Extended geomagnetic storm forecast

This forecast is based on real-time solar wind and interplanetary magnetic field data,
provided by ACE spacecraft, which is located in L1 Sun-Earth libration point 1 500 000 km in front of Earth.

An extended geomagnetic storm forecast provides the expected geomagnetic storm magnitude for the next several hours
and is currently updated every hour.


File with the current forecast

Prediction technique

Forecast archive including yearly ASCII files and hourly plots

Acknowledgment. ACE RTSW data, Kp index and solar-geophysical forecast are contributed by the U.S. Department of Commerce, NOAA, Space Environment Center. Read also SEC disclaimer See our description of data sources for details. Real-time Dst is provided by WDC for Geomagnetism, Kyoto.