CME hits Earth magnetic field producing G3 – strong geomagnetic storms and bright auroras


A CME hit Earth’s magnetic field on May 27th with a day of delay.

At first, the seemingly weak impact barely disturbed our planet’s magnetic environment. Then the storms began and managed to spark G3 – Strong geomagnetic storms and bright auroras.

As Earth passed through the CME’s wake, energetic particles poured through a crack in Earth’s magnetosphere, sparking strong G3-class geomagnetic storms and bright auroras. Here some displays recorded around the world:

You can watch more pictures of the amazing auroras produced around the world here.

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Surprise aurora phenomenon in Cape Cod on May 27 2017 just after G3 geomagnetic storms. By Chris Cook via Space Weather

The aurora show is not over. Earth is still inside the CME’s wake, and G1-class storms are underway on May 28th. High-latitude sky watchers should remain alert for auroras.

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