In December 2022, the FAA publishes Aviation Weather Handbook FAA-H-8083-28. This handbook replaces several weather-related advisory circulars. The following advisory circulars are being replaced and will eventually be cancelled.

AC 00-6 Aviation Weather
AC 00-24 Thunderstorms.
AC 00-30 Clear Air Turbulence Avoidance
AC 00-45 Aviation Weather Services
AC 00-54 Pilot Windshear Guide
AC 00-57 Hazardous Mountain Winds

This handbook conforms to pilot weather training and certification concepts established by the FAA. The discussion and explanations reflect the most commonly used weather products and information.