Space Weather / Geomagnetic Storms
G4 Geomagnetic Storm Watch: Aurora Potential and Impacts
A G4 (Severe) geomagnetic storm watch has been issued for January 20, 2026, due to the arrival of a coronal mass ejection (CME). This CME, originating from a strong solar flare on January 18, may bring aurora visibility as far south as Nort...