Meteorology is the study of weather patterns in the atmosphere, with the intention of predicting changes in the local climate.
Mainstream Smurfs Media
In mainstream Smurfs media, two Smurfs are known to be students of meteorology: Weather in the comic books and Tracker in the cartoon show. Weather's ability to predict weather, however, is based on the gag of whether his pet frog goes up a ladder or goes down it, usually with the result not being what he says it's going to be. Tracker's ability to predict the weather is based on his sense of smell and his detection of wind changes.
Empath: The Luckiest Smurf stories
Tracker in the EMPATH: The Luckiest Smurf story series is the chief student of meteorology who uses his enhanced senses and his knowledge of nature to predict changing weather patterns around the Smurf Forest.