Aerosol and Cloud Microphysical Characteristics of Rifts and Gradients in Maritime Stratocumulus Clouds. The relay of stratocumulus clouds brings rain, except when they turn into nimbostratus. Stratocumulus (Sc) - the name derives from the latin words stratus = flattened layer or spread out and cumulus = mass or heap. The last variation on stratus clouds is the stratocumulus cloud. Cloud adiabaticity (α) is defined as the ratio of the actual liquid water path (LWP measured) in a cloud to its corresponding adiabatic value (LWP ad).Processes such as drizzle and entrainment can lead to subadiabatic LWP measured.This study examines α and its relationship to microphysical properties for 86 cloud events over the Northeast Pacific Ocean based on data collected … Stratocumulus clouds are frequently observed over the eastern United States. 1. Abstract. A rift observed off the coast of California was investigated using an instrumented aircraft to compare the aerosol, cloud microphysical, and thermodynamic properties in the rift with those of the surrounding solid stratocumulus … 1Cloud rifts are characterized as a large-scale, persistent area of broken, low-reflectivity stratocumulus clouds usually surrounded by a solid deck of stratocumulus. “Fair Weather” Cumulus Location: Worldwide See also cloud classification. The only method that can be used to distinguish between these clouds is that stratocumulus will not appear as well defined, will tend to move more quickly. They’re a layer of puffy clouds, and can usually be found joined together, similar to altocumulus clouds. Meteorologists combine cloud characteristics and levels to get the ten main cloud types: High cloud - cirrus, cirrocumulus, cirrostratus. Marine stratocumulus clouds cover vast regions of the east-ern subtropical oceans and are a source of net cooling in the Earth’s radiation budget (Hartmann et al., 1992). These clouds cool the planet by reflecting solar radiation. A.L. Get a description of stratocumulus clouds, including pictures and images of various stratocumulus characteristics, their altitude levels, and more. 1. Evidence for Natural Variability in Marine Stratocumulus Cloud Properties Due to Cloud-Aerosol Interactions Bruce Albrecht1, Tarah Sharon1, Haf Jonsson2, Patrick Minnis3, J. Kirk Ayers4, Mandana M. Khaiyer5 1 MPO/RSMAS, University of Miami, Miami, Florida, 33149,USA 2Center for Interdisciplinary Remotely Piloted Aircraft Studies, Marina, California, 93933, USA Altocumulus Clouds (“Layers of bread rolls”) Fast Facts: Typical Altitude: 6,500-18,000 ft. PY - 2006/3. Other characteristics or structure; Low clouds (near surface to 2 km) Stratocumulus Rolls with or without spaces between Weak precipitation, if any: Stratus Fog-like appearance close to the ground May produce drizzle or very fine snow. Can produce rain but in small amounts. Fact 2: When clouds combine with the stratus cloud they either form Cirrostratus, Altostratus, Nimbostratus or Stratocumulus. 2. ... Stratocumulus Clouds Stratocumulus clouds are low, puffy and gray. They spread evenly across the sky, without forming a … Stratocumulus vary in color from dark gray to light gray and may appear as rounded … Sc clouds may or may not be accompanied by various types of precipitation that are representative of different macro- and microphysical characteristics. [10] The statistical characteristics (mean and variability) of the data set compare well to measured statistics of marine stratocumulus clouds from several campaigns and thus seem to be representative for marine stratocumulus clouds. Cirrostratus: is a thin sheet-like layer of cloud which is 18,000 feet above the ground. I - Structural characteristics The structural characteristics of stratocumulus cloud fields off the coast of southern California are investigated using Landsat Multispectral Scanner imagery. Stratocumulus. Learn About Altostratus Clouds: Mid-altitude Gray Layer Get a description of altostratus clouds, including pictures and images of various altostratus characteristics, their altitude levels, and more. Stratus Clouds Characteristics: •Can be at any altitude –stratus just means that they form a horizontal layer •They are often at low altitude in bad weather (nimbostratus) •Fog is a stratus cloud hugging the ground •They are formed by weak, but widespread vertical motion (~10 cm/s) •The are made of a moderate density of cloud drops , LWC~.1 g/m3 Consists of very cold grains of water to ice crystals when winter arrives. Vertical - cumulus, cumulonimbus. Weak convective currentscreate shallow cloud layers because of drier, stable air above preventing continued vertical development. Article by What's This Cloud Low Clouds Stratus, Stratocumulus, Nimbostratus: Ground to 2000 Meters: Water Droplets Middle Clouds Altostratus, Altocumulus 2000 -8000 Meters: Ice Crystals and Water Droplets High Clouds Cirrus, Cirrostratus, Cirrocumulus 6000 -18000 Meters: Ice Crystals Inclusion of rain droplets produced a larger change in d for the low- clouds as compared to the high- clouds. The coloring of these clouds can vary from gray to white depending on the sunlight angle. Historically, in English, this type of cloud has been referred t… They are the type of clouds that have holes, rows and spaces where blue skies can translucently or transparently be seen. Aerosol and Cloud Microphysical Characteristics of Rifts and Gradients in Maritime Stratocumulus Clouds TARAH M. SHARON,* BRUCE A. ALBRECHT,* HAFLIDI H. JONSSON, PATRICK MINNIS,# MANDANA M. KHAIYER,@ TIMOTHY M. VAN REKEN,& JOHN SEINFELD,** AND RICK FLAGAN** *Division of Meteorology and Physical Oceanography, Rosenstiel School of Marine and Atmospheric Science, … Forecast. Over the Arctic Ocean, little is known on cloud-generated buoyant overturning vertical motions within mixed-phase stratocumulus clouds. When viewed from underneath, stratocumulus have a dark, honeycomb appearance. Characteristics of Cumulus Clouds. Earth Science. Journal of The Atmospheric Sciences, 2006. Contrails are made by high-flying jet airplanes. Stratocumulus are one of the most common clouds in temperate regions of the world. Characteristics of such motions are important for understanding the diabatic processes associated with the vertical motions, the lifetime of the cloud layer and its micro- and macrophysical characteristics. Altocumulus vs. Stratocumulus. Altocumulus clouds are more closely related to stratocumulus clouds than they are to cumulus clouds. They share almost all of the same cloud species, cloud varieties, and other cloud features. Their altitude however differentiates them the most, with stratocumulus clouds being closer to the ground. Download Full PDF Package. T1 - Aerosol and cloud microphysical characteristics of rifts and gradients in maritime stratocumulus clouds. AU - Khaiyer, Mandana M. AU - van Reken, Timothy M. AU - Seinfeld, John. Stratocumulus are a low-altitude layer of lumpy clouds. How-ever, the theory based on thermodynamic analysis only is not characteristics of the marine stratocumulus to shallow cumulus transition over the southeast Pacific Ocean. This work aims at providing some turbulence … Stratocumulus also can be thought of as a layer of cloud … A stratocumulus cloud, occasionally called a cumulostratus, belongs to a genus-type of clouds characterized by large dark, rounded masses, usually in groups, lines, or waves, the individual elements being larger than those in altocumulus, and the whole being at a lower height, usually below 2,000 metres (6,600 ft).
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