Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.
Aurora alert! Butterfly-shaped 'hole' in sun's atmosphere could spark geomagnetic storm Sept. 13-14
Source: space
Source Link: https://www.space.com/stargazing/auroras/aurora-alert-butterfly-shaped-hole-in-suns-atmosphere-could-spark-geomagnetic-storm-sept-13-14