Space Weather Database Of Notifications, Knowledge, Information (DONKI)
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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2022-11-17T02:58Z ( ACE: SWEPAM ) Quality of ICME Signature: 0 (weak signatures) Note: Possible weak arrival of a CME predicted to arrive at L1 as a glancing blow/minor impact. ICME signature description (courtesy of Tarik Mohammad, LASSOS team: there can be two possible ICME start times on 11-17: the first one is around 2022-11-17T02:58Z. The choice of this start time is based on Bz becoming positive from negative and the start of rotations (not exactly smooth) in the field components. This start time also coincides with a drop in proton density. Another choice of start time can be 2022-11-17T11:36Z when both Bx and By change signs. This also corresponds to another drop in proton density and the speed profile exhibiting expansion (see the decreasing speed). This CME seems to interact with the CME arriving on 11-18; because of this the end of this first ICME is not distinguishable. Submitted on 2022-11-24T02:35Z by Anna Chulaki No Notification has been sent for this activity yet. |
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