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Orphan Anvil - [Slang], an anvil from a dissipated thunderstorm, below which no other clouds remain.
ORPHAN ANVIL
An anvil from a dissipated thunderstorm, below which no other clouds remain.
Dry microbursts may develop in an otherwise fair-weather pattern; visible signs may include a cumulus cloud or small Cb with a high base and high-level virga, or perhaps only an orphan anvil from a dying rain shower.
a very strong updraft and a high severe weather potential.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Anvil, Anvil Dome, Anvil Rollover, CB, CBMAM, Cumuliform Anvil, Knuckles, Mushroom, Orphan Anvil, SPRD ...
 See also: Normal, Reflectivity, Weather, Circulation, Surface
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