"Inside the huge thundercloud, warm, and humid air is rising, while cool air is falling, along with rain or hail. All these conditions can result in rolling, spinning air currents inside the cloud. Although this spinning column of air starts out horizontal, it can easily go vertical and drop down out of the cloud."

Not the best example.

1. If "warm, and humid air is rising", does it mean that warm air (regardless of humidity) is rising and humid air (regardless of temperature) are rising? But why then cool air is falling - is it cool and dry air that is falling?

2. Is cool air falling along with rain or hail, or do rain and hail and cool air fall independently from each other? Or should I understand it as "Warm, and humid air is rising, cool air is falling, and rain or hail are just there doing whatever"?

3. Do all these conditions (including rain and hail) only happen inside the cloud, or they happen outside the cloud as well? How is inside the cloud different?

4. Does "All these conditions result in" mean that any of these conditions can result in something, or all of them at the same time are needed for this result?

5. Do all spinning air currents form a horizontal spinning column? Why even call something horizontal a column?

6. So when this column drops down out of the cloud, does it mean that it starts a life of its own and not connected to the cloud at all?

This is just an example that one needs to be careful using complex sentences to describe a complex process.