasting. Own views expressed.
ID: 1901002424
https://www.researchgate.net/profile/Manolis_Georgoulis 24-09-2013 16:13:50
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NOAA AR 13644 is a rare sight - I haven't seen anything like that since Sep 2017, with two X5+ flares within 4 days. With a huge Beff of the order 6 kG and a 1-8 A background at middle M-class, all bells of ESA Space Weather A-EFFort service are off - expect major activity!
