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Cumulonimbus (from Latin cumulus 'swell' and nimbus 'cloud') is a dense, towering, vertical cloud, [1] typically forming from water vapor condensing in the lower troposphere that builds upward carried by powerful buoyant air currents.
A cumulonimbus incus is a mature thunderstorm cloud generating many dangerous elements. Lightning : this storm cloud is capable of producing bursts of cloud-to-ground lightning. Hail : hailstones may fall from this cloud if it is a highly unstable environment (which favours a more vigorous storm updraft ).
Cumulonimbus clouds September 19, 2023: Cumulonimbus clouds rise behind wind turbines in Big Spring, Texas. Towering, dense clouds with a flat, anvil-shaped top.
Cumulonimbus mamma (WMO genus and supplementary feature) – Cb with pouch-like protrusions that hang from under anvil or cloud base. Cumulonimbus pannus (WMO genus and accessory cloud) – shredded sections attached to main Cb cloud. Cumulonimbus pileus (WMO genus and accessory cloud) – capped, hood-shaped cloud above a cumulonimbus cloud.
Victor Fernandez/Europa Press via Getty Images At least 95 people have been killed in the worst flooding to hit Spain in decades. Flash floods are becoming more common and more intense due to ...
A shelf cloud is a low, horizontal, wedge-shaped arcus cloud attached to the base of the parent cloud, which is usually a thunderstorm cumulonimbus, but could form on any type of convective clouds. Rising air motion can often be seen in the leading (outer) part of the shelf cloud, while the underside can often appear as turbulent and wind-torn.
Cumulus congestus clouds compared against a cumulonimbus cloud in the background. Due to reflectivity, clouds cool the earth by around 12 °C (22 °F), an effect largely caused by stratocumulus clouds. However, at the same time, they heat the earth by around 7 °C (13 °F) by reflecting emitted radiation, an effect largely caused by cirrus clouds.
The massive storm clouds can be seen heading for landfall somewhere just south of Tampa, near Sarasota. The best view of Hurricane Milton may come from 250 miles above Earth. Milton, which is ...