high pressure systems cause clear weather
sea_level_pressure is not atmospheric_pressure. partly_cloudy_location is clear_weather. sunny_location is clear_weather. partly_cloudy_location is not clear_weather. bermuda_high is high_pressure_system. barometric_pressure is not atmospheric_pressure. storm is violent_weather. sea_level_pressure is atmospheric_pressure. barometric_pressure is atmospheric_pressure. good_weather is weather.