# Browse Dept. of Atmospheric Sciences by Title

• (1993)
We are interested in establishing how the instability properties of the background circulation might be related to the observed intraseasonal variability. We focus on the intraseasonal variability in two Northern Hemispheric ...

application/pdf

PDF (7MB)
• (2015-07-06)
Recent field observations suggest that cloud-top precipitation generating cells (GCs) are ubiquitous in the warm-frontal and comma-head regions of midlatitude winter cyclones. The presence of fall streaks emanating from ...

application/pdf

PDF (29MB)
• (1992)
The following problems: (1) The effects of wave transience on the propagation of planetary waves in the stratosphere; (2) The coupling of the equatorial and extratropical quasi-biennial oscillations; and (3) The propagation ...

application/pdf

PDF (6MB)
• (1994)
The main objective of this study is to explore the dynamics of storm tracks in the context of a three-layer hemispheric linear-balanced model. We establish first how the instability properties of the relevant background ...

application/pdf

PDF (10MB)
• (1980)
The importance of gust fronts in triggering new storm development is widely recognized. A three-dimensional numerical cloud model developed by Klemp and Wilhelmson is used to study the relationship of new convection to ...

application/pdf

PDF (5MB)
• (1998)
The dynamical effects of diabatic heating in Northern Hemisphere winter storm tracks are studied in the context of a nonlinear primitive equation model with vertical and horizontal resolution adequate to capture shallow, ...

application/pdf

PDF (7MB)
• (2015-12-11)
This study examines the role that buoyancy and vertical wind shear play in modulating the relationship between storm interactions and storm severity. Using an idealized numerical model, 240 supercell interactions are ...

application/pdf

PDF (2MB)
• (1994)
A coupled ice-ocean model of the Arctic Ocean and adjacent seas is developed in order to study the effects of anomalies of precipitation and river runoff on sea ice. A dynamic-thermodynamic sea ice model is coupled to an ...

application/pdf

PDF (5MB)
• (2012-09-18)
Lightning in the comma-head region of winter cyclones is a relatively rare phenomenon. The nature of the electric charging in wintertime precipitation bands is unknown. During the ProfiLing Of Winter Storms (PLOWS) project, ...

application/pdf

PDF (9MB)
• (2012-09-18)
ABSTRACT The Saharan air layer (SAL) is a warm, dry, dusty layer of air that resides over the tropical Atlantic Ocean. While some studies have found that the SAL may indirectly promote tropical cyclone (TC) development, ...

application/pdf

PDF (3MB)
• (2010-01-06)
The distribution of sources and sinks of carbon over the land surface is dominated by changes in land use such as deforestation, reforestation, and agricultural management. Despite, the importance of land-use change in ...

application/pdf

PDF (3MB)
• (2011-01-14)
This study examines the biases in cloud fraction (CF) derived from satellite instruments that are due to the effect of sensor spatial resolution. In total, 1405 15 m resolution ASTER (Advanced Spaceborne Thermal Emission ...

application/pdf

PDF (2MB)
• (2017-07-17)
Unlike other transportation sectors where pollutant emissions usually occur only near the Earth’s surface, aviation emissions happen primarily at altitudes of 8-12 km above the surface, impacting the upper troposphere and ...

application/pdf

PDF (4MB)
• (1989)
The evolution of atmospheric baroclinic waves is investigated by a six-layer forced dissipative quasi-geostrophic $\beta$-plane channel model. In the control run, the model has: (i) a realistic zonal thermal forcing, (ii) ...

application/pdf

PDF (4MB)
• (2009)
In the second part of this thesis, a comprehensive model of terrestrial nitrogen (N) dynamics is developed and coupled with the geographically explicit terrestrial C cycle model of ISAM. Observations from the Long-term ...

application/pdf

PDF (3MB)
• (2012-02-06)
Methods of retrieving vertical motions in wintertime cyclones are tested for the 915 MHz profiler, a profiling radar on the University of Alabama-Huntsville Mobile Integrated Profiling System, used during several winter ...

application/pdf

PDF (3MB)
• (2016-12-07)
The semi-arid Salt and Verde River basins in Arizona depend, in part, on Atmospheric River (AR)-related precipitation for meeting the water demands of the Phoenix metropolitan area. On the other hand, the region is also ...

application/pdf

PDF (3MB)
• (1993)
The characteristics and causes of raindrop oscillations were studied from two field experiments in Hawaiian and Illinois showers. The former experiment (HaRP) focused on the onset of raindrop oscillations as well as ...

application/pdf

PDF (7MB)
• (2003)
Finally, the generalized model is scrutinized in terms of its normal, adjoint, optimal and singular modes. It is found that the modes of the empirically modified model are more stable than the ones of the barotropic model. ...

application/pdf

PDF (6MB)
• (1988)
The genesis and evolution of easterly waves over the Atlantic Ocean are investigated with a moist multi-level quasi-geostrophic model. The origin of African waves is first re-examined as a linear instability problem of a ...

application/pdf

PDF (9MB)