Aurora Nowcast

Two hours from the solar wind already measured, three nights from the Sun.

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Next two hours

Solar wind measured 1.5 million km upstream arrives here in 30 to 90 minutes. Beyond that the forecast widens.

Solar wind driving and activity, last 6 hours and next 2 hours
Where the oval's equatorward edge sits relative to you
Substorm activity at the Finnish IMAGE magnetometers

NOAA OVATION aurora forecast, northern hemisphere

Table view of the two-hour forecast

Next three nights

Kp forecasts from NOAA and GFZ, CME arrivals from NASA's DONKI runs, stream timing from WSA-Enlil.

Forecast Kp, 3-hour bins, with your visibility thresholds
WSA-Enlil predicted solar wind speed at Earth