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 main types of arcus clouds.

Jan 22, 2025 · Arcus clouds are known to create spectacular cloud formations. We look at what they are, how they form & the different types of arcus clouds.

Arcus clouds are low-level, wide ranging clouds typically associated with powerful storm clouds and thunderstorms.

Arcus About Arcus Storm chasers tend to have an abundance of arcus in their collections, for this formation, also known as a shelf cloud, is rather like the front bumper, or fender, of a storm …

Jul 3, 2025 · Arcus clouds are dramatic, low-level, horizontal cloud formations that often appear as a dense, shelf-like or roll-like structure along the leading edge of thunderstorm outflows or …

Shelf cloud seen over Enschede, The Netherlands, July 2004. Source: Wikicommons Roll Cloud A roll cloud (Cloud Atlas name volutus) is a low, horizontal, tube-shaped, and relatively rare …

Learn about the arcus cloud feature (shelf clouds), including pictures and images of their various characteristics, how to identify them, and more.

Aug 5, 2025 · Arcus clouds are low, horizontal, cloud formations that appear as accessory clouds—usually forming along the leading edge of a thunderstorm or along a cold/warm front.

A dense, horizontal roll with more or less tattered edges, situated on the lower front part of certain clouds and having, when extensive, the appearance of a dark, menacing arch.

arcus cloud According to cloud map classification, cumulonimbus arcus is a cumulonimbus-type storm cloud with the distinctive characteristic of having an arc-shaped base. Even cumulus …