lenticular cloud


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lenticular cloud

[len′tik·yə·lər ′klau̇d]
(meteorology)
References in periodicals archive ?
The Moon can be seen in a bright crescent phase, illuminating an edge of the lower lenticular cloud, while the molten lava from the volcano gives the scene a vibrant red glow.
As Central Weather Bureau (CWB) officials recognized, the phenomenon is completely natural, and known as a lenticular cloud. Lenticular clouds form when air fronts of differing temperatures meet and generate a circular current.
Later that afternoon, a gigantic lenticular cloud formed where we encountered this turbulence, but there was nothing to signify it when we flew through.
Earthly images include pictures of the northern lights, a rare lenticular cloud over Hawaii, and sunrise over Mount Kilimanjaro.
There is a big lenticular cloud over the top of Makalu which has appeared from nowhere.
An occasional lenticular cloud left us seeing more than the usual rabbit and dog shapes in the pillowy vapor above, And when we got bored we'd raid the record stack and spin disks across the sky (Captain & Tennille, we hardly knew ye!), often photographing them to see whom we could fool.
A lenticular cloud formed over Duved in the AaAaAeAare municipality Thursda inspiring social media jokes, scientific discussion and a lighthearted debate about whether extraterrestrials were trying to join skiiers on the slopes. 
Nevertheless, clouds do take the form of what sci-fi fans normally call a "UFO." These clouds, called "(https://www.ibtimes.com/ufo-captured-flying-over-tennessee-ufo-enthusiast-explains-mysterious-sighting-2790352) lenticular clouds ," look like huge discs that resemble what the movies portray as alien spaceships.
But lenticular clouds of the type supposedly seen at Gallipoli have frequently been mistaken for UFOs.
Lenticular clouds, as they are called, are formed when stable moist air flows over mountains.
Though a roll cloud may not be seen, strong chinooks are often accompanied by spectacular multiple-layered standing lenticular clouds ("altocumulus standing lenticular" or ACSL) and a chinook arch, a broad mid-level altocumulus or cirrus cloud extending leeward from the mountains.
Above this drier air layer, there is reasonably responsive air as one will have seen when cloud towers reach these levels and lenticular clouds form as a cap on the upthrusting cumulus head.