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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2021-05-26T11:37Z ( DSCOVR: PLASMAG ) Quality of ICME Signature: 2 (clear signatures) Note: Sudden magnetic field increase to 7.5 nT, exceeding 10 nT at 2021-05-26T12:35Z, and eventually reaching 16.8 nT at 2021-05-26T16:27Z. Accompanied by sudden increases in solar wind ion density, speed, and temperature, which begin to decrease slightly at around 2021-05-26T12:34Z. Field component rotations visible in DSCOVR magnetic field data beginning 2021-05-26T11:47Z, indicating the presence of a flux rope. This is a complex arrival signature comprising at least two magnetic shocks (at 11:37Z and 16:15Z), and may be associated with both the triplet of CMEs detected on 2021-05-22 and the triplet of CMEs detected on 2021-05-23, each of which was modeled with a combined leading edge. Submitted on 2021-05-26T21:14Z by Robert Loper A Notification with ID 20210526-AL-001 was sent on 2021-05-26T13:42Z |
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