Research context
Space Weather Event Timeline
Event timelines can explain solar flares, CMEs and modelled arrivals, but they are not official warnings or guaranteed impacts.
Source version: GreenHalos Master Specification 1.0 ·
First-party research-event data
Research-context events
Verifying the public cost-safety mode before loading research-event data…
NASA CCMC DONKI provides research and event context. For the official U.S. operational space-weather forecast, use NOAA Space Weather Prediction Center. Modelled arrival times are estimates, not guaranteed Earth impacts or local aurora times.
Event context: NASA CCMC DONKI. Processing and visualisation: GreenHalos. For operational forecasts and warnings, use NOAA SWPC.
NASA DONKI role
NASA CCMC DONKI can supply near-real-time research and event context for CMEs, flares, geomagnetic storms, interplanetary shocks and linked model analyses. Every DONKI item remains labelled research context.
Operational authority
For the official U.S. operational space-weather forecast, GreenHalos links NOAA Space Weather Prediction Center. It never calls DONKI an official forecast or turns a model-estimated arrival into a guaranteed local aurora time.
Failure isolation
If event context is unavailable, NOAA operational forecasts and the rest of the site remain usable. A NASA source failure never erases NOAA data, and an event timeline never blocks static educational or legal content.