Space Weather Events
Coronal mass ejection — 2026-11-12 01:53 UTC
CME first seen to the W part way into the FOV of STEREO A COR2 following a real-time data gap that ended at 2026-11-12T01:53Z. The source may be related to some "flickering" seen beyond the WSW limb in STA EUVI after a real-time data gap ending at 2026-11-12T01:55Z.
| Event type | Coronal mass ejection |
|---|---|
| Date | |
| Flare class | — |
| CME speed | 327 km/s |
| CME analyses | 1 |
| Linked events | — |
| Instruments | STEREO A: SECCHI/COR2 |
Research information from NASA DONKI, not an operational warning. NOAA SWPC is the official US source of space weather forecasts.
CME analyses
| Analysis | Time at 21.5 R☉ (UTC) | Speed (km/s) | Half angle (°) | Lat / lon (°) | Type | Technique | Model runs (WSA-ENLIL) |
|---|---|---|---|---|---|---|---|
| #1 (opens in a new tab) Most accurate (DONKI) | 2026-11-12T11:57Z | 327 | 15 | -5 / — | S | Plane-of-sky | — |
Analyses are measurements and modelled predictions submitted to DONKI; the "most accurate" mark is DONKI's own.
Provenance
| Source | NASA DONKI — Space Weather Events |
|---|---|
| Feed | DONKI CME |
| Provider data as of | not stated |
| First observed here | 12 Nov 2026, 19:01 EST |
| Last observed here | 13 Nov 2026, 19:00 EST |
| In latest snapshot | Yes |
| Record identifier | fe4340af-2593-5365-99a0-cfd8ebe21a1d |
Local observation history
What this site observed; not complete provider history.
- — Added