Dashboard
The space weather of the last days in charts. Every point comes from the Space Data API: hover a chart for its value, quality flag and raw records, and click to open them in the data explorer.
Right now
Kp and storm level · last 30 days and NOAA's 3-day forecast
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How good are the forecasts? · each scored on the version first published
When NOAA gives a sunspot region a 30 % chance of an M-class flare, does one follow 3 times in 10? Points on the diagonal are reliable; below it the forecast was too high, above it too low.
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Kp forecasts against doing nothing · NOAA and GFZ, last 30 days
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Does the solar wind at Earth line up with the response? · coupling against Hp30, by lag
CME arrival at Earth· our drag-based model, with its range
Our own track record · our detectors and alerts against NASA DONKI
Where the aurora's edge was · measured by ESA's Swarm satellites, against our reach lines
Each dot is one pass of a Swarm satellite over the auroral oval: how far from the pole its edge was, coloured by the storm level at the time. A dot on the dashed line of its own colour means our line was right.
Hover a dot for its values.
Solar wind at Earth
Measured by the spacecraft at L1, 1.5 million km towards the Sun, and shown when it reaches Earth (the bow shock), roughly an hour later by our propagation delay. The right end can be a little in the future: wind already measured and still on its way. Gaps are gaps in the data.
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Coupling to Earth's field · same range
Newell coupling (how strongly the solar wind drives Earth's magnetic field) and flow pressure, from the same solar wind.
Ionosphere at a place · last 7 days
TEC from CODE's hourly maps (final, else rapid) and the vertical GPS L1 delay it means for single-frequency receivers. Your location is only used for this query.
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