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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2024-08-04T13:21Z ( DSCOVR: PLASMAG ) Quality of ICME Signature: 2 (clear signatures) Note: A clear ICME arrival with a shock. The time on this IPS has been updated from the original 2024-08-04T04:48Z (which was mentioned in the IPS notification) to 2024-08-04T13:21Z based on the analysis of this arrival signature by the LASSOS team (Carlos Perez Alanis). During the shock B total reaches 19.5 nT and density gets increased to 20p/cc, followed by a period of significant negative Bz, reaching -17nT. This signature of ICME shock is preceded by a less clear disturbance in the magnetic field at L1 with Btotal increasing from 8nT at 2024-08-04T04:48Z to 15nT at 06:11Z followed by a protracted period of negative Bz. Submitted on 2024-08-12T15:54Z by Anna Chulaki A Notification with ID 20240804-AL-001 was sent on 2024-08-04T12:31Z |
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