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High Speed Stream
Catalog: M2M_CATALOG
Event Time: 2025-06-14T01:49Z ( DSCOVR: PLASMAG )

All Detecting Spacecrafts:

DSCOVR: PLASMAG

ACE: SWEPAM

ACE: MAG

Activity ID: 2025-06-14T01:49:00-HSS-001 (version 4)
Event End Time:
Peak Solar Wind Speed (km/s): 580.0
Date of first appearance of coronal hole in EUV at east limb: 2025-06-07
Note: Characterized by an increase in solar wind speeds from ~430km/s to ~542km/s and solar wind temperature from ~115,000 Kelvin to ~412,000 Kelvin based on DSCOVR data. The large candidate coronal hole can be seen starting to cross the central meridian on 2025-06-11 and is centered around latitude S35.

Version 1 submitted on 2025-06-14T13:06Z by Carina Alden
Version 2 submitted on 2025-06-14T21:41Z by Mary Aronne
Version 3 submitted on 2025-06-17T15:48Z by Mary Aronne
Version 4 submitted on 2025-06-17T15:48Z by Mary Aronne

No Notification has been sent for this activity yet.

All directly linked activities:

2025-06-13T22:20:00-IPS-001
Location: Earth

2025-06-17T12:55:00-RBE-001

2025-06-21T14:30:00-RBE-001

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