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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG
Location: Earth
Event Time: 2025-07-01T10:30Z ( DSCOVR: PLASMAG )

All Detecting Spacecrafts:

DSCOVR: PLASMAG

ACE: SWEPAM

ACE: MAG

Activity ID: 2025-07-01T10:30:00-IPS-001 (version 1)
Quality of ICME Signature: -1 (unspecified)
Note: No clear shock is associated with this arrival but a minor amplification of magnetic field components is observed with Btotal increasing from 3nT at 2025-07-01T10:30Z to 6nT at 2025-07-02T04:06Z. A possible flux rope structure is observed starting at 2025-07-02T21:54Z where a slow rotation of magnetic field components is observed. Around the same time of the flux rope signature, an increase in density is observed, reaching about 20 p/cc. There is not much response in the solar wind speed, with only a minor increase observed from ~435 km/s at 2025-07-01T16:19Z to ~466 km/s at 2025-07-02T17:11Z. Additionally, no increases in temperature are observed. This signature may be associated with the glancing blow arrival of CME: 2025-06-27T11:00Z.

Version 1 submitted on 2025-07-03T16:36Z by Mattie Anastopulos

No Notification has been sent for this activity yet.

All directly linked activities:

2025-06-27T11:00:00-CME-001

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