One-hour geomagnetic 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. The one-hour lead time is simply due to solar wind propagation from L1 to Earth.


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automatically updating every 5 min

Solar wind monitoring data and forecast

Acknowledgment. ACE RTSW data, Kp index and solar-geophysical forecast are contributed by the U.S. Department of Commerce, NOAA, Space Environment Center. See our description of data sources for details.
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FTP log file