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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2026-06-05T04:23Z ( ACE: MAG ) Quality of ICME Signature: 2 (clear signatures) Note: Characterized by an initial B_total spike from 7.8nT to 15.97nT, reaching a peak B_total so far of 18.8nT at 2026-06-05T05:24Z. B_z has been largely northward early in this signature, turning southward after 2026-06-05T10:07Z with a peak so far at -8.8nT at 2026-06-05T10:59Z. An initial increase in solar wind speed from ~400 km/s to ~550 km/s at the shock, decreasing down to ~450 km/s, and rising back up to ~550 km/s ~2026-06-05T10:00Z. An increase in density and temperature is observed with the initial shock, variable density but largely decreasing after. Temperature data rises quickly after ~2026-06-05T10:00Z in line with the second speed increase, and could be indicitive of coronal hole high speed stream influences mixed in with the CME arrivals. This shock is associated with one or all of CME: 2026-06-03T01:53Z, CME: 2026-06-03T07:23Z, and/or CME: 2026-06-03T11:48Z, signature is still developing and analysis is ongoing. Version 1 submitted on 2026-06-05T11:19Z by Tony IampietroA Notification with ID 20260605-AL-001 was sent on 2026-06-05T11:36Z |
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