Space Weather Events
Coronal mass ejection — 2026-10-28 11:12 UTC
Faint CME observed to the SW in SOHO LASCO C2/C3 and GOES CCOR-1, also very faintly observed to the SW in STEREO A COR2, becoming more defined as it travels further into each coronagraph's field-of-view. The source is likely former AR 14561, located around S10W95 at this time. There is no distinct, clean eruption associated with this CME, but rather slow field line movement and brightening from this region of the disk in GOES SUVI 284 starting around 2026-10-28T09:46Z, also observed as some field line movement and brightening near AR 14561 in STEREO A EUVI 195.
| Event type | Coronal mass ejection |
|---|---|
| Date | |
| Flare class | — |
| CME speed | 329 km/s |
| CME analyses | 1 |
| Linked events | — |
| Instruments | SOHO: LASCO/C2, SOHO: LASCO/C3, STEREO A: SECCHI/COR2, 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) | 2026-10-28T21:34Z | 329 | 10 | -14 / 95 | S | SWPC_CAT | Shock arrival not predicted; Earth glancing blow: no run (opens in a new tab) |
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 | 28 Oct 2026, 20:01 EDT |
| Last observed here | 12 Nov 2026, 19:01 EST |
| In latest snapshot | Yes |
| Record identifier | e5fbd777-7f06-5ccc-9798-a62d7e91f3af |
Local observation history
What this site observed; not complete provider history.
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