Space Weather Events
Coronal mass ejection — 2026-11-09 10:53 UTC
Faint CME observed to the W only in STEREO A COR2 before a data gap begins at 2026-11-09T11:38Z, or in SOHO LASCO C2/C3 and GOES CCOR-1 at all. No source is observed for this CME in available imagery.
| Event type | Coronal mass ejection |
|---|---|
| Date | |
| Flare class | — |
| CME speed | 299 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) | 2026-11-09T22:29Z | 299 | 35 | -12 / — | 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 | 9 Nov 2026, 19:00 EST |
| Last observed here | 12 Nov 2026, 19:01 EST |
| In latest snapshot | Yes |
| Record identifier | b9454fa4-623d-54b6-80c6-5c0d60e7d8a1 |
Local observation history
What this site observed; not complete provider history.
- — Added