Magnetic Storm Time Variation

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Magnetic Storm Time Variation

(symbol 

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A nonperiodic variation determined from the onset of a magnetic storm. This variation is characterized by a rapid increase of the magnetic horizontal intensity above the normal value, remaining so for a few hours and then rapidly decreasing to below the normal value and remaining so for periods up to several days. The intensity then returns slowly to the normal value. </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use