Friday at Noon SWPC confirmed the geomagnetic storm had strengthened and indeed reached the G4 level. The event follows reports of at least seven massive solar flares or earth-directed Coronal ...

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Forecasters use a five-level scale to measure geometric storms, which are caused when coronal mass ejections release solar particles and electromagnetic radiation toward our planet. At a G4 ...

Forecasters use a five-level scale to measure geometric storms, which are caused when coronal mass ejections release solar particles and electromagnetic radiation toward our planet. At a G4, this one ...