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Idealized Life Cycles of Planetary-Scale Barotropic Waves in the Middle Atmosphere
Publisher: American Meteorological Society
Abstract: A nonlinear nondivergent barotropic model is used to investigate the mature and decay stages of waves arising from barotropic instability of planetary-scale eastward jets. Two simulations were carried out in weakly diffusive ...
Variations of the Moist Static Energy Budget of the Tropical Indian Ocean Atmospheric Boundary Layer
Publisher: American Meteorological Society
Abstract: AbstractThe atmospheric circulation depends on poorly understood interactions between the tropical atmospheric boundary layer (BL) and convection. The surface moist static energy (MSE) source (130 W m?2, of which 120 W m?2 ...
Fast Floating Temperature Sensor Measures SST, Not Wet-Bulb Temperature
Publisher: American Meteorological Society
High-Resolution Radio Acoustic Sounding System Observations and Analysis up to 20 km
Publisher: American Meteorological Society
Abstract: The first campaign-based measurements of virtual temperature in the upper-troposphere and lower-stratosphere (UTLS) region were made with the middle- and upper-atmosphere (MU) radar radio acoustic sounding system (RASS) ...
The Tropical Eastern Pacific Seasonal Cycle: Assessment of Errors and Mechanisms in IPCC AR4 Coupled Ocean–Atmosphere General Circulation Models
Publisher: American Meteorological Society
Abstract: Warmer SST and more rain in the Northern Hemisphere are observed year-round in the tropical eastern Pacific with southerly wind crossing the equator toward the atmospheric heating. The southerlies are minimal during boreal ...
Variability in the Southerly Flow into the Eastern Pacific ITCZ
Publisher: American Meteorological Society
Abstract: During boreal summer and fall, there is a strong southerly boundary layer flow across the equator into the east Pacific intertropical convergence zone (ITCZ). The modulation of this flow on synoptic to seasonal time scales ...
Cloud-Resolving Large-Eddy Simulation of Tropical Convective Development and Surface Fluxes
Publisher: American Meteorological Society
Abstract: loud-resolving large-eddy simulations (LES) on a 500 km ? 500 km periodic domain coupled to a thermodynamic ocean mixed layer are used to study the effect of large-scale moisture convergence M on the convective population ...
Effects of Atmospheric Stability on Wave and Energy Propagation in the Troposphere
Publisher: American Meteorological Society
Abstract: The very high frequency (VHF) middle and upper atmosphere radar radio acoustic sounding system (MU-RASS) in Shigaraki, Japan, is able to provide tropospheric virtual temperature data with high temporal resolution on the ...
Steady-State Kink Band Propagation in Layered Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Failure by steady-state kink band propagation in layered materials is analyzed using three substantially different models. A finite element model and an analytical model are developed and used together with a previously ...
Simulating Radiative Fluxes through Southeastern Pacific Stratocumulus Clouds during VOCALS-REx
Publisher: American Meteorological Society
Abstract: ABSTRACTTime series of solar and thermal infrared radiative flux profiles are simulated with the Rapid Radiative Transfer Model (RRTM) using a hierarchy of constraints from radar reflectivity and passive microwave cloud ...
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