"clear circumstances" is correct and usable in written English.
You can use it when you want to describe a situation that is well-defined and unproblematic. For example, "The employee resigned under clear circumstances: her job performance had been subpar for months."
"But the whole thing went bang, and now we're having new elections and now we need clear circumstances".
Since January 2010, agents have killed at least 15 people, including a 16-year-old, along the border with Mexico, sometimes during confrontations set off by rock-throwing and other assaults, other times under less clear circumstances.
Those shootings — sometimes during confrontations that began with assaults on agents, other times under less clear circumstances — have bolstered criticism of agents and customs officers who operate along the United States-Mexico border.
I set this out, following the Kosovo war, in a speech in Chicago in 1999, where I called for a doctrine of international community, where in certain clear circumstances, we do intervene, even though we are not directly threatened.
With clearest circumstance: who is this youth?
This amnesic symptom will eventually clear when circumstances change.
As the popular post "Comfortable with Discomfort" makes clear, difficult circumstances and emotions are part of living a happy life.
Examination of the differences in organization, culture, and practices in these five companies makes clear the circumstances under which enterprise can flourish.
"It's clear that circumstances have changed too much for the July 21 agreement to work at this point," said the person, who spoke on condition of anonymity because the talks were continuing.
However, while this works well among developed countries, the situation is less clear in circumstances involving asymmetrical trade relations (Schneider 2005).
