12/21/2014 18:30:00 UTC

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Comment Section

  • Pretty clear shock signature on the 21st along with what looks like a very strong shock on the 23rd, with another possible shock in between the two. The magnetic field shows signs of rotation, indicating a possible magnetic cloud. The high velocity following the event could mean that some of these signatures are CIR related. My initial thoughts are that this was a CME being pushed by a fast speed stream with a CIR compressing the flux rope (Hess)

Image Data

A combination of SWEPAM and MAG data from the ACE Satellite:
Plot sw mag plasma 2014122100.png Plot sw mag 2014122100.png Plot sw vel 2014122100.png
The blue lines are an approximation of the CME cloud and the red line denotes the shock.

Video Data

References