Bad_Weather_to_end_HF2006

WASHINGTON (AP) ? As the world warms, the United States will face more severe thunderstorms with deadly lightning, damaging hail and the potential for tornadoes, a trailblazing study by NASA scientists suggests. While other research has warned of broad weather changes on a large scale, like more extreme hurricanes and droughts, the new study predicts even smaller events like thunderstorms will be more dangerous because of global warming.