8 () posted 270 days ago by clearsmoke 270 days ago by clearsmoke +9 / -1 9 comments share 9 comments share save hide report block hide replies
At an k index of 5: https://www.swpc.noaa.gov/products/alerts-watches-and-warnings https://www.swpc.noaa.gov/products/planetary-k-index
Edit: stormy pictures: https://www.esa.int/Science_Exploration/Space_Science/Live_view_of_the_Sun_from_SOHO
Video above Alaska: https://earthsky.org/sun/sun-news-activity-solar-flare-cme-aurora-updates/