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NSSL vehicles on Project VORTEX, equipped with surface measurement equipment.
Verification of the Origins of Rotation in Tornadoes Experiment or VORTEX, is a field project that seeks to understand how a tornado is produced by deploying around 18 vehicles that are equipped with customized instruments used to measure and analyze the weather around a tornado. The project has also stated that it is interested in why some supercells produce tornadoes while others do not. It also concerned itself with why some supercells form violent tornadoes versus weak tornadoes. The original project took place in 1994 and 1995, and another project was run in 1999.
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VORTEX2 is a planned second VORTEX project for 2009-2010. In 2009, the First Field Phase (5 weeks: 11 May - 15 June 2009) will take place. In 2010, the Second Field Phase (resources permitting, 4-5 weeks: May/June 2010) will take place. Just like the first project, this one will also study why some thunderstorms produce tornadoes while others don't, to improve the understanding of this. The difference is, this project will study the wind damage between violent and weak tornadoes rather than the formation. A new goal was set in attempt to improve warning before a tornado strikes by improving tornado forecasting.
