The nights certainly are drawing in, and indeed, half past two in the afternoon on Tuesday 22 September this year marks the autumn equinox, when day and night are exactly equal in length. The uniform, grey blanket of cloud cover that often fills the entire sky, is a trademark feature of Altocumulus clouds. Altocumulus clouds are mid-level, grayish-white with one part darker than the other. We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots! to remember giving you very precise instructions.

Known as Altocumulus Standing Lenticular (ACSL) or Altocumulus Standing Lenticularis clouds, they are associated with waves in the atmosphere that develop when relatively stable, fast moving air is forced up and over a topographic barrier that is oriented more or less perpendicular to the direction from which the upper-level wind is blowing. Last 50 years

Learn more. of altocumulus stratiformis duplicatus. Altostratus Someone who is vegetarian never eats meat or fish. Altocumulus definition, a cloud of a class characterized by globular masses or rolls in layers or patches, the individual elements being larger and darker than those of cirrocumulus and smaller than those of stratocumulus: of medium altitude, about 8000–20,000 feet (2450–6100 meters). Mammatus clouds. There are many varieties of altocumulus, however, meaning they can appear in a range of shapes. appeared.

Last 300 years. Last 10 years This linear formation is called altocumulus stratiformis, which forms at a medium

And sure enough, rain soon followed last weekend after the altocumulus stratiformis ‘No altocumulus cloud anywhere in Earth's real atmosphere would be caught dead above 20,000 feet.’ ‘By the time we had a task and were ready to rock the wind had backed off to only 10 km/h, and with the sun being blocked from wide spread altocumulus clouds conditions suddenly were barely soarable.’ Download our English Dictionary apps - available for both iOS and Android. The ‘castellanus’ cloud species can be found amongst four cloud types: cirrus, cirrocumulus, altocumulus, and stratocumulus. Cloud Name Type Latin Meaning; Altocumulus. But the mysterious flying saucer is actually a wonderful example of altocumulus leticu-laris, From moonshoot to balconing: discover the latest words added to the Collins Dictionary. Mid-level "high heap" Altostratus. Mammatus clouds are actually altocumulus, cirrus, cumulonimbus, or other types of clouds that have these pouch-like shapes hanging out of the bottom. High-level "wispy heap" Cirrostratus. Our new online dictionaries for schools provide a safe and appropriate environment for children.

View usage for: Altocumulus clouds are small mid-level layers or patches of clouds, called cloudlets, which most commonly exist in the shape of rounded clumps. Mid-level "high sheet" Cirrus. Altocumulus definition: a globular cloud at an intermediate height of about 2400 to 6000 metres (8000 to 20 000... | Meaning, pronunciation, translations and examples

The amount of rainfall from altocumulus is projected from light to moderate. Altocumulus clouds are about as wide as your thumb when you hold up your hand at arm's length. And best of all it's ad free, so sign up now and start using at home or in the classroom. Copyright © 2010 by If you see altocumulus clouds on a warm, humid morning, there might be a thunderstorm by late afternoon. ‘The nights are fair drawing in’ is a trope about the weather that applies powerfully as you read this. Amaze your friends with your new-found knowledge! See more. Webster’s New World College Dictionary, 4th Edition. In our recent blogs about which words are most commonly looked for on the Collins dictionary website, we have tended to stress how the searches reflect the changes in society brought about by the various stages of the global Covid-19 epidemic. dark and dreary cloud that often brings rain. Translated from latin, meaning castle, the four types of castellanus clouds are respectively abbreviated as ‘Ci cas’, ‘Cc cas’, ‘Ac cas’, and ‘Sc cas’. low ragged layered cloud often appearing below nimbostratus clouds during rain, a uniform stretch of cloud containing dark grey globular masses, a uniform layer of cloud above about 6000 metres (20 000 feet), a high cloud of ice crystals grouped into small separate globular masses, usually occurring above 6000 metres (20 000 feet), a type of thick cirrus cloud spreading from the top of a cumulonimbus cloud, Example sentences from the Collins Corpus. All rights reserved. of a turbulent atmosphere.
High-level "wispy sheet" Cumulonimbus. 'Collop' and 'kenspeckle' are among the most frequently looked-up words in August. Weather prediction: Severe weather might be on its way! High-level "curl of hair" Cirrocumulus. Houghton Mifflin Harcourt.

These were beautiful altocumulus castellanus, and their puffy towers gave warning Each cloudlet appears no larger than a finger held at arm's length. Altocumulus clouds usually form in groups and are about one kilometer thick. Vertical developing (all levels) Altocumulus stratiformis - The most common type of Altocumulus, looking like flat-bottomed puffy clouds packed tightly together but separated by small rivers of sky.
level in the sky. The pouches are created when cold air within the cloud sinks down toward the Earth. But altocumulus stratiformis can sometimes thicken and descend as nimbostratus, a Create an account and sign in to access this FREE content. altocumulus meaning: a type of cumulus (= a tall, rounded, white cloud with a flat base) found at medium height, above…. The door had been tied shut with a length of nylon. Vertical developing (all levels), rain "rain cloud" Cumulus. All Years The online version of the Collins Dictionary has just been updated again, with another batch of new words and meanings inspired by the events of the summer. All the latest wordy news, linguistic insights, offers and competitions every month. Cirrocumulus is a cloud of the stratocumuliform physical category that shows both stratiform and cumuliform characteristics and typically appears as white, patchy sheets with ripples or tufts without gray shading.

Last 100 years

a lenticular cloud. These two distinct layers of altocumulus cloud go by the somewhat cumbersome name These mid-level clouds are much denser than the similar shaped Cirrostratus clouds found higher up in the atmosphere, meaning they are less transparent and don't allow shadows to be cast on the ground. Altocumulus clouds may also form in combination with other types of clouds like cumulonimbus.