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RISVertical Velocity Statistics in Fair-Weather Cumuli at the ARM TWP Nauru Climate Research Facility
Publisher: American Meteorological Society
Abstract: Fair-weather cumuli are fundamental in regulating the vertical structure of water vapor and entropy in the lowest 2?3 km of the earth?s atmosphere over vast areas of the oceans. In this study, a long record of profiling ...
The Turbulence Structure in a Continental Stratocumulus Cloud from Millimeter-Wavelength Radar Observations
Publisher: American Meteorological Society
Abstract: The turbulent-scale vertical velocity structure in a continental stratocumulus cloud is studied using a 3-mm wavelength Doppler radar operating in a vertically pointing mode. The radar observations provided 30-m sampling ...
Climatology of High Cloud Dynamics Using Profiling ARM Doppler Radar Observations
Publisher: American Meteorological Society
Abstract: ce cloud properties are influenced by cloud-scale vertical air motion. Dynamical properties of ice clouds can be determined via Doppler measurements from ground-based, profiling cloud radars. Here, the decomposition of the ...
Error Analysis of a Conceptual Cloud Doppler Stereoradar with Polarization Diversity for Better Understanding Space Applications
Publisher: American Meteorological Society
Abstract: n error budget analysis is performed for retrieval of along-track winds based on the design of a spaceborne Doppler radar using polarization diversity. The analysis is conducted within the framework of a case study of an ...
On the Controls of Daytime Precipitation in the Amazonian Dry Season
Publisher: American Meteorological Society
Abstract: he Amazon plays an important role in the global energy and hydrological budgets. The precipitation during the dry season (June?September) plays a critical role in maintaining the extent of the rain forest. The deployment ...
Separating Cloud and Drizzle Radar Moments during Precipitation Onset Using Doppler Spectra
Publisher: American Meteorological Society
Abstract: he retrieval of cloud, drizzle, and turbulence parameters using radar Doppler spectra is challenged by the convolution of microphysical and dynamical influences and the overall uncertainty introduced by turbulence. A new ...
First Observations of Tracking Clouds Using Scanning ARM Cloud Radars
Publisher: American Meteorological Society
Abstract: racking clouds using scanning cloud radars can help to document the temporal evolution of cloud properties well before large-drop formation (weather radar ?first echo?). These measurements also complement cloud and ...
High-Resolution Observations of Mammatus in Tropical Anvils
Publisher: American Meteorological Society
Abstract: Unprecedented high-resolution observations of mammatus from a profiling 94-GHz Doppler radar during the NASA Cirrus Regional Study of Tropical Anvils and Cirrus Layers?Florida Area Cirrus Experiment (CRYSTAL?FACE) are ...
On the Challenges of Tomography Retrievals of a 2D Water Vapor Field Using Ground-Based Microwave Radiometers: An Observation System Simulation Experiment
Publisher: American Meteorological Society
Abstract: wo-dimensional water vapor fields were retrieved by simulated measurements from multiple ground-based microwave radiometers using a tomographic approach. The goal of this paper was to investigate how the various aspects ...
Polarization Diversity for Millimeter Spaceborne Doppler Radars: An Answer for Observing Deep Convection?
Publisher: American Meteorological Society
Abstract: paceborne Doppler radars have the potential to provide key missing observations of convective vertical air motions especially over the tropical oceans. Such measurements can improve understanding of the role of tropical ...