Sentence:  Out of this background of hunting and fishing , it was only natural that Roy first painted subjects he knew best : hunters in the field , fishermen in the stream , ducks and geese on the wing - almost always against a vast backdrop of <WSD>weather</WSD> landscape . 
Meaning of the word marked with <WSD> tags:  the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation