def wind_speed(self, lat, lon): print "Finding wind_u..." u = self.value(default_level_map()['wind_u'], lat, lon) v = self.value(default_level_map()['wind_v'], lat, lon) return np.sqrt(u*u + v*v)
def snow(self, lat, lon): return self.value(default_level_map()['snow'], lat, lon)
def temperature(self, lat, lon): return self.value(default_level_map()['air_temp'], lat, lon)