CME and Solar Radiation Storm

Source - Space Weather News for May 22, 2013: http://spaceweather.com

SIGNIFICANT EXPLOSION: A solar radiation storm is in progress on May 22nd following an M5-class solar flare on the sun's western limb.  The explosion not only accelerated a hailstorm of protons toward our planet, but also produced a magnificent CME, which might deliver a glancing blow to Earth's magnetic field in the days ahead.

Check http://spaceweather.com for more information and updates.