An internet course for General Aviation, Commercial, and Military Pilots
and all those responsible for conducting safe aviation

This course was developed by the National Weather Association's Aviation Weather Committee, and placed in the public domain.

All of the material from the National Weather Association's course is reproduced here, with minimal editing.
The material is also available directly from the National Weather Association's web site:
Lesson 1: Basic Thunderstorm Meteorology and Terms
Lesson 2: HowTthunderstorms Impact Aviation and Operations
Lesson 3: Avoiding Thunderstorms in the Terminal Area
Lesson 4: Avoiding Enroute Thunderstorms
Lesson 5: Windshear and Microbursts
Lesson 6: Thunderstorms and Aviation Accidents
Links to related sites
Online Meteorology Guides (University of Illinois)
NOAA Severe Storms Laboratory
University of Wisconsin Internet Course on Weather