12/25/2013 05:00:00 UTC

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Comment Section

  • Weak but clear magnetic cloud structre. Velocity profile shows gradual decline indicating expansion and magnetic field shows signs of rotation in both x and y directions. The solar counterpart for this event isn't obvious, but given the rather slow bulk speed at 1 AU (< 300 km/s) a Halo CME on the 19th is a possibility. (Hess)

Image Data

In-Situ Data

A combination of SWEPAM and MAG data from the ACE Satellite:
Plot sw mag plasma 2013122500.png Plot sw mag 2013122500.png Plot sw vel 2013122500.png
The blue lines are an approximation of the CME cloud and the red line denotes the shock.

Video Data