Sam Warfel Posted January 25, 2022 Share Posted January 25, 2022 (edited) One of the several CMEs expected to deliver glancing blows just did. No solar wind speed increase, but the density jumped up dramatically, spiking at 65! And the BZ spiked south, peaking at -8. Not a big deal unless maybe you’re an Arctic Aurora watcher, but the solar wind density is quite impressive. I have theorized on my own that this is a result of the CME sweeping along the ambient wind to create something like a CIR, meaning we didn’t hit the actual CME, just a shock wave of it passing nearby. That would explain why the density spiked so high while the speed remained low, much like a CIR. Is that a possible explanation @Vancanneyt Sander? I’ll call it an MIR for cMe Interacting Region. Edited January 25, 2022 by Orneno Link to comment Share on other sites More sharing options...
Vancanneyt Sander Posted January 25, 2022 Share Posted January 25, 2022 looks more like CH influence that's kicking in, glancing blow could possible arrive tomorrow 1 Link to comment Share on other sites More sharing options...
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