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Latest Clouds Stories

e98f41cabf2c446657f5c92447ecc4261
2008-12-08 14:43:59

Research at the Delft University of Technology (The Netherlands) has led to better understanding of clouds, the unknown quantity in current climate models. Delft researcher Thijs Heus has tackled this issue with a combination of detailed computer simulations and airplane measurements. He charted data including cloud speed, temperature and the 'life span' of clouds to arrive at new observations. Interaction The behavior of clouds is the great unknown quantity in current climate models. To make...

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2008-11-13 14:28:46

The Naval Research Laboratory's Spatial Heterodyne Imager for Mesospheric Radicals (SHIMMER) has successfully observed a second northern season of Polar Mesospheric Clouds (PMCs), which are the Earth's highest clouds. This successful observation fulfills the primary goal of the Space Test Program Satellite-1 (STPSat-1) Extended Mission. SHIMMER was originally launched as the primary payload of STPSat-1 on March 8, 2007, with the objective to demonstrate the novel optical technique of Spatial...

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2008-10-23 15:15:00

Scientists are hoping to discover new information on how clouds over the Pacific Ocean can affect the global climate and weather systems. The clouds, some greater than the size of the US, refract sunlight back into space and chill the ocean below. The researchers expect to learn about the clouds' properties and if pollution from activities could alter the arrangement of these cloud systems. The study will engage 200 scientists from 10 countries in the research. An additional team of 20...

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2008-05-30 08:50:00

As ESA's Venus Express orbits our sister planet, new images of the cloud structure of one of the most enigmatic atmospheres of the Solar System reveal brand-new details. Venus is covered by a thick layer of clouds that extends between 45 and 70 km above the surface. These rapidly-moving clouds are mainly composed of micron-sized droplets of sulphuric acid and other aerosols (fine solid or liquid droplets suspended in a gas), the origin of which is unknown. Earlier missions have shown that...

5d576b6e8b0e07da186af8fb22e6187e1
2004-12-24 08:30:58

NASA -- A NASA study found some clouds that form on tiny haze particles are not cooling the Earth as much as previously thought. These findings have implications for the ability to predict changes in climate.Andrew Ackerman, a scientist at NASA Ames Research Center, located in California's Silicon Valley, and his colleagues found, when the air over clouds is dry, polluted clouds hold less water and reflect less solar energy. Ackerman is the study's principal author.Contrary to expectations,...


Latest Clouds Reference Libraries

Weather Reference Library
2012-07-17 22:18:38

Evaluating one way of how clouds can form. To understand this method it’s important to understand a few terms. The first one is Cloud Condensation Nuclei. The CCN can consist of anything from dust, dirt, salt anything that is floating in the air. The second thing is moisture. There must be moisture present in the atmosphere to condense on the CCN to form a droplet. Next step to the process is what is known as collision and coalescence. This is the process of many CCN’s running...

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Word of the Day
jument
  • A beast of burden; also, a beast in general.
'Jument' ultimately comes from the Latin 'jugum,' yoke.
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