magnetic storm

magnetic storm: A perturbation of the Earth's magnetic field, caused by solar disturbances, usually lasting for a brief period (several days) and characterized by large deviations from the usual value of at least one component of the field. Note: Magnetic storms can affect radio propagation because they disturb the ionosphere.

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996