I think is true for both books and screen. The writing in a film should be just as vivid and concise as any novel. You can see the rain on screen, but if the mood isn't there, if the characters aren't right, it's just rain. the sensation in writing
Brian's Writing Tip Write like you talk (Don't assume, however, that every person's natural, honest and real speech is the same as every other person's. Some of us really do use words such as "ubiquitous" in everyday conversation.