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Scale Selection in Locally Forced Convective Fields and the Initiation of Deep Cumulus
Publisher: American Meteorological Society
Abstract: Deep cumulus dynamics has often been treated as an initial value problem where the long time effect of surface energy fluxes are neglected. Initiation is often assumed to follow from a strong localized deformation of the ...
Frictional Dissipation in a Precipitating Atmosphere
Publisher: American Meteorological Society
Abstract: The frictional dissipation in the shear zone surrounding falling hydrometeors is estimated to be 2?4 W m?2 in the Tropics. A numerical model of radiative?convective equilibrium with resolved three-dimensional moist convection ...
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Publisher: American Meteorological Society
Remote Sensing of Hail with a Dual Linear Polarization Radar
Publisher: American Meteorological Society
Abstract: A technique for the remote sensing of hail with an S-band dual linear polarization radar is described. The method employs a new hail signal HDR, which is derived from disdrometer measurements of raindrop size distributions. ...
African Easterly Waves and Convection. Part I: Linear Simulations
Publisher: American Meteorological Society
Abstract: A linearized version of a nonhydrostatic model is used to study the normal-mode selection and the structure of the African easterly waves in dry and moist environments associated with an idealized African easterly jet ...
Tracer Conservation with an Explicit Free Surface Method for z-Coordinate Ocean Models
Publisher: American Meteorological Society
Abstract: This paper details a free surface method using an explicit time stepping scheme for use in z-coordinate ocean models. One key property that makes the method especially suitable for climate simulations is its very stable ...
Mechanisms for the Mesoscale Organization of Tropical Cloud Clusters in GATE Phase III. Part I. Shallow Cloud Bands
Publisher: American Meteorological Society
Abstract: Mesoscale cloud clusters are a frequently observed feature of the tropical atmosphere and are primarily responsible for the observed large-scale vertical mass flux. Given that the forcing for such convection comes from ...
Initialization of an ENSO Forecast System Using a Parallelized Ensemble Filter
Publisher: American Meteorological Society
Abstract: As a first step toward coupled ocean?atmosphere data assimilation, a parallelized ensemble filter is implemented in a new stochastic hybrid coupled model. The model consists of a global version of the GFDL Modular Ocean ...
Documenting Climate Models and Their Simulations
Publisher: American Meteorological Society
Abstract: ts of climate models are of increasing and widespread importance. No longer is climate model output of sole interest to climate scientists and researchers in the climate change impacts and adaptation fields. Now nonspecialists ...
A Global Repository for Planet-Sized Experiments and Observations
Publisher: American Meteorological Society
Abstract: orking across U.S. federal agencies, international agencies, and multiple worldwide data centers, and spanning seven international network organizations, the Earth System Grid Federation (ESGF) allows users to access, ...