How to Read a METAR – Our Full Guide to Aviation Weather Reports
Pilot Institute
MARCH 19, 2025
When flying an airplane, you become a part of the air around you. The altimeter setting for the aerodrome is 29.93 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. inches of mercury.
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