Tag: g3_storm

NOAA: Strong Geomagnetic Storm Hit Earth as Solar Radiation Storms Persist

11 Oct 2026 11:59 p.m. · Source: NOAA

NOAA reports R1 and R2 solar radiation storms plus G1 to G3 geomagnetic storms from October 5-11, with a minor G1 geomagnetic storm expected on October 13.

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NOAA Warns of G3 Geomagnetic Storm

5 Jun 2026 1:18 p.m. · Source: NOAA

NOAA has issued a G3-level geomagnetic storm warning, expecting a K-index of 7 or greater. The warning is valid for June 5, 2026, from 1714 UTC to 2359 UTC, indicating potential impacts on Earth's magnetic field.

Science & Technology Weather Astronomy and Space Environment General Weather NOAA Geomagnetic Storm Space Weather K-index G3 Storm Warning Earth's Magnetic Field Solar Flares