An arcus cloud is a low, horizontal cloud formation, usually appearing as an accessory cloud to a cumulonimbus. Roll clouds and shelf clouds are the two...

Virga: precipitation that evaporates before reaching the ground. Arcus cloud (shelf cloud) leading a thunderstorm A cap (pileus) atop a congestus Incus with...

Look up arcus in Wiktionary, the free dictionary. Arcus may refer to: ARCUS, the Arctic Research Consortium of the United States, supporting Arctic policy...

ground. Cloud-based supplementary features Mamma Downward facing bubble-like protuberances caused by localized downdrafts within the cloud. Arcus (including...

inside a single thundercloud (intra-cloud), between two clouds (cloud-to-cloud), or between a cloud and the ground (cloud-to-ground), in which case it is...

significantly better chance of sighting the cloud. A Morning Glory cloud is a roll cloud, or arcus cloud, that can be up to 1,000 kilometres (620 mi)...

millimetres (2.0 in) per hour for longer rainfalls. The associated convective cloud can extend up to a height of 15 kilometres (9.3 mi) above the ground. During...

of water, usually appearing as a funnel-shaped cloud in contact with the water and a cumuliform cloud. There are two types of waterspout, each formed...

shredded clouds that normally appear beneath the parent cumulus cloud during precipitation. Cumulus arcus clouds have a gust front, and cumulus tuba clouds have...

Cloud cover (also known as cloudiness, cloudage, or cloud amount) refers to the fraction of the sky obscured by clouds on average when observed from a...