How to Read a METAR – Our Full Guide to Aviation Weather Reports
Pilot Institute
MARCH 19, 2025
As a good general rule, the smaller the difference between the outside air temperature (OAT), and the dew point, the more likely it is that a cloud will form, and the lower its base will be. These descriptors add further detailed information, designed to present a fuller picture. Why is it important in a METAR?
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