prevailing westerlies are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude
westerlies is not west_wind. prevailing_wind is blowing. prevailing_westerly is not west_wind. prevailing_westerly is west_wind. westerlies is not prevailing_wind. westerlies is west_wind. westerlies is prevailing_wind. antitrades is prevailing_wind. prevailing_wind is wind. easterlies is prevailing_wind.