
A “strong” G3 geomagnetic storm is arriving today December 9th, Northern Lights in Italy? NOAA forecasts
Possible G3 class geomagnetic storm. A category G3 geomagnetic stormthat is to say “strong” according to the official classification – which goes from G1 and G5 – could affect the Earth today, December 9. As reported by NOAA’s Space Weather (National Oceanic and Atmospheric Administration), it was caused by acoronal mass ejection (CME) towards Earth, which occurred last December 6 ...








