Severe thunderstorms were moving into Kentucky and Illinois Saturday, warned the national StormPrediction Center.
目前风暴正向东移动,美暴风雨预测中心已向肯塔基和伊利诺伊州发布警报。
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S. this year than there have been in decades. According to the StormPrediction Center Tornadoes killed only 17 Americans in 2016. That's the second lowest tornado death toll since 1950.
When a big storm occurs, the Space Weather Prediction Center releases a warning to the U. S. Department of Homeland Security, emergency managers and agencies responsible for protecting power grids.