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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2025-03-04T17:10Z ( ACE: SWEPAM ) Quality of ICME Signature: 2 (clear signatures) Note: Characterized by a slow rise in Bt from around 4nT to a peak of 8.9nT at 2025-03-05T22:23Z. Bz largely swings between northward and southward throughout the signature, briefly sustaining southward around -7.5nT from 2025-03-05T19:38Z-2025-03-05T21:58Z. An small sustained increase in wind speed from around 460km/s to 490km/s is observed alongside an initial temperature and density bump. Speed and temperature slowly decrease as the signature plays out and density slowly increases. This is likely the expected glancing blow of CME 2025-03-01T18:24Z, anticipated at L1 at 2025-03-04T16:00Z (+- 7 hours). Submitted on 2025-03-05T18:00Z by Tony Iampietro No Notification has been sent for this activity yet. |
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