isobaric map

isobaric map

[¦i·sə¦bär·ik ′map]
(meteorology)
A map depicting points in the atmosphere of equal barometric pressure.
References in periodicals archive ?
Todd's office took to heart the recommendation of the Conference to draw isobaric maps. They produced their first documented attempt at a map with isobars within days of the Conference session.
Maps of equipotential topography of the sea surface resemble the isobaric maps used in weather forecasting, and should be read in basically the same way: They show pressure differences and the directions of the movements of the masses of water, and may vary with the reference surface used.