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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2021-03-26T21:35Z ( DSCOVR: PLASMAG ) Quality of ICME Signature: 0 (weak signatures) Note: CME signature is not clear and it may be combined with a stream interaction region. Arrival time was difficult to select. We discussed it with GSFC ICME experts for clarification. From Dr. Lan Jian: There is a magnetic obstacle from Mar 26 21:35 to Mar 27 14:40, characterized by some non-smooth field rotations, increased B, declining speed, and low Tp. I selected the boundaries based on the sharp changes of total B, but there are boundary layers at its two sides. After it, there is a stream interaction region, in which the “fast” wind speed is not that fast (less than 450 km/s), and the stream interface is at 22:48 on Mar 27. Version 1 submitted on 2021-03-29T17:55Z by Robert Loper Version 2 submitted on 2021-03-29T18:00Z by Robert Loper Version 3 submitted on 2021-03-29T18:01Z by Robert Loper Version 4 submitted on 2021-03-29T18:02Z by Robert Loper Version 5 submitted on 2021-03-30T17:09Z by Robert Loper Version 6 submitted on 2021-03-30T18:19Z by Yaireska ColladoNo Notification has been sent for this activity yet. |
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