Making Cloud Observations
The app tutorial provides the information you need to make a cloud observation, but if you'd like more information or more practice, here is a selection of resources to familiarize yourself with the process of making observations with the GLOBE Observer Clouds tool.
Tips and Tricks Gallery
In this tutorial, you can explore the physics of contrail formation in the atmosphere and develop the ability to recognize the several types of contrails that form under varying atmospheric conditions. Practice classifying the type and abundance of contrails. (Requires Flash)
This interactive web-based tool asks a series of questions to help you narrow down the type of cloud you are observing. It can be used both for practice and in the field to identify clouds. (Requires Flash)