Updraft 1 : A small scale current of air with vertical motion. If there is enough moisture, then it may condense, forming a cumulus cloud and possibly thunderstorms. The opposite of a downdraft
Natural and Environmental Disaster Information Exchange System European Commission NEDIES, Glossary of Hurricane Terms - Canada Geological Survey - Natural Resources, Directorate General Joint Research Centre DG JRC, Institute for the Protection and Security of the Citizen (IPSC), Varese, Italy 2011. http://www.ns.ec.gc.ca/weather/hurricane/hurricane s9.html, (ND/ Hurr Sci - Amer) {153}