Space Weather Database Of Notifications, Knowledge, Information (DONKI)
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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2023-02-20T09:52Z ( DSCOVR: PLASMAG ) Quality of ICME Signature: -1 (unspecified) Note: A sharp increase in magnetic field to ~14 nT, accompanied by a jump in ion density to over 17 particles/cm^3 and of solar wind speed from 370 to 430 km/s. Overnight (during the night time data gap) at STEREO A there has been a corresponding increase in total magnetic field (measuring 13nT at 2023-02-20T09Z after the end of the data gap), indicating a likely CME arrival during the data gap as well. Submitted on 2023-02-20T12:16Z by Anna Chulaki A Notification with ID 20230220-AL-001 was sent on 2023-02-20T12:31Z |
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