Sentence:  Thus in a context in which there has been discussion of snow but mention of local conditions is <WSD>new</WSD> , dominant stress will probably be on here in it rarely snows here , but in a context in which there has been discussion of local weather but no mention of snow , dominant stress will probably be on snows . 
Meaning of the word marked with <WSD> tags:  not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered