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

Description should include the following:

- A weather-depiction chart details surface conditions as derived from METAR and other surface observations.
- The weather depiction chart is prepared and transmitted by computer every 3 hours beginning at 0100 Zulu time, and is valid at the time of the plotted data.
- It is designed to be used for flight planning by giving an overall picture of the weather across the United States.

PLT289