How to make a setting for a story? - Example

Place
London bridge in 1920s england.

Time
January 1925

Weather conditions
stormy and frightening

Social conditions
The hero is an everyday boy in 1920 where the cameras had weird flashes, the women wore bodices and modest clothing. The boy is to save the people from a severe injury or death from a swinging bridge from breaking. A typical 1920s society. Involving all people of different social status, the poor being kind and sharing and the rich being Selfish, average people are just being average.

Mood or atmosphere
The start is dark and frightening as there is a storm starting to erupt, and can potentially kill many.