"ominous atmosphere" is correct and usable in written English. This phrase is often used to describe a feeling of dread or foreboding, and can be used in a variety of contexts. For example, you could write, "The sky darkened and an ominous atmosphere filled the room as the storm approached.".
Its bleak, ominous atmosphere derives from its central character.
Mr. Bauer said this was intended to create "an ominous atmosphere" to discourage people from voting.
Each place they visit, including the man's childhood home, has an ominous atmosphere.
But Mr Mitchell's attempt to salvage last year's deal begins in an ominous atmosphere.
He's been on sabbatical since then, due to a bereavement, but his long-awaited third film, The Woman In The Fifth, shows that he's lost none of his genius for conjuring up ominous atmospheres, not to mention locations so seedy that they make you itch.
I mention that the story reminds me of a Hitchcock film: multiple twists and reveals, the suspenseful IV drip of information Yates doles out to the reader with a master hand, the shadowy yet intense secrets locked inside the characters while they struggle to maintain composure, the ominous atmospheres of Oxford and New York -- so seemingly opposite but equally threatening..
The ominous, oppressive atmosphere that makes Lorca's play so much more than a potboiler is mostly missing in inaction.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK