The phrase "warm atmosphere" refers to a pleasant and cozy environment where people feel comfortable and welcomed. It can describe a place or social setting that is friendly, inviting, and makes people feel good. Full definition
Communication is held in a relaxed warm atmosphere of the site making the members feel at ease. (onlinedatingcollection.com)
An example of a feedback is the way a carbon dioxide - rich warmer atmosphere holds more water vapour, which is in itself a greenhouse gas. (realclimate.org)
The hostel has undergone a renovation and offers comfortable, clean rooms with warm atmosphere. (budapestbylocals.com)