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Doppler on Wheels Rolls Into Tornados

Forecasters now are able to predict bad weather better than ever with a modern set of tools, including satellite data, high altitude balloons, radar stations and computer models. But for tornados, the false alarm rate has hovered about 75 percent for decades. As VOA’s Rosanne Skirble reports, a team of scientists at the Center for Severe Weather Research in Boulder, Colorado is working to improve forecasts by studying how monster storms form.