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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2023-12-01T08:48Z ( DSCOVR: PLASMAG ) Quality of ICME Signature: 2 (clear signatures) Note: Arrival signature characterized by sudden amplification of already elevated magnetic field from 15 to 28nT, followed by several hours of negative Bz as low as -28nT. Accompanied by a jump in solar wind speed from 450 to 500 km/s and eventually 550 km/s, and by a steep increase in ion density to over 50 particles/cc. The pileup is followed after 2023-12-01T20Z by the arrival of magnetic cloud characterized by smooth rotation of field components and an initial period of several hours of negative Bz. Submitted on 2023-12-06T03:58Z by Anna Chulaki A Notification with ID 20231201-AL-004 was sent on 2023-12-01T12:43Z |
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