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This investigation will help you to:
- NWS JetStream, an Online School for Weather - National Weather Service
This is a comprehensive review of the basics behind the causes of weather. "The Atmosphere" section explains the physics of how warm air rises. - "Stability and Cloud Development" - Digital Atlas of Idaho
Reviews the mechanisms that cause air to rise. Includes a graphic that illustrates convective uplift, orographic uplift, frontal wedging, and convergence.
- Introduction to Thunderstorms - National Weather Service - NOAA
Defines and gives facts on thunderstorms, explains the conditions necessary for thunderstorm development, the stages of a thunderstorm, and types of thunderstorms.
- National Weather Service forecast office
- National Weather Association Local Chapters
Includes links to several local weather offices.