Isallobar

From Glossary of Meteorology
(Redirected from Katallobar)



isallobar

A line of equal change in atmospheric pressure during a specified time interval; an isopleth of pressure tendency.

A common form is drawn for the three-hourly local pressure tendencies on a synoptic surface chart. Positive and negative isallobars are sometimes referred to as anallobars and katallobars, respectively.


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