Space Weather Events
Coronal mass ejection — 2026-10-27 06:48 UTC
Narrow CME visible to the NNE in SOHO LASCO C2/C3 and GOES CCOR-1 and the NE in STEREO A COR2. The potential source may be a faint filament eruption best seen starting around 2026-10-27T02:16Z in GOES SUVI 304 imagery. Post-eruption dimming can also be seen in SDO AIA 193 centered around N40E20.
| Event type | Coronal mass ejection |
|---|---|
| Date | |
| Flare class | — |
| CME speed | 260 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) | 2026-10-27T20:14Z | 260 | 15 | 46 / -13 | S | SWPC_CAT | — |
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 | 27 Oct 2026, 20:00 EDT |
| Last observed here | 13 Nov 2026, 19:00 EST |
| In latest snapshot | Yes |
| Record identifier | 324f7cc8-bf4d-5257-a4a5-726a6d772fed |
Local observation history
What this site observed; not complete provider history.
- — Added