Australia’s Space Weather Services issued a geomagnetic disturbance warning at 2224 UTC on December 17. It read in part, “Two coronal mass ejections observed Dec 16 are expected to impact the Earth in sequence late Dec 18 to early Dec 19. Brief minor to major geomagnetic storm conditions may result.”
For December 18 they predicted quiet to active conditions, and on December 19 active to minor st...
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For December 18 they predicted quiet to active conditions, and on December 19 active to minor st...
Continue reading...