Northern lights could be visible over mid-latitudes across the US and Europe on July 30. A geomagnetic storm watch has been issued by NOAA's Space Weather Prediction Center.

Aurora alert: Strong geomagnetic storm could spark northern lights at mid-latitudes across US and Europe

Source: space
Source Link: https://www.space.com/aurora-alert-northern-lights-july-mid-latitudes-us-europe-cannibal-cme