What kind of storm is always in a rush?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I have eight fingers and two thumbs but I do not live. What Am I?

Can you start the fire using two pieces of wood?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you find the missing piece of the Porsche?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

10+10 and 11+11 can give you the same answer.

Explain how?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title