Genus cumulus: Moderate vertical List of cloud types
cumulus mediocris (v-61) above cumulus mediocris (v-61) pileus cumulus mediocris (v-61) arcus abbreviation: cu moderate vertical cumulus product of free convective airmass instability. continued upward growth suggests showers later in day. species cumulus mediocris (v-61) moderate vertical clouds flat medium grey bases , higher tops cumulus humilis. opacity-based varieties none (always opaque) pattern-based variety cumulus mediocris radiatus (v-62)(v-60) moderate cumulus clouds arranged in parallel lines appear converge @ horizon. precipitation-based supplementary features virga accompanied precipitation evaporates before reaching ground. praecipitatio produces precipitation reaches ground. cloud-based supplementary feature mamma downward facing bubble-like protuberances caused localized downdrafts within cloud. accessory clouds pileus small cap-like cloud on parent cumulus cloud. velum a thin horizontal sheet forms around middle of cumulus cloud. mother clouds genitus , mutatus types ...