Spaceweather.

A CME PASSED BY EARTH YESTERDAY: During the late hours of March 10th, a CME passed by Earth. The near miss sparked auroras in Northern Europe.. Another CME is coming, but it won't miss. Details below:

THE NEXT CME WON'T MISS: A full-halo CME is heading directly for Earth. ETA: March 13th. Coronagraphs onboard the Solar and Heliospheric Observatory recorded the storm cloud leaving the sun just hours ago.
This CME is the result of a long duration C2-class solar flare near sunspot AR2962. Normally, C-class flares are not considered to be strong. However, this one lasted nearly 12 hours allowing it to pump plenty of energy into the CME.

Moderately-strong G2-class geomagnetic storms are possible when the CME arrives. NOAA analysts are modeling this CME now, and improved predictions may be available soon?

Graham (G4FUJ)

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