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Cumuliform Anvil - A thunderstorm anvil with visual characteristics resembling cumulus-type clouds (rather than the more typical fibrous appearance associated with cirrus).
Hard, cumuliform anvil overhang, a vertical Cb edge, and flanking line are all visible in this southeastward view of a supercell storm. Mammatus can be seen on the underside of the north Texas supercell.
See also cumuliform anvil and anvil rollover.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Anvil, Anvil Dome, Anvil Rollover, Back-sheared Anvil, CB, CBMAM, Cumuliform Anvil, Mushroom, Orphan Anvil, SPRD ...
Anvil Rollover - A circular or semicircular lip of clouds along the underside of the upwind part of a back-sheared anvil, indicating rapid expansion of the anvil. See cumuliform anvil, knuckles, mushroom.
They usually appear on the upwind side of a back-sheared anvil, and indicate rapid expansion of the anvil due to the presence of a very strong updraft. They are not mammatus clouds. See also cumuliform anvil, anvil rollover.
See also cumuliform anvil and anvil rollover.Kp IndexA 3-hourly planetary geomagnetic index of activity generated in Gottingen, Germany, ...
 See also: Cumuliform, Clouds, Cloud, Anvil, Storm
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