Severe ‘Cannibal’ Solar Storm Hits Earth Today (12 November 2025): NOAA Confirms G4 Levels, ESA Warns of Third CME; UK on Highest Alert and NASA Delays Launch
Published: 12 November 2025 A powerful burst of space weather is sweeping across Earth today, disrupting radio communications, degrading GPS accuracy and setting the stage for another night of widespread aurora. The U.S. National Oceanic and Atmospheric Administration (NOAA) confirms G4 “severe” geomagnetic storm levels were reached early on Wednesday, while the European Space Agency (ESA) says a third coronal mass ejection (CME) could arrive late tonight or early Thursday—potentially prolonging disruptions. In the UK, the British Geological Survey (BGS) has upgraded its forecast to the highest intensity, warning this could be the biggest solar storm to affect Britain in