This research guide is a starting point for research into the management of global disasters. It supports Pitt classes and workshops like - Building Community Resilience to Global Hazards, as well as the Hazard SEES Team members and their research.
A tornado is a narrow, violently rotating column of air that extends from the base of a thunderstorm to the ground. Because wind is invisible, it is hard to see a tornado unless it forms a condensation funnel made up of water droplets, dust and debris. Tornadoes are the most violent of all atmospheric storms. [From NOAA's National Severe Storms Laboratory website]
Education outreach from U.S. federal agencies on tornado emergency preparedness: