Tag: wark07

NOAA Warns of G3 Geomagnetic Storm as K-Index 7 Expected

10 Oct 2026 1:43 p.m. · Source: NOAA

NOAA issues a geomagnetic K-index warning for 7 or greater, forecasting a G3 strong storm from 1742 UTC to 2359 UTC on October 10, 2026.

Science & Technology Weather Environment Astronomy and Space General Weather NOAA geomagnetic storm K-index G3 space weather WARK07 Space Weather Prediction Center Solar Flares