Space Weather Database Of Notifications, Knowledge, Information (DONKI)
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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2025-04-01T17:29Z ( ACE: MAG ) Quality of ICME Signature: 1 (lacks some signatures) Note: Characterized by a shock in Btotal from 7.7nT to 11.7nT, Bz initially northward. Small shock in density and temperature observed as well, solar wind speed remains unchanged around 390 km/s. May potentially be associated with the arrival of CME: 2025-03-27T04:23Z at Earth or an eruption occurring on the central-western portion of the Earth-facing disk late on 2025-03-29 that was seen in EUV imagery without a clear CME. A similar signature is observed at STEREO A at 2025-04-01T14:49Z and may be related to this arrival. Submitted on 2025-04-02T12:40Z by Chris Stubenrauch A Notification with ID 20250401-AL-004 was sent on 2025-04-01T18:23Z |
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