The solid line indicates the 850 mb pressure level, and points A and B are at the same altitude.

-Which of the following corresponds to low pressures observed on a constant height chart?

Question

The solid line indicates the 850 mb pressure level, and points A and B are at the same altitude.
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-Which of the following corresponds to low pressures observed on a constant height chart?

Quizplus · Accepted Answer

Low pressures observed on a constant height chart correspond to low heights on a constant pressure chart. This is because at locations where the pressure is lower at a given altitude (height), the air above it must also be less dense or have less mass, resulting in lower heights on a constant pressure chart.

The Solid Line Indicates the 850 Mb Pressure Level, and Points