DONKI Header

CCMC DONKI

DONKI: Menu Page

Go to:

DONKI: View SW Activity

Interplanetary Shock (or CME Arrival)
Catalog: M2M_CATALOG
Location: Earth
Event Time: 2026-08-02T11:28Z ( SOLAR-1: MAG )

All Detecting Spacecrafts:

SOLAR-1: MAG

ACE: SWEPAM

ACE: MAG

SOLAR-1: SWiPS

IMAP: MAG

IMAP: SWAPI

Activity ID: 2026-08-02T11:28:00-IPS-001 (version 3)
Quality of ICME Signature: 2 (clear signatures)
Note: Characterized by a sharp increase in magnetic field components with Btotal jumping from ~4.4nT to ~14.3 at 2026-08-02T11:28Z, reaching a maximum B_total of 21.5nT at 2026-08-02T14:56Z and maximum southward B_z of -17.41nT at 2026-08-02T15:02Z. There is a corresponding sharp increase in speed observed from ~290 km/s to ~360 km/s, reaching a maximum speed ~430 km/s. Temperature also increases from ~34,000 K to ~313,000 K further reaching ~479.6k K, with density increasing from ~3 p/cc to ~37 p/cc. This signature is associated with the arrival of CME: 2026-07-30T16:53Z.

Version 1 submitted on 2026-08-02T12:03Z by Elizabeth Juelfs
Version 2 submitted on 2026-08-02T20:08Z by Carina Alden
Version 3 submitted on 2026-08-04T19:11Z by Tony Iampietro

A Notification with ID 20260802-AL-001 was sent on 2026-08-02T12:10Z

All directly linked activities:

2026-07-30T16:53:00-CME-001

2026-08-02T15:00:00-GST-001
NOAA Kp: 5.67 (2026-08-02T18:00Z)

2026-08-02T16:12:00-MPC-001

Comments by users:

0 comment received.

Insert title here

The Moon to Mars Space Weather Analysis Office and other entities provide data to DONKI as a courtesy to the community.
By visiting this site, you acknowledge that you understand and agree to the Important Disclaimer Notice

If you are looking for the official U.S. Government forecast for space weather, please go to NOAA's Space Weather Prediction Center (https://swpc.noaa.gov). This "Experimental Research Information" consists of preliminary NASA research products and should be interpreted and used accordingly.

Curator: Chiu Wiegand | NASA Official: Dr. Masha Kuznetsova | Privacy and Security Notices | Accessibility | CCMC Data Policy