GEOMAGNETIC STORM WATCH: Earth’s magnetic field is reverberating from an unexpected CME impact on May 6th, which sparked a G2-class geomagnetic storm. Another CME is following close on its heels. A second impact expected on May 7th or 8th could bring renewed geomagnetic storming with auroras across parts of Europe, Canada, and northern-tier US States. Full story @ Spaceweather.com.

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Above: Auroras over Gayford Pond (near Calgary, Alberta) following a CME strike on May 6th. Credit: Harlan Thomas