Title: Describe a constant pressure analysis chart.
Course: Aircraft Pilot Training II (20053-II) > Section: Examining Atmospheric and Meteorological Conditions

Description should include the following:

- A constant pressure chart (also called an isobaric chart) is a weather map representing conditions on a surface of equal atmospheric pressure.
- Constant pressure charts usually contain plotted data and analyses of the distribution of height of the surface (contours), wind (isotachs), temperature (isotherms), and sometimes humidity (isohumes).

Retrieved from https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_00-6B.pdf

PLT283