Journal of the Atmospheric Sciences: Recent submissions
Now showing items 821-840 of 13215
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Convective Coupling in Tropical-Depression-Type Waves. Part I: Rainfall Characteristics and Moisture Structure
(American Meteorological Society, 2020)Tropical-depression (TD)-type waves are synoptic-scale disturbances embedded with deep convection over the western North Pacific. Studies of these disturbances began over six decades ago; however, some properties of these ... -
Idealized high-resolution simulations of a back-building convective system that causes torrential rain
(American Meteorological Society, 2020)Record-breaking precipitation due to a back-building convective system occurred in Kyushu Island, Japan, on 5 July 2017. In this paper, a quasi-stationary back-building convective system is reproduced using a regional ... -
Mechanisms for the Dipolar Patterns of Rainfall Variability over Large Islands in the Maritime Continent Associated with the Madden–Julian Oscillation
(American Meteorological Society, 2020)Before the eastward-propagating rainy envelope of a Madden–Julian oscillation (MJO) arrives at the Maritime Continent (MC), some islands in the MC experience dipolar patterns of rainfall variability with opposite signs of ... -
How Do Ocean Warm Anomalies Favor the Aggregation of Deep Convective Clouds?
(American Meteorological Society, 2020)We investigate the role of a warm sea surface temperature (SST) anomaly (hot spot of typically 3 to 5 K) on the aggregation of convection using cloud-resolving simulations in a nonrotating framework. It is well known that ... -
Vertical Modes and Effective Stability of Quasi-2-Day Waves
(American Meteorological Society, 2019)AbstractA quasi-2-day wave is known as a convectively coupled westward inertia?gravity (WIG) wave with a shallower equivalent depth (or slower phase speed) than the dry counterpart. This study investigates the relationship ... -
On the Covariability of Cloud and Rain Water as a Function of Length Scale
(American Meteorological Society, 2019)AbstractMicrophysics parameterizations in large-scale models often account for subgrid variability in the calculation of process rates by integrating over assumed subgrid distributions of the input variables. The variances ... -
Oriented Ice Crystals: A Single-Scattering Property Database for Applications to Lidar and Optical Phenomenon Simulations
(American Meteorological Society, 2019)AbstractA database (TAMUoic2019) of the scattering, absorption, and polarization properties of horizontally oriented hexagonal plates (HOPs) and horizontally oriented hexagonal columns (HOCs) at three wavelengths (355, ... -
Evolution of the Warm-Core Structure during the Eyewall Replacement Cycle in a Numerically Simulated Tropical Cyclone
(American Meteorological Society, 2019)AbstractThis study examines the evolution of the warm-core structure during the secondary eyewall formation (SEF) and the subsequent eyewall replacement cycle (ERC) in a numerically simulated tropical cyclone (TC) under ... -
Reply to “Comments on ‘Is Condensation-Induced Atmospheric Dynamics a New Theory of the Origin of the Winds?’”
(American Meteorological Society, 2019)AbstractWe respond here to Makarieva et al.?s critique of Jaramillo et al., who showed that the concept of condensation-induced atmospheric dynamics (CIAD) violates Newton?s third law. We confirm here that their analysis ... -
Noninstantaneous Wave-CISK for the Interaction between Convective Heating and Low-Level Moisture Convergence in the Tropics
(American Meteorological Society, 2019)AbstractThe interaction between tropical convective heating and thermally forced circulation is investigated using a global dry primitive-equation model with the parameterization of wave-conditional instability of the ... -
Dynamical Aquaplanet Experiments with Uniform Thermal Forcing: System Dynamics and Implications for Tropical Cyclone Genesis and Size
(American Meteorological Society, 2019)AbstractExisting hypotheses for the dynamical dependence of tropical cyclone genesis and size on latitude depend principally on the Coriolis parameter f. These hypotheses are tested via dynamical aquaplanet experiments ... -
Axisymmetric Potential Vorticity Evolution of Hurricane Patricia (2015)
(American Meteorological Society, 2019)AbstractOperational numerical models failed to predict the record-setting rapid intensification and rapid overwater weakening of Hurricane Patricia (2015) in the eastern North Pacific basin, resulting in large intensity ... -
Relationship between Tropical and Extratropical Diabatic Heating and Their Impact on Stationary–Transient Wave Interference
(American Meteorological Society, 2019)AbstractDuring boreal winter, the climatological stationary wave plays a key role in the poleward transport of heat in mid- and high latitudes. Latent heating is an important driver of boreal-winter stationary waves. In ... -
Entrapment: An Important Mechanism to Explain the Shortwave 3D Radiative Effect of Clouds
(American Meteorological Society, 2019)AbstractSeveral mechanisms have previously been proposed to explain differences between the shortwave reflectance of realistic cloud scenes computed using the 1D independent column approximation (ICA) and 3D solutions of ... -
Balanced and Radiating Wave Responses to Diurnal Heating in Tropical Cyclone–Like Vortices Using a Linear Nonhydrostatic Model
(American Meteorological Society, 2019)AbstractThe diurnal cycle (DC) in the cirrus canopy of tropical cyclones (TCs) is a well-documented phenomenon. While early studies linked the DC in the area of the cirrus canopy to a DC in the strength of eyewall convection, ... -
Comments on “Is Condensation-Induced Atmospheric Dynamics a New Theory of the Origin of the Winds?”
(American Meteorological Society, 2019)AbstractHere we respond to Jaramillo et al.?s recent critique of condensation-induced atmospheric dynamics (CIAD). We show that CIAD is consistent with Newton?s laws while Jaramillo et al.?s analysis is invalid. To address ... -
Dry and Semidry Tropical Cyclones
(American Meteorological Society, 2019)AbstractIt is widely believed that tropical cyclones are an intrinsically moist phenomenon, requiring evaporation and latent heat release in cumulus convection. Recent numerical modeling by Mrowiec et al., however, challenged ... -
Cellular Statistical Models of Broken Cloud Fields. Part IV: Effects of Pixel Size on Idealized Satellite Observations
(American Meteorological Society, 2019)AbstractIn the fourth part of our ?Cellular Statistical Models of Broken Cloud Fields? series we use the binary Markov processes framework for quantitative investigation of the effects of low resolution of idealized satellite ... -
Limits on the Extent of the Solsticial Hadley Cell: The Role of Planetary Rotation
(American Meteorological Society, 2019)AbstractThe role of planetary rotation in limiting the extent of the cross-equatorial solsticial Hadley cell (SHC) is investigated using idealized simulations with an aquaplanet general circulation model run under ... -
Potential Vorticity Diagnostics to Quantify Effects of Latent Heating in Extratropical Cyclones. Part II: Application to Idealized Climate Change Simulations
(American Meteorological Society, 2019)AbstractIt is still debated how enhanced cloud-condensational latent heating (LH) in a warmer and moister climate may affect the dynamics of extratropical cyclones. In this study, a diagnostic method that explicitly ...