what is a nimbus cloud?
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No such thing.\nNimbus is a name you use with a cloud type.\nIt means it's a 'rain cloud' version of the cloud in reference.\nE.G. Cumulonimbus is a Cumulus cloud with precipitation.\nA Nimbostratus cloud is a Stratus (high altitude sheet-like cloud) with precipitation. (usually hail)
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When the formation of Nimbosratus cloud is complete because its is the one that bring rainfall.
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A cloud compsition is primarlly just billions of drops of water or ice.  When such a cloud formation has an influx of water/ice, ie it's mass increases to include more water/ice, light finds it hard to pass through the mass, thus making it darker for us to see.\n\nIn a normal cloud, light can pass through the water/ice within the cloud and we see it as a distorted white/bluish/greyish/greenish hue.  But when the cloud is too thick with water/ice, the light doesn't pass through so easily and we see a darker spectrum.
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The answer is Cirrus Clouds.\n\nA cirrus cloud is a type of cloud composed of ice crystals and characterized by thin, wisplike strands, often accompanied by tufts. Sometimes these wispy clouds are so extensive that they are virtually indistinguishable from one another, forming a veil or sheet called "cirrostratus". Sometimes convection at high altitudes produces another form of cirrus called "cirrocumulus" a pattern of small cloud tufts. The name "cirrus" is derived from a Latin word meaning "wisp of hair."\n\nMany cirrus clouds produce hairlike filaments made of the heavier ice crystals that precipitate from them. These "fall streaks", a form of virga, often indicate the difference in the motion of air (wind shear) between the upper part of the cirrus cloud and the air below it. Sometimes the top of the cirrus cloud is moving rapidly above a slower layer of air, or the streak is falling into a faster moving lower layer. The directions of these winds can also vary.\n\nCirrus usually form at altitudes above 5000 meters (16,000 feet). The fall streaks may appear straight when wind shear is absent, giving the clouds the appearance of a comma (cirrus uncinus), or tangled, an indication of high-level turbulence. The falling ice crystals evaporate before reaching the ground.\n\nCirrus clouds contribute both to the atmosphere's greenhouse effect and to the earth's albedo (the amount of sunlight the earth reflects); consequently it has not been determined for certain whether the net effect of cirrus clouds is to warm or cool the earth. Much of the difficulty lies in modelling the albedo effect of clouds composed of various size and shape crystals. Older models tended to underestimate the albedo effect of cirrus. Refinements of these models will improve climate predictions.\n\nIf there are many cirrus clouds in the sky it may be a sign that a frontal system or upper air disturbance is approaching. Cirrus clouds can also be the remnants of a thunderstorm. A large shield of cirrus and cirrostratus typically accompanies the high altitude outflow of hurricanes/typhoons. Cirrus clouds have been observed to develop after the persistent formation of condensation trails from aircraft. The effects of condensation trails on cirrus cloud enhancement is an increasingly prominent part of the discussion about aviation and climate change.\n\nCirrus and Aviation Cirrus (- Smog, see: Contrail) filter the sunlight, thus altering the quality and diminishing the quantity of the Sun's radiation that reaches the surface of Earth.
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1. Nimbus (rain cloud)\n\n2. Cirus (whispy thin clouds)\n\n3. Stratus (flat clouds)
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Yes. See the cloud types shown here --- http://www.ccrc.sr.unh.edu/~stm/AS/Weather_Toolbox/Cloud_Classification.html\n\nAltostratus is about half-way down the page
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cloudtop avg. temp 55K  \n Surface temp. min mean max \n59 K/ 68 K/ N/A K
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Lighting can travel ground to cloud, cloud to ground or cloud to cloud
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In 1896 the International Cloud Atlas was published.  It listed 10 diferent kinds of clouds.  Cloud #9 was cumulo-nimbus, which is the highest type of cloud there is.\n\nHope this helps :-)
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Clouds are made up of water vapour which rise into the air by the heat of the sun. They stay at a height where the sun has just enough effect to keep them up.
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It's business middleware:\n\nhttp://searchsap.techtarget.com/gDefinition/0,294236,sid21_gci765096,00.html
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clouds make fricton and it makes static electricity i think?
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A cloud is a visible body of very fine water droplets or ice particles suspended in the atmosphere at altitudes ranging up to several miles above sea level.
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There are three main cloud types.\n\nCumulus clouds are the puffy clouds that look like puffs of cotton. Cumulus clouds that do not get very tall are indicators of fair weather. If they do grow tall, they can turn into thunderstorms. The bottom of cumulus clouds are fairly close to the ground.\n\nStratus clouds look like flat sheets of clouds. These clouds can mean an overcast day or steady rain. They may stay in one place for several days.\n\nCirrus clouds are high feathery clouds. They are up so high they are actually made up of ice particles. They are indicators of fair weather when they are scattered in a clear blue sky.\n\nNimbus is another word associated with clouds. Adding "nimbus" means precipitation is falling from the cloud.\n\nCumulonimbus clouds are the "thunderheads" that can be seen on a warm summer day and can bring strong winds, hail, and rain.\n\nNimbostratus clouds will bring a long steady rain.
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Try google.com, go to images, and search "nimrod, surface"
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A cumulonimbus cloud forms in rising air (updraft).  The air cools as it rises, and at a certain point the water vapor in the air condenses into water droplets, forming a cloud.  Around a large Cb there is often downdraft - the air gets warmer as it subsides, and any water droplets (=clouds) will evaporate.
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Hi there...Not sure if this is what you are looking for, but here's a Mac application that is called cloud.lic.io.us: http://www.messinglink.com/?p=20