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Five things you need to know about tornadoes
Roger Wakimoto, NSF Assistant Director for Geosciences, in the field conducting tornado research.
Credit: UCAR
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A large wall cloud arcs around a rotating thunderstorm updraft. This storm was documented by the VORTEX2 field campaign on June 6, 2010 near Ogallala, Nebraska.
Credit: Roger Wakimoto
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Doppler on Wheels, or DOW, can go where no man--or woman--has gone before, or should.
Credit: Josh Wurman, CSWR
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Vortex-2 scientists trailed this Wyoming twister during their spring 2009 expedition.
Credit: Josh Wurman, CSWR
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Don't try this at home: Researchers study tornadoes from a safe distance.
Credit: Josh Wurman, CSWR
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Image of a strong tornado near Arab, Alabama, part of the outbreak on April 27, 2011.
Credit: Charles Whisenant
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