'suddenly' as a transition word

AnonymousSuddenly, a deep thundering noise fills the atmosphere.Does this work?Yes, it's fine.

AnonymousSuddenly, a deep thundering noise fills the atmosphere.

Does this work?

Yes, it works. And it is much more effective here than if you had placed it just before the verb. That is one of the reasons for using the adverb as a transition word.

Hi,

Suddenly, a deep thundering noise fills the atmosphere.

Here's a minor comment. Fills the atmosphere is not an idiomatic expression.

More common and normal would be Suddenly, a deep thundering noise fills the air.

Be

Yes it is. I don’t want to be too descriptive because this is what the question asks.