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Browse Dept. of Atmospheric Sciences by Title
Now showing items 93-112 of 162
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(2015-04-30)A major uncertainty in weather and climate models lies in the effect of clouds and aerosols. The IPCC's Fifth Assessment Report states that while models include more cloud and aerosol processes, there is still low confidence ...
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North American monsoon precipitation and its precursors: processes at the seasonal and diurnal scale (2014-01-16)The Weather Research and Forecasting (WRF) model was run at 100~km, 25~km, and 10~km resolution for the 2000 and 2004 monsoon seasons (July-September), a dry year and a wet year. These years were chosen to represent ...
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(1989)In the past the best models of raindrop shapes were based on a perturbation form of Laplace's formula valid only for small amplitude distortion from the effect of an aerodynamic pressure around a sphere. In contrast, the ...
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(2012-02-01)The impacts of dry air on tropical cyclone formation are examined in the numerical model simulations of ex-Gaston (2010) and pre-Fay (2008). The former can be regarded as a non-developing system as it failed to redevelop ...
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(1996)The 10-11 June 1985 squall line system with trailing stratiform precipitation observed during the Oklahoma PRE-STORM project has been numerically simulated using the three-dimensional cloud resolving nonhydrostatic COMMAS ...
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(1990)One of the more spectacular and elusive events of nature is the tornado. Usually spawned by a highly organized, lasting, and rotating thunderstorm called a "supercell", tornadoes are one of the most destructive atmospheric ...
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(1995)Non-supercell tornado is a name given to a class of tornadoes which occur with deep moist convection not displaying the strong mid-level rotation found in supercell thunderstorms. In recent years the severe storms community ...
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(1985)Recent observational studies of winter storms over the Glamorgan Hills of south Wales (Browning et al., 1974, and Hill et al., 1981) have confirmed the importance of the seeder-feeder mechanism of orographic precipitation ...
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(1985)Two high-resolution, two-dimensional numerical models are developed and used to investigate the dynamics of thunderstorm outflows. The first model employs the set of unapproximated, inviscid, fully compressible hydrodynamical ...
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(1988)A two-dimensional, nonhydrostatic cloud model was used in attempts to numerically replicate the observed structure of a typical midlatitude squall line. The basic simulations described in this report were made using common ...
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(2017-09-01)Comparison between numerical simulations and observations is useful for improving understanding of weather phenomena, such as mesoscale convective systems (MCSs). The Bow Echo and Mesoscale Convective Experiment (BAMEX) ...
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(1988)The rapid development of a cyclone over Canada and a cold front over the United States were the major weather systems observed on 25-26 April 1979 during the period of SESAME-AVE (Severe Environment Storm and Mesoscale ...
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(2013-02-03)This study investigates cropland-atmosphere feedbacks in the Midwestern United States. Growing crops impact local climate during the growing season by influencing heat, moisture and momentum exchange between the land and ...
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(2014-01-16)Wind turbines have been shown to impact their local microclimate. With the increasing areal coverage of wind farms it has become increasingly important to answer scientific questions regarding these impacts. In this thesis, ...
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A Numerical Study of the Structure and Vertical Transport Properties of A Tropical Convective System (1983)Two- and three-dimensional numerical cloud ensembles models have been developed to study the collective response, statistical properties and formation of convective clouds. In the tropics, large-scale lifting is predominantly ...
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(2017-06-30)Knowledge of ice crystal particle size distributions (PSDs) is critical for parameterization schemes for atmospheric models and remote sensing retrieval schemes. In-situ observations are commonly used to obtain PSDs and ...
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(1997)The first part of the modeling study was to simulate summertime U.S. precipitation in response to prescribed North Pacific SST anomalies, related to Great Plains precipitation. Summer precipitation is enhanced throughout ...
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(2011-08-25)In this thesis, investigations on gravity waves are conducted in two regions of the middle atmosphere: the lower stratosphere using high-resolution radiosonde at South Pole and the mesopause region using OH airglow ...
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(1985)First GARP (Global Atmospheric Research Program) Global Experiment, Level III-b data and the outgoing longwave radiation data are used to investigate relationships between deep cloud activity and large-scale meteorological ...
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(1994)The goal of the present research was to investigate the low frequency modes of variability in the observed atmosphere and compare those to the counterpart modes in a Global Climate Model (GCM). As a means to accomplish ...
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Now showing items 93-112 of 162