5 Terms
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Meteorology
A database of terms pertaining to the scientific study of the atmosphere.
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Meteorology
parhelic circle
Weather; Meteorology
A halo in the form of a faint, white, horizontal arc at the elevation of the sun. Small segments are more frequently seen than the complete circle. When caused by the moon, it is called the ...
paranthelion
Weather; Meteorology
A halo in the form of a faint spot at the same angular elevation as the sun, but located in the vicinity of the anthelion (a point at the same elevation as the sun but on the opposite side of the ...
subsun
Weather; Meteorology
A halo in the form of a bright white spot as far below the horizon as the sun is above it. The subsun is explained by reflection by the horizontal faces of oriented ice crystals (e.g., large ...
pentad
Weather; Meteorology
A group of five. In climatology, it is applied to a period of five consecutive days. It is often preferred to the week for climatological purposes since it is an exact factor of the 365-day year.
staggered grid
Weather; Meteorology
A grid on which all of the variables are not predicted at all of the points but rather are interspersed at alternate points. Grids using certain types of staggering, such as between mass and the ...
quantile
Weather; Meteorology
A generic term for any fraction that divides a collection of observations arranged in order of magnitude into two specific parts. Thus, the upper quartile is the quantile that separates the upper ...
solitary wave
Weather; Meteorology
A gravity wave consisting of a single elevation of finite amplitude that propagates without change of form. First described in 1844 by Scott Russell in a British Association Report, its existence is ...
