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High Speed Stream
Catalog: M2M_CATALOG Event Time: 2025-02-26T12:36Z ( DSCOVR: PLASMAG ) Event End Time: Peak Solar Wind Speed (km/s): Date of first appearance of coronal hole in EUV at east limb: Note: Sudden increase in solar wind speed from 400 km/s to 500 km/s, eventually reaching sustained speeds of 570 km/s. Simultaneous sudden increase in temperature, which remains elevated. Accompanied by a steady increase in density, which remains elevated. Source is a large coronal hole, spanning from N30 to S10, and about 20 degrees of longitude, seen crossing central meridian on 2025-02-25. Submitted on 2025-02-27T13:02Z by Hannah Hermann No Notification has been sent for this activity yet. |
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