Back to the archive
The Halloween Solar Storms
October 28, 2003Geomagnetic StormKp 9
What happened
A record-shattering sequence of solar flares, including an estimated X28+ event so intense it saturated the GOES X-ray sensors, produced severe geomagnetic storms that damaged satellites, forced airline route changes to avoid radiation exposure, and triggered a power outage in Sweden.
Track today's real-time conditions
Year: 2003