Aurora Alert: Major Geomagnetic Storm Sept 15

ALERT 🚨 A geomagnetic storm with a K-index of 7 or greater (NOAA G3 or higher) is expected between 02:54 and 09:00 UTC on September 15, 2025, potentially causing power system voltage irregularities, spacecraft surface charging and increased satellite drag, intermittent GPS navigation and HF radio disruptions, and auroras visible as far south as Pennsylvania, Iowa, and Oregon.