Become an eyewitness to the world's weather – from heatwaves and

droughts to blizzards and floods.

Why does it rain? How hot is a bolt of lightning? What makes hurricanes form? Become a meteorology expert, set up a home weather station, and learn to read nature's signs of changing weather.

成为世界天气的见证者，如热浪、干旱、暴风雪和洪水。

为什么会下雨？一道闪电的温度是多少？是什么形成了飓风？成为一名气象学专家，建立一个家庭气象站，并学会阅读大自然的天气变化迹象。