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Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG
Location: STEREO A
Event Time: 2026-07-13T12:30Z ( STEREO A: IMPACT )

All Detecting Spacecrafts:

STEREO A: IMPACT

STEREO A: PLASTIC

Activity ID: 2026-07-13T12:30:00-IPS-001 (version 2)
Quality of ICME Signature: 1 (lacks some signatures)
Note: Characterized by an enhancement in magnetic field components (B_t: approx. 2nT to 8nT, eventually rising to 10nT ; B_x: approx. 3nT to -2nT, eventually reaching -10nT ; approx. -5nT to 2nT, eventually reaching 8nT ; B_z: approx. -5nT to 5nT, eventually reaching -10nT) along with enhancements in velocity (approx. 400km/s to 600nT) and density (approx. 1p/cc to 5p/cc, before dropping to 0.5 p/cc with likely flux rope passage). This signature is likely caused by the arrival of CME: 2026-07-10T15:53Z.

Version 1 submitted on 2026-07-13T20:26Z by Melissa Kane
Version 2 submitted on 2026-07-15T16:15Z by Mary Aronne

No Notification has been sent for this activity yet.

All directly linked activities:

2026-07-10T15:53:00-CME-001

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