![](https://www.swpc.noaa.gov/sites/default/files/styles/pad_sides_large/public/top_news/G3_warning1.jpg?itok=ItQPO5YV)
G3 (Strong) Geomagnetic Storm Levels Observed
G3 (Strong) geomagnetic storm levels were observed at 0559 UTC & 0738 UTC on 26 Aug. A G3 (Strong) Warning is in effect until 26/1200 UTC due to persistent activity caused by the 20 August coronal mass ejection.