Isallobar



[ahy-sal-uh-bahr] /aɪˈsæl əˌbɑr/

noun, Meteorology.
1.
a line on a weather map or chart connecting points having equal pressure changes.
/aɪˈsæləˌbɑː/
noun
1.
(meteorol) a line on a map running through places experiencing equal pressure changes
isallobar
(ī-sāl’ə-bär’)
A line on a weather map connecting places having equal changes in atmospheric pressure within a given period of time. Isallobars measure pressure tendency, a value that describes both the difference in barometric pressure at the beginning and end of a given time period as well as the pattern—falling, rising, or steady—of pressure change.

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