Space Weather Database Of Notifications, Knowledge, Information (DONKI)
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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2024-07-04T09:23Z ( DSCOVR: PLASMAG ) Quality of ICME Signature: -1 (unspecified) Note: Characterized by an amplification of magnetic field components with Btotal increasing from 3nT at 2024-07-04T00:47Z to 10nT at 09:59Z. Starting on 2024-07-03T02:45Z there was a separate, more minor amplification of magnetic field components which may have been associated with a glancing blow arrival from CME: 2024-06-29T04:00Z and/or CME: 2024-06-29T16:12Z. This earlier signature may have interacted with the second, more significant arrival observed at 2024-07-04T09:23Z. This more significant arrival was associated with a very minor increase in solar wind speed from 313 km/s at 08:23Z to 360 km/s at 15:02Z. An increase in density was observed as well, most notably increasing from 3 p/cc at 13:09Z to 11 p/cc at 11:77Z. This arrival may be associated with a glancing blow from CME: 2024-06-30T03:48Z. Submitted on 2024-07-04T17:33Z by Mattie Anastopulos No Notification has been sent for this activity yet. |
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