UPDATED (Oct. 11): The National Oceanic and Atmospheric Administration (NOAA) has upgraded its G4-level "severe" geomagnetic storm watch to a G3-level "strong" geomagnetic storm warning after an anticipated coronal mass…
UPDATED (Oct. 11): The National Oceanic and Atmospheric Administration (NOAA) has upgraded its G4-level "severe" geomagnetic storm watch to a G3-level "strong" geomagnetic storm warning after an anticipated coronal mass…