a cloud is a visible hydrometeor formed by the accumulation of

daylight landscape sunny wallpaper vivid texture scenic atmosphere sun ozone clean open clouds pattern stratosphere natural clear abstract outdoors wind freedom cloudy scene view meteorology climate outdoor cloud fluffy environment light space cumulus beauty summer beautiful high nature background day cloudscape color bright air white weather sky heaven sunlight blue visible hydrometeor formed accumulation ice crystals microscopic water droplets suspended result condensation vapor