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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG Location: Earth Event Time: 2022-05-08T06:24Z ( DSCOVR: PLASMAG ) Quality of ICME Signature: 0 (weak signatures) Note: Sudden but weak increase in Bt, accompanied with By-Bz component rotation (max Bt is around 8.5 nT), followed by possible dropout in GOES energetic electron flux. No sign of a SSBC (phi angle is consistently in the same sector), and there's no real CH HSS candidate except patchy equatorial bits. Because the L1 solar wind is otherwise quiet, we can see an associated pileup beginning around 2022-05-08T08:03Z. The speed and temperature increase, but they're still pretty low at around 330-340 km/s and 25-35 kK, so these are inconclusive. There are potential signs of sheath and flux rope (2022-05-08T06:24Z and 2022-05-08T12:43Z) and/or other complicated signature. Submitted on 2022-05-08T14:49Z by Robert Loper No Notification has been sent for this activity yet. |
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