Overview
- Germany’s weather service confirmed a geomagnetic storm produced the display, and NOAA rated it a strong G4 event.
- Auroras were reported across wide areas, including Berlin and Brandenburg as well as Leipzig, Dresden and Braunschweig.
- Activity peaked near a Kp index of about 8.3, indicating an unusually powerful disturbance for this solar cycle.
- Spaceweather reported the solar eruption’s cloud crossed the Sun–Earth distance in roughly 25 hours, much faster than typical.
- Officials cautioned about potential effects on satellites and GPS, while ground visibility hinged on dark, clear skies and was hampered by urban light pollution, particularly in NRW.