G1-class geomagnetic storms are underway

Space Weather News for Sept. 17, 2021 https://spaceweather.com https://www.spaceweatheralerts.com A CME HIT EARTH'S MAGNETIC FIELD TODAY: Minor G1-class geomagnetic storms are underway on Sept. 17th following the predicted arrival of a CME. The strike was, at first, seemingly weak and inconsequential. Now, however, Earth is passing through the CME's magnetized wake and experiencing geomagnetic disturbances. If storm conditions persist, auroras could become visible in northern-tier US states after nightfall. Full story @ Spaceweather.com. Solar Flare Alerts: Sign up for Space Weather Alerts and get instant text notifications when solar flares are underway. Above: The afterglow of the CME impact on Sept. 17, 2021. Photo credit: Marketa Murray of Fairbanks, AK. Share Tweet Forward Copyright © 2021 Spaceweather.com, All rights reserved. You are subscribed to the Space Weather mailing list, a free service of Spaceweather.com Want to change how you receive these emails? You can update your preferences or unsubscribe from this list