The phrase "atmosphere is set" is correct and usable in written English.
It can be used to describe a situation where the mood or environment has been established, often in a narrative or descriptive context.
Example: "As the sun began to set and the music played softly, the atmosphere is set for a perfect evening under the stars."
Alternatives: "mood is established" or "environment is created".
The week-long talks follow the release last week of fresh data from the Scripps Institution of Oceanography in San Diego that suggests for the first time in human history concentrations of carbon dioxide in the atmosphere are set to rise above 400 parts per million (ppm) for sustained lengths of time from next month.
The atmosphere was set to 2% CO2.
Beyond looks and atmosphere, Mirchi is set apart because it is somewhat of a joint venture among several longtime Indian restaurateurs, including Satish Sehgal, the owner of Indian Oven, and Vijay Gupta, the owner of Mughlai and Bay Leaf in Midtown Manhattan, who are involved as consultants.
The atmosphere value of the density is set to (10^{-16}~M_{odot 10^{-16}~M_{odot almost 13 orders of magnitude smaller than the maximum value.
Initially, the velocity of the atmosphere outside of the torus is set to zero in the Eulerian frame, with density and gas pressure set to very small values of (rho=rho_{min} r_{mathrm{BL}}^{-3/2}), (p=p_{min} r_{mathrm{BL}}^{-5/2}) with (rho_{min}=10^{-5}) and (p_{min}=10^{-7}).
In contrast, the parameter ρ depicting atmosphere density under high-altitude environment is set to 0.6 times of the plain area atmosphere density.
It is set in the atmosphere of fear and uncertainty endemic to the Russian court after Peter the Great's death in 1725.
While Drive is set in the present day, it carries a heavy 1980s atmosphere that is cautiously set from beginning to end and is underlined not only by the vehicles or music and clothes, but also by its architecture.
With a similar hothouse atmosphere – it's set in New Orleans – it too deals with freedom and repression.
