Graphic showing Geomagnetic Storms levels from Oct 19 to Nov 7, 2003 G-level was at G5 on Oct 29 and 30.

Notices where this attachment appears

1. Embed this notice
   AkaSci 🛰️ (akasci@fosstodon.org)'s status on Saturday, 11-May-2024 11:51:03 JST AkaSci 🛰️

   in reply to

   The other more recent major event was the Halloween solar storms of 2003.

   A series of solar flares and CMEs from mid-Oct to early Nov, peaking around Oct 28–29, caused wide ranging impacts -
   - Power outages in Sweden
   - ~59% of the Earth and Space science missions were impacted.
   - Temp failure of the SOHO satellite
   - Damage to the Advanced Composition Explorer (ACE)
   - Loss of ADEOS-2 satellite
   - A majority of LEO satellites were temporarily lost
   - Orbit changes

   https://www.weather.gov/media/publications/assessments/SWstorms_assessment.pdf
   8/n