Theses and Dissertations - Department of Atmospheric Science
Recent Submissions
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Characteristics and organization of precipitating features during NAME 2004 and their relationship to environmental conditions
The focus of this study is to examine the characteristics of convective precipitating features (PFs) during the 2004 North American Monsoon Experiment (NAME) and their precursor environmental conditions. The goal is to ... -
Response of MCSs and low-frequency gravity waves to vertical wind shear and nocturnal thermodynamic environments
Low-frequency gravity waves have been found to both increase and decrease environmental favorability ahead of mesoscale convective systems (MCSs) based on their associated vertical motions. The strength and timing of these ... -
Fire and ice: analyzing ice nucleating particle emissions from western U.S. wildfires
Wildfires in the western U.S. can have impacts on health and air quality and are forecasted to increase in the future. Some of the particles released from wildfires can affect cloud formation through serving as ice nucleating ... -
Consistency in the AMSR-E snow products: groundwork for a coupled snowfall and SWE algorithm
Snow is an important wintertime property because it is a source of freshwater, regulates land-atmosphere exchanges, and increases the surface albedo of snow-covered regions. Unfortunately, in-situ observations of both ... -
Midlatitude prediction skill following QBO-MJO activity on subseasonal to seasonal timescales
The Madden-Julian Oscillation (MJO) is known to force extratropical weather days-to-weeks following an MJO event through excitation of Rossby waves, also known as tropical-extratropical teleconnections. Prior research has ... -
Characteristics of linear mesoscale convective systems during DYNAMO
Mesoscale convective systems (MCSs) have long been known to play a large part in the vertical transport of horizontal momentum. They also contribute to the vertical redistribution of heat and radiative forcing. The Madden ... -
Changes in winter storm characteristics and lake-effect snow in convection-permitting regional climate simulations in the U.S.
Lake-effect snowfall events have extreme regional impacts with some of the largest snowfall totals on record. Previous studies hypothesize that in a future climate, less ice coverage will be present over the Great Lakes ... -
Madden Julian oscillation and tropical-extratropical teleconnections, The
The Madden Julian Oscillation (MJO) excites strong variations in extratropical circulations that have important implications for subseasonal-to-seasonal (S2S) prediction. In particular, certain MJO phases are characterized ... -
Planning for an unknown future: incorporating meteorological uncertainty into predictions of the impact of fires and dust on US particulate matter
Exposure to particulate matter (PM) pollution has well documented health impacts and is regulated by the United States (U.S.) Environmental Protection Agency (EPA). In the U.S. wildfire smoke and wind-blown dust are ... -
Interactions between the Madden-Julian oscillation and mesoscale to global scale phenomena
The Madden-Julian Oscillation (MJO) influences and interacts with atmospheric phenomena across the globe, from the tropics to the poles. In this two-part study, the interactions of the MJO with other phenomena across a ... -
On the observed and simulated responses of the extratropical atmosphere to surface thermal forcing
The ocean is an integral part of the climate system, and its closely-coupled interactions with the atmosphere system have wide-ranging impacts on the large-scale and local patterns of climate and weather variability from ... -
Connections between climate sensitivity and large-scale extratropical dynamics
The response of the extratropical storm tracks to anthropogenic forcing is one of the most important but poorly understood aspects of climate change. The direct, thermodynamic effects of climate change are relatively well ... -
Characteristics of hailstorms and enso-induced extreme storm variability in subtropical South America
Convection in subtropical South America is known to be among the strongest anywhere in the world. Severe weather produced from these storms, including hail, strong winds, tornadoes, and flash flooding, causes significant ... -
Approaching Arctic-midlatitude dynamics from a two-way feedback perspective
Arctic variability and the variability of the midlatitude circulation are closely intertwined. Although these connections are interrelated and bi-directional, and occur on a variety of timescales, they are not often studied ... -
Insights into extreme short-term precipitation associated with supercells and mesovortices
Overall, this manuscript aims to holistically evaluate the relationship between rotation and extreme precipitation processes, since radar and rain-gauge observations in several flash flooding events have suggested that the ... -
Intraseasonal variability in the diurnal cycle of precipitation in the Philippines
Precipitation in the region surrounding the South China Sea (SCS) over land and coastal waters exhibits a strong diurnal cycle associated with a land-sea temperature contrast that drives a sea-breeze circulation. The boreal ... -
Impact of the Boreal Summer Intraseasonal Oscillation on the diurnal cycle of precipitation in the island of Luzon
The Asian Summer Monsoon (ASM) is a major component of the global weather system with impacts on multiple scales. Driven by the thermal contrast between the Asian continent and the Indian and Pacific Oceans, the monsoon ... -
Aerosol parameterizations in space-based near-infrared retrievals of carbon dioxide
The scattering effects of clouds and aerosols are one of the primary sources of error when making space-based measurements of carbon dioxide. This work describes multiple investigations into optimizing how aerosols are ... -
Atmospheric and air quality implications of C2-C5 alkane emissions from the oil and gas sector
Emissions of C2-C5 alkanes from the U.S. oil and gas sector have changed rapidly over the last decade. This dissertation quantifies the role of the oil and gas sector on light alkane emissions and abundances at local, ... -
Productivity and phenology in a process-driven carbon cycle model
The carbon cycle is a major source of uncertainty in predicting future climate, especially with regard to changes in the terrestrial biosphere. One obstacle in predicting the sources and sinks of the carbon cycle is ...
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