Like the deadly tornadoes it documents, this potent combination of high adventure and hard science is terrifyingly timely in our era of global warming and climate change. The Weather Channel, now America's most watched programming, has in recent years shown us a relentless series of hurricanes, tsunamis, earthquakes, and eruptions killing thousands, turning millions into refugees, and leaving whole cities in shocked, shattered ruins. Of nature's weapons, tornadoes are among the most unforg...