Thunder and lightning

I went outside,
I sat there and cried.
Watching the sky,
As it to seemed to cry.

It seemed mad,
And sad.
The rain fell,
It seemed to dwell.

The thunder sounded,
The lightning struck!
I sat there watching,
With tears in my eyes.

The sound the thunder mad was loud,
It’s sounded so proud!
The lightning like fire,
It is not a liar!

It’s trying to make a point,
Not disappoint!
But what’s it saying?
Why is it angry?