ClassFlow
Class Flow: Frontal Depressions
[Free Registration/Login Required] A flipchart showing the separate stages of a frontal depression with reference to the weather charts that plot them, diagrams of the air masses that are moved around in them, and also of the cloud...
Other
Physical geography.net: Introduction to the Atmosphere
A very detailed description of air masses, how they move and interact, and what weather takes place when this happens.
TeachEngineering
Teach Engineering: Stormy Skies
Students learn that wind and storms can form at the boundaries of interacting high and low pressure air masses. They learn the distinguishing features of the four main types of weather fronts (warm fronts, cold fronts, stationary fronts...
University of Illinois
University of Illinois Urbana Champaign: Surface Features to Consider When Forecasting
This site looks at the important surface features to consider when making a forecast. High pressure and atmospheric pressure is explained. Be sure to use the arrows at the bottom to navigate through this site.
University Corporation for Atmospheric Research
Ucar: What a Blizzard Needs
Learn the three ingredients that make a large snowstorm or blizzard.
Oklahoma Mesonet
University of Oklahoma: Overview of Meteorology
The University of Oklahoma explores numerous types of weather and atmospheric changes, as well as the reasons behind them. Content details the four seasons, common meteorological variables, the vertical structure of the atmosphere, how...
Tramline
Tramline: Tornado Field Trip
In this virtual field trip students learn about the formation of tornadoes. Students also visit websites where they can research various types of information about tornadoes.
University of Illinois
University of Illinois Urbana Champaign: Effects of Cloud Cover on Forecasting
This site explores the "factors to consider when forecasting day and nightime temperatures," and how cloud cover will effect these predictions.
Idaho State University
Global Wind Systems [Pdf]
A great description of the global scale circulation and heat energy. Discusses a single-cell model, a three-cell model, jet streams and more.