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CME IMPACT SPARKS AURORAS: A minor CME hit Earth's magnetic field on February 7th. The light show it produced was anything but minor. "BANG!" says Truls Tiller of Tromsø, Norway. "The sky exploded in auroras." In every direction he turned, he saw a scene like this:

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"I could hardly decide which direction to point my camera," he says. "The sky was filled with light for more than four hours."

More auroras are in the offing. A solar wind stream is expected to reach Earth this weekend even as Earth's magnetic field continues to reverberate from the Feb. 7th CME impact. NOAA forecasters estimate a 60% chance of polar geomagnetic storms on Feb. 8-9.

Quelle: Spaceweather