VORTEX2, which stands for Verification of the Origins of Rotation in Tornadoes Experiment2, is the largest field experiment to investigate tornadoes. The project s first field phase ended on Saturday, and will resume again next spring. I joined the scientific armada for one eventful week, during which several supercell thunderstorms were intercepted, including one tornado in Goshen County, Wyoming. That tornado was the most observed tornado in history, considering the scientific platforms that were deployed around it, and the fact that it was broadcast live nationally on The Weather Channel.

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