Space Weather Events
Coronal mass ejection — 2026-10-01 02:36 UTC
Faint CME observed to the NE in SOHO LASCO C2/C3, GOES CCOR-1. May be observed to the NE in STEREO A COR2, but difficult to reliably resolve in white light imagery. The source is likely far-sided, only observed as weak field line movement over the NE limb in SDO AIA 171 starting as early as 2026-10-01T00:25Z.
| Event type | Coronal mass ejection |
|---|---|
| Date | |
| Flare class | — |
| CME speed | 476 km/s |
| CME analyses | 2 |
| 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) | 2026-10-01T11:32Z | 419 | 7 | 38 / — | S | StereoCAT | — |
| #2 (opens in a new tab) Most accurate (DONKI) | 2026-10-01T10:36Z | 476 | 10 | 36 / -82 | 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 | 12 Oct 2026, 20:02 EDT |
| Last observed here | 14 Oct 2026, 22:53 EDT |
| In latest snapshot | Yes |
| Record identifier | 318cd33b-d572-5f8e-9e9f-067798f3d376 |
Local observation history
What this site observed; not complete provider history.
- — Added