G3 (Strong) Geomagnetic Storm conditions to occur on January 9 and 10(swpc.noaa.gov)1 points·by marasal·13 anni fa·0 commentsswpc.noaa.govG3 (Strong) Geomagnetic Storm conditions to occur on January 9 and 10http://www.swpc.noaa.gov/0 commentsPost comment—