National Geographic: Worst Weather Ever (2015)

The weather is getting wilder and weirder by the day. Monsoons wash away entire towns, giant hailstones kill people and destroy crops, record-breaking heatwaves trigger fires across entire countries and the last decade has seen historic hurricane and tornado seasons that even storm chasers aren t prepared for. Scientists know the world is getting warmer. Now they must discover what effect it is having on our weather. Are tornados getting more powerful? Are hurricanes happening more often? And how can more heat actually mean colder winters?