Space Weather Events
Coronal mass ejection — 2026-10-22 20:12 UTC
Thin CME observed to the NNE in SOHO LASCO C2/C3 and GOES CCOR-1, not observed in STEREO A COR2 with a data gap starting at 2026-10-22T17:23Z. The source is likely far-sided, only potentially visible as faint field line motion over the N limb in GOES SUVI 284 around 2026-10-22T19:18Z.
| Event type | Coronal mass ejection |
|---|---|
| Date | |
| Flare class | — |
| CME speed | 561 km/s |
| CME analyses | 1 |
| Linked events | — |
| Instruments | SOHO: LASCO/C2, SOHO: LASCO/C3, GOES: CCOR-1 |
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) | 2026-10-23T02:34Z | 561 | 13 | 68 / — | C | 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 | 22 Oct 2026, 20:02 EDT |
| Last observed here | 13 Nov 2026, 19:00 EST |
| In latest snapshot | Yes |
| Record identifier | a00b8149-91b2-5c1b-98af-b2113fc82b97 |
Local observation history
What this site observed; not complete provider history.
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