An intense solar flare on 11 November 2025, followed by a fast coronal mass ejection (~1,500 km/s), has sparked geomagnetic storms, widespread auroras and warnings of GNSS, HF and satellite disruptions. The ISS's three Russian cosmonauts sheltered overnight and at least one commercial launch was delayed.
Discovered |
Briefing
Space-weather operational impacts: ESA observed an intense flare and a CME with initial speed ~1,500 km/s; the event prompted on‑station sheltering for ISS crew and at least one commercial launch delay (see Blue Origin's launch hold: https://hype.aero/?story=d0d6ebb0-cba4-46f9-8ed0-035b2bee8a0d).
Satellite and comms vulnerability: ESA warned of potential impacts to satellites, GNSS and HF communications — disruptions that affect positioning, timing and critical links for aviation, defense and space operators (see ESA alert: https://hype.aero/?story=af6ac66e-d45c-4a7f-b072-f6d14d7503f4).
Resilience and preparedness signal: the event validates recent policy moves to harden operations — including ESA's new requirement for solar‑storm simulations for satellite operators — and highlights the need to exercise contingency plans for launches and on‑orbit assets (see ESA simulation requirement: https://hype.aero/?story=39d689d2-0f77-4129-bc71-c40dc12ecdb9).
Reported By
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Solar storm forces ISS crew to shelter as global auroras light the skies • Satellite News Network
Space.com
• Josh Dinner
Northern Lights Are Beautiful, but for Satellites They’re Risky • New York Times