magnetic bay

Alternative definitions (0), class: vernacular (0)
Term: magnetic bay

A relatively smooth excursion of the H (horizontal) component (see geomagnetic elements) of the geomagnetic field away from and returning to quiet levels. Bays are ”positive” if H increases and ”negative” if H decreases.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan