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CFI lesson plans to teach aviation lessons as a Certified Flight Instructor

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CENTER WEATHER ADVISORY

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An unscheduled weather advisory issued by Center Weather Service Unit meteorologists for ATC use to alert pilots of existing or anticipated adverse weather conditions within the next 2 hours. A CWA may modify or redefine a SIGMET.

Source FAA Pilot/Controller Glossary↗ · checked 2026-08-25

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